2 * linux/arch/alpha/kernel/err_marvel.c
4 * Copyright (C) 2001 Jeff Wiedemeier (Compaq Computer Corporation)
8 #include <linux/init.h>
10 #include <linux/sched.h>
13 #include <asm/console.h>
14 #include <asm/core_marvel.h>
15 #include <asm/hwrpb.h>
17 #include <asm/err_common.h>
18 #include <asm/err_ev7.h>
24 marvel_print_680_frame(struct ev7_lf_subpackets *lf_subpackets)
26 #ifdef CONFIG_VERBOSE_MCHECK
27 struct ev7_pal_environmental_subpacket *env;
28 struct { int type; char *name; } ev_packets[] = {
29 { EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE,
30 "Ambient Temperature" },
31 { EL_TYPE__PAL__ENV__AIRMOVER_FAN,
33 { EL_TYPE__PAL__ENV__VOLTAGE,
35 { EL_TYPE__PAL__ENV__INTRUSION,
37 { EL_TYPE__PAL__ENV__POWER_SUPPLY,
39 { EL_TYPE__PAL__ENV__LAN,
41 { EL_TYPE__PAL__ENV__HOT_PLUG,
47 for (i = 0; ev_packets[i].type != 0; i++) {
48 env = lf_subpackets->env[ev7_lf_env_index(ev_packets[i].type)];
52 printk("%s**%s event (cabinet %d, drawer %d)\n",
57 printk("%s Module Type: 0x%x - Unit ID 0x%x - "
64 #endif /* CONFIG_VERBOSE_MCHECK */
68 marvel_process_680_frame(struct ev7_lf_subpackets *lf_subpackets, int print)
70 int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
73 for (i = ev7_lf_env_index(EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE);
74 i <= ev7_lf_env_index(EL_TYPE__PAL__ENV__HOT_PLUG);
76 if (lf_subpackets->env[i])
77 status = MCHK_DISPOSITION_REPORT;
81 marvel_print_680_frame(lf_subpackets);
86 #ifdef CONFIG_VERBOSE_MCHECK
89 marvel_print_err_cyc(u64 err_cyc)
91 static char *packet_desc[] = {
94 "1 cycle (1 or 2 flit packet)",
95 "2 cycles (3 flit packet)",
96 "9 cycles (18 flit packet)",
97 "10 cycles (19 flit packet)",
103 #define IO7__ERR_CYC__ODD_FLT (1UL << 0)
104 #define IO7__ERR_CYC__EVN_FLT (1UL << 1)
105 #define IO7__ERR_CYC__PACKET__S (6)
106 #define IO7__ERR_CYC__PACKET__M (0x7)
107 #define IO7__ERR_CYC__LOC (1UL << 5)
108 #define IO7__ERR_CYC__CYCLE__S (2)
109 #define IO7__ERR_CYC__CYCLE__M (0x7)
111 printk("%s Packet In Error: %s\n"
112 "%s Error in %s, cycle %ld%s%s\n",
114 packet_desc[EXTRACT(err_cyc, IO7__ERR_CYC__PACKET)],
116 (err_cyc & IO7__ERR_CYC__LOC) ? "DATA" : "HEADER",
117 EXTRACT(err_cyc, IO7__ERR_CYC__CYCLE),
118 (err_cyc & IO7__ERR_CYC__ODD_FLT) ? " [ODD Flit]": "",
119 (err_cyc & IO7__ERR_CYC__EVN_FLT) ? " [Even Flit]": "");
123 marvel_print_po7_crrct_sym(u64 crrct_sym)
125 #define IO7__PO7_CRRCT_SYM__SYN__S (0)
126 #define IO7__PO7_CRRCT_SYM__SYN__M (0x7f)
127 #define IO7__PO7_CRRCT_SYM__ERR_CYC__S (7) /* ERR_CYC + ODD_FLT + EVN_FLT */
128 #define IO7__PO7_CRRCT_SYM__ERR_CYC__M (0x1ff)
131 printk("%s Correctable Error Symptoms:\n"
132 "%s Syndrome: 0x%lx\n",
134 err_print_prefix, EXTRACT(crrct_sym, IO7__PO7_CRRCT_SYM__SYN));
135 marvel_print_err_cyc(EXTRACT(crrct_sym, IO7__PO7_CRRCT_SYM__ERR_CYC));
139 marvel_print_po7_uncrr_sym(u64 uncrr_sym, u64 valid_mask)
141 static char *clk_names[] = { "_h[0]", "_h[1]", "_n[0]", "_n[1]" };
142 static char *clk_decode[] = {
144 "One extra rising edge",
145 "Two extra rising edges",
148 static char *port_names[] = { "Port 0", "Port 1",
150 "Unknown Port", "Unknown Port",
151 "Unknown Port", "Port 7" };
154 #define IO7__PO7_UNCRR_SYM__SYN__S (0)
155 #define IO7__PO7_UNCRR_SYM__SYN__M (0x7f)
156 #define IO7__PO7_UNCRR_SYM__ERR_CYC__S (7) /* ERR_CYC + ODD_FLT... */
157 #define IO7__PO7_UNCRR_SYM__ERR_CYC__M (0x1ff) /* ... + EVN_FLT */
158 #define IO7__PO7_UNCRR_SYM__CLK__S (16)
159 #define IO7__PO7_UNCRR_SYM__CLK__M (0xff)
160 #define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__REQ (1UL << 24)
161 #define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__RIO (1UL << 25)
162 #define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__WIO (1UL << 26)
163 #define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__BLK (1UL << 27)
164 #define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__NBK (1UL << 28)
165 #define IO7__PO7_UNCRR_SYM__OVF__READIO (1UL << 29)
166 #define IO7__PO7_UNCRR_SYM__OVF__WRITEIO (1UL << 30)
167 #define IO7__PO7_UNCRR_SYM__OVF__FWD (1UL << 31)
168 #define IO7__PO7_UNCRR_SYM__VICTIM_SP__S (32)
169 #define IO7__PO7_UNCRR_SYM__VICTIM_SP__M (0xff)
170 #define IO7__PO7_UNCRR_SYM__DETECT_SP__S (40)
171 #define IO7__PO7_UNCRR_SYM__DETECT_SP__M (0xff)
172 #define IO7__PO7_UNCRR_SYM__STRV_VTR__S (48)
173 #define IO7__PO7_UNCRR_SYM__STRV_VTR__M (0x3ff)
175 #define IO7__STRV_VTR__LSI__INTX__S (0)
176 #define IO7__STRV_VTR__LSI__INTX__M (0x3)
177 #define IO7__STRV_VTR__LSI__SLOT__S (2)
178 #define IO7__STRV_VTR__LSI__SLOT__M (0x7)
179 #define IO7__STRV_VTR__LSI__BUS__S (5)
180 #define IO7__STRV_VTR__LSI__BUS__M (0x3)
181 #define IO7__STRV_VTR__MSI__INTNUM__S (0)
182 #define IO7__STRV_VTR__MSI__INTNUM__M (0x1ff)
183 #define IO7__STRV_VTR__IS_MSI (1UL << 9)
185 printk("%s Uncorrectable Error Symptoms:\n", err_print_prefix);
186 uncrr_sym &= valid_mask;
188 if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__SYN))
189 printk("%s Syndrome: 0x%lx\n",
191 EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__SYN));
193 if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__ERR_CYC))
194 marvel_print_err_cyc(EXTRACT(uncrr_sym,
195 IO7__PO7_UNCRR_SYM__ERR_CYC));
197 scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__CLK);
198 for (i = 0; i < 4; i++, scratch >>= 2) {
200 printk("%s Clock %s: %s\n",
202 clk_names[i], clk_decode[scratch & 0x3]);
205 if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__REQ)
206 printk("%s REQ Credit Timeout or Overflow\n",
208 if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__RIO)
209 printk("%s RIO Credit Timeout or Overflow\n",
211 if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__WIO)
212 printk("%s WIO Credit Timeout or Overflow\n",
214 if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__BLK)
215 printk("%s BLK Credit Timeout or Overflow\n",
217 if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__NBK)
218 printk("%s NBK Credit Timeout or Overflow\n",
221 if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__READIO)
222 printk("%s Read I/O Buffer Overflow\n",
224 if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__WRITEIO)
225 printk("%s Write I/O Buffer Overflow\n",
227 if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__FWD)
228 printk("%s FWD Buffer Overflow\n",
231 if ((scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__VICTIM_SP))) {
232 int lost = scratch & (1UL << 4);
234 for (i = 0; i < 8; i++, scratch >>= 1) {
237 printk("%s Error Response sent to %s",
238 err_print_prefix, port_names[i]);
241 printk("%s Lost Error sent somewhere else\n",
245 if ((scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__DETECT_SP))) {
246 for (i = 0; i < 8; i++, scratch >>= 1) {
249 printk("%s Error Reported by %s",
250 err_print_prefix, port_names[i]);
254 if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__STRV_VTR)) {
255 char starvation_message[80];
257 scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__STRV_VTR);
258 if (scratch & IO7__STRV_VTR__IS_MSI)
259 sprintf(starvation_message,
260 "MSI Interrupt 0x%x",
261 EXTRACT(scratch, IO7__STRV_VTR__MSI__INTNUM));
263 sprintf(starvation_message,
264 "LSI INT%c for Bus:Slot (%d:%d)\n",
265 'A' + EXTRACT(scratch,
266 IO7__STRV_VTR__LSI__INTX),
267 EXTRACT(scratch, IO7__STRV_VTR__LSI__BUS),
268 EXTRACT(scratch, IO7__STRV_VTR__LSI__SLOT));
270 printk("%s Starvation Int Trigger By: %s\n",
271 err_print_prefix, starvation_message);
276 marvel_print_po7_ugbge_sym(u64 ugbge_sym)
280 #define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__S (6)
281 #define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__M (0xfffffffful)
282 #define IO7__PO7_UGBGE_SYM__UPH_OPCODE__S (40)
283 #define IO7__PO7_UGBGE_SYM__UPH_OPCODE__M (0xff)
284 #define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__S (48)
285 #define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__M (0xf)
286 #define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__S (52)
287 #define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__M (0x7ff)
288 #define IO7__PO7_UGBGE_SYM__VALID (1UL << 63)
290 if (!(ugbge_sym & IO7__PO7_UGBGE_SYM__VALID))
293 switch(EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE)) {
295 sprintf(opcode_str, "Wr32");
298 sprintf(opcode_str, "WrQW");
301 sprintf(opcode_str, "WrIPR");
304 sprintf(opcode_str, "Victim");
307 sprintf(opcode_str, "BlkIO");
310 sprintf(opcode_str, "0x%lx\n",
311 EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE));
315 printk("%s Up Hose Garbage Symptom:\n"
316 "%s Source Port: %ld - Dest PID: %ld - OpCode: %s\n",
319 EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_SRC_PORT),
320 EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_DEST_PID),
323 if (0xC5 != EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE))
324 printk("%s Packet Offset 0x%08lx\n",
326 EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_PKT_OFF));
330 marvel_print_po7_err_sum(struct ev7_pal_io_subpacket *io)
332 u64 uncrr_sym_valid = 0;
334 #define IO7__PO7_ERRSUM__CR_SBE (1UL << 32)
335 #define IO7__PO7_ERRSUM__CR_SBE2 (1UL << 33)
336 #define IO7__PO7_ERRSUM__CR_PIO_WBYTE (1UL << 34)
337 #define IO7__PO7_ERRSUM__CR_CSR_NXM (1UL << 35)
338 #define IO7__PO7_ERRSUM__CR_RPID_ACV (1UL << 36)
339 #define IO7__PO7_ERRSUM__CR_RSP_NXM (1UL << 37)
340 #define IO7__PO7_ERRSUM__CR_ERR_RESP (1UL << 38)
341 #define IO7__PO7_ERRSUM__CR_CLK_DERR (1UL << 39)
342 #define IO7__PO7_ERRSUM__CR_DAT_DBE (1UL << 40)
343 #define IO7__PO7_ERRSUM__CR_DAT_GRBG (1UL << 41)
344 #define IO7__PO7_ERRSUM__MAF_TO (1UL << 42)
345 #define IO7__PO7_ERRSUM__UGBGE (1UL << 43)
346 #define IO7__PO7_ERRSUM__UN_MAF_LOST (1UL << 44)
347 #define IO7__PO7_ERRSUM__UN_PKT_OVF (1UL << 45)
348 #define IO7__PO7_ERRSUM__UN_CDT_OVF (1UL << 46)
349 #define IO7__PO7_ERRSUM__UN_DEALLOC (1UL << 47)
350 #define IO7__PO7_ERRSUM__BH_CDT_TO (1UL << 51)
351 #define IO7__PO7_ERRSUM__BH_CLK_HDR (1UL << 52)
352 #define IO7__PO7_ERRSUM__BH_DBE_HDR (1UL << 53)
353 #define IO7__PO7_ERRSUM__BH_GBG_HDR (1UL << 54)
354 #define IO7__PO7_ERRSUM__BH_BAD_CMD (1UL << 55)
355 #define IO7__PO7_ERRSUM__HLT_INT (1UL << 56)
356 #define IO7__PO7_ERRSUM__HP_INT (1UL << 57)
357 #define IO7__PO7_ERRSUM__CRD_INT (1UL << 58)
358 #define IO7__PO7_ERRSUM__STV_INT (1UL << 59)
359 #define IO7__PO7_ERRSUM__HRD_INT (1UL << 60)
360 #define IO7__PO7_ERRSUM__BH_SUM (1UL << 61)
361 #define IO7__PO7_ERRSUM__ERR_LST (1UL << 62)
362 #define IO7__PO7_ERRSUM__ERR_VALID (1UL << 63)
364 #define IO7__PO7_ERRSUM__ERR_MASK (IO7__PO7_ERRSUM__ERR_VALID | \
365 IO7__PO7_ERRSUM__CR_SBE)
368 * Single bit errors aren't covered by ERR_VALID.
370 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_SBE) {
371 printk("%s %sSingle Bit Error(s) detected/corrected\n",
373 (io->po7_error_sum & IO7__PO7_ERRSUM__CR_SBE2)
375 marvel_print_po7_crrct_sym(io->po7_crrct_sym);
379 * Neither are the interrupt status bits
381 if (io->po7_error_sum & IO7__PO7_ERRSUM__HLT_INT)
382 printk("%s Halt Interrupt posted", err_print_prefix);
383 if (io->po7_error_sum & IO7__PO7_ERRSUM__HP_INT) {
384 printk("%s Hot Plug Event Interrupt posted",
386 uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__DETECT_SP);
388 if (io->po7_error_sum & IO7__PO7_ERRSUM__CRD_INT)
389 printk("%s Correctable Error Interrupt posted",
391 if (io->po7_error_sum & IO7__PO7_ERRSUM__STV_INT) {
392 printk("%s Starvation Interrupt posted", err_print_prefix);
393 uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__STRV_VTR);
395 if (io->po7_error_sum & IO7__PO7_ERRSUM__HRD_INT) {
396 printk("%s Hard Error Interrupt posted", err_print_prefix);
397 uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__DETECT_SP);
401 * Everything else is valid only with ERR_VALID, so skip to the end
402 * (uncrr_sym check) unless ERR_VALID is set.
404 if (!(io->po7_error_sum & IO7__PO7_ERRSUM__ERR_VALID))
405 goto check_uncrr_sym;
408 * Since ERR_VALID is set, VICTIM_SP in uncrr_sym is valid.
409 * For bits [29:0] to also be valid, the following bits must
411 * CR_PIO_WBYTE CR_CSR_NXM CR_RSP_NXM
414 uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__VICTIM_SP);
415 if (!(io->po7_error_sum & (IO7__PO7_ERRSUM__CR_PIO_WBYTE |
416 IO7__PO7_ERRSUM__CR_CSR_NXM |
417 IO7__PO7_ERRSUM__CR_RSP_NXM |
418 IO7__PO7_ERRSUM__CR_ERR_RESP |
419 IO7__PO7_ERRSUM__MAF_TO)))
420 uncrr_sym_valid |= 0x3ffffffful;
422 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_PIO_WBYTE)
423 printk("%s Write byte into IO7 CSR\n", err_print_prefix);
424 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_CSR_NXM)
425 printk("%s PIO to non-existent CSR\n", err_print_prefix);
426 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_RPID_ACV)
427 printk("%s Bus Requester PID (Access Violation)\n",
429 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_RSP_NXM)
430 printk("%s Received NXM response from EV7\n",
432 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_ERR_RESP)
433 printk("%s Received ERROR RESPONSE\n", err_print_prefix);
434 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_CLK_DERR)
435 printk("%s Clock error on data flit\n", err_print_prefix);
436 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_DAT_DBE)
437 printk("%s Double Bit Error Data Error Detected\n",
439 if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_DAT_GRBG)
440 printk("%s Garbage Encoding Detected on the data\n",
442 if (io->po7_error_sum & IO7__PO7_ERRSUM__UGBGE) {
443 printk("%s Garbage Encoding sent up hose\n",
445 marvel_print_po7_ugbge_sym(io->po7_ugbge_sym);
447 if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_MAF_LOST)
448 printk("%s Orphan response (unexpected response)\n",
450 if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_PKT_OVF)
451 printk("%s Down hose packet overflow\n", err_print_prefix);
452 if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_CDT_OVF)
453 printk("%s Down hose credit overflow\n", err_print_prefix);
454 if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_DEALLOC)
455 printk("%s Unexpected or bad dealloc field\n",
459 * The black hole events.
461 if (io->po7_error_sum & IO7__PO7_ERRSUM__MAF_TO)
462 printk("%s BLACK HOLE: Timeout for all responses\n",
464 if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_CDT_TO)
465 printk("%s BLACK HOLE: Credit Timeout\n", err_print_prefix);
466 if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_CLK_HDR)
467 printk("%s BLACK HOLE: Clock check on header\n",
469 if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_DBE_HDR)
470 printk("%s BLACK HOLE: Uncorrectable Error on header\n",
472 if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_GBG_HDR)
473 printk("%s BLACK HOLE: Garbage on header\n",
475 if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_BAD_CMD)
476 printk("%s BLACK HOLE: Bad EV7 command\n",
479 if (io->po7_error_sum & IO7__PO7_ERRSUM__ERR_LST)
480 printk("%s Lost Error\n", err_print_prefix);
482 printk("%s Failing Packet:\n"
483 "%s Cycle 1: %016lx\n"
484 "%s Cycle 2: %016lx\n",
486 err_print_prefix, io->po7_err_pkt0,
487 err_print_prefix, io->po7_err_pkt1);
489 * If there are any valid bits in UNCRR sym for this err,
490 * print UNCRR_SYM as well.
494 marvel_print_po7_uncrr_sym(io->po7_uncrr_sym, uncrr_sym_valid);
498 marvel_print_pox_tlb_err(u64 tlb_err)
500 static char *tlb_errors[] = {
502 "North Port Signaled Error fetching TLB entry",
503 "PTE invalid or UCC or GBG error on this entry",
504 "Address did not hit any DMA window"
507 #define IO7__POX_TLBERR__ERR_VALID (1UL << 63)
508 #define IO7__POX_TLBERR__ERRCODE__S (0)
509 #define IO7__POX_TLBERR__ERRCODE__M (0x3)
510 #define IO7__POX_TLBERR__ERR_TLB_PTR__S (3)
511 #define IO7__POX_TLBERR__ERR_TLB_PTR__M (0x7)
512 #define IO7__POX_TLBERR__FADDR__S (6)
513 #define IO7__POX_TLBERR__FADDR__M (0x3fffffffffful)
515 if (!(tlb_err & IO7__POX_TLBERR__ERR_VALID))
518 printk("%s TLB Error on index 0x%lx:\n"
520 "%s - Addr: 0x%016lx\n",
522 EXTRACT(tlb_err, IO7__POX_TLBERR__ERR_TLB_PTR),
524 tlb_errors[EXTRACT(tlb_err, IO7__POX_TLBERR__ERRCODE)],
526 EXTRACT(tlb_err, IO7__POX_TLBERR__FADDR) << 6);
530 marvel_print_pox_spl_cmplt(u64 spl_cmplt)
534 #define IO7__POX_SPLCMPLT__MESSAGE__S (0)
535 #define IO7__POX_SPLCMPLT__MESSAGE__M (0x0fffffffful)
536 #define IO7__POX_SPLCMPLT__SOURCE_BUS__S (40)
537 #define IO7__POX_SPLCMPLT__SOURCE_BUS__M (0xfful)
538 #define IO7__POX_SPLCMPLT__SOURCE_DEV__S (35)
539 #define IO7__POX_SPLCMPLT__SOURCE_DEV__M (0x1ful)
540 #define IO7__POX_SPLCMPLT__SOURCE_FUNC__S (32)
541 #define IO7__POX_SPLCMPLT__SOURCE_FUNC__M (0x07ul)
543 #define IO7__POX_SPLCMPLT__MSG_CLASS__S (28)
544 #define IO7__POX_SPLCMPLT__MSG_CLASS__M (0xf)
545 #define IO7__POX_SPLCMPLT__MSG_INDEX__S (20)
546 #define IO7__POX_SPLCMPLT__MSG_INDEX__M (0xff)
547 #define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__S (20)
548 #define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__M (0xfff)
549 #define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__S (12)
550 #define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__M (0x7f)
551 #define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__S (0)
552 #define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__M (0xfff)
554 printk("%s Split Completion Error:\n"
555 "%s Source (Bus:Dev:Func): %ld:%ld:%ld\n",
558 EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_BUS),
559 EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_DEV),
560 EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_FUNC));
562 switch(EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__MSG_CLASSINDEX)) {
564 sprintf(message, "Normal completion");
567 sprintf(message, "Bridge - Master Abort");
570 sprintf(message, "Bridge - Target Abort");
573 sprintf(message, "Bridge - Uncorrectable Write Data Error");
576 sprintf(message, "Byte Count Out of Range");
579 sprintf(message, "Uncorrectable Split Write Data Error");
582 sprintf(message, "%08lx\n",
583 EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__MESSAGE));
586 printk("%s Message: %s\n", err_print_prefix, message);
590 marvel_print_pox_trans_sum(u64 trans_sum)
592 char *pcix_cmd[] = { "Interrupt Acknowledge",
597 "Reserved / Device ID Message",
600 "Reserved / Alias to Memory Read Block",
601 "Reserved / Alias to Memory Write Block",
602 "Configuration Read",
603 "Configuration Write",
604 "Memory Read Multiple / Split Completion",
605 "Dual Address Cycle",
606 "Memory Read Line / Memory Read Block",
607 "Memory Write and Invalidate / Memory Write Block"
610 #define IO7__POX_TRANSUM__PCI_ADDR__S (0)
611 #define IO7__POX_TRANSUM__PCI_ADDR__M (0x3fffffffffffful)
612 #define IO7__POX_TRANSUM__DAC (1UL << 50)
613 #define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__S (52)
614 #define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__M (0xf)
615 #define IO7__POX_TRANSUM__PCIX_CMD__S (56)
616 #define IO7__POX_TRANSUM__PCIX_CMD__M (0xf)
617 #define IO7__POX_TRANSUM__ERR_VALID (1UL << 63)
619 if (!(trans_sum & IO7__POX_TRANSUM__ERR_VALID))
622 printk("%s Transaction Summary:\n"
623 "%s Command: 0x%lx - %s\n"
624 "%s Address: 0x%016lx%s\n"
625 "%s PCI-X Master Slot: 0x%lx\n",
628 EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_CMD),
629 pcix_cmd[EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_CMD)],
631 EXTRACT(trans_sum, IO7__POX_TRANSUM__PCI_ADDR),
632 (trans_sum & IO7__POX_TRANSUM__DAC) ? " (DAC)" : "",
634 EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_MASTER_SLOT));
638 marvel_print_pox_err(u64 err_sum, struct ev7_pal_io_one_port *port)
640 #define IO7__POX_ERRSUM__AGP_REQQ_OVFL (1UL << 4)
641 #define IO7__POX_ERRSUM__AGP_SYNC_ERR (1UL << 5)
642 #define IO7__POX_ERRSUM__MRETRY_TO (1UL << 6)
643 #define IO7__POX_ERRSUM__PCIX_UX_SPL (1UL << 7)
644 #define IO7__POX_ERRSUM__PCIX_SPLIT_TO (1UL << 8)
645 #define IO7__POX_ERRSUM__PCIX_DISCARD_SPL (1UL << 9)
646 #define IO7__POX_ERRSUM__DMA_RD_TO (1UL << 10)
647 #define IO7__POX_ERRSUM__CSR_NXM_RD (1UL << 11)
648 #define IO7__POX_ERRSUM__CSR_NXM_WR (1UL << 12)
649 #define IO7__POX_ERRSUM__DMA_TO (1UL << 13)
650 #define IO7__POX_ERRSUM__ALL_MABORTS (1UL << 14)
651 #define IO7__POX_ERRSUM__MABORT (1UL << 15)
652 #define IO7__POX_ERRSUM__MABORT_MASK (IO7__POX_ERRSUM__ALL_MABORTS|\
653 IO7__POX_ERRSUM__MABORT)
654 #define IO7__POX_ERRSUM__PT_TABORT (1UL << 16)
655 #define IO7__POX_ERRSUM__PM_TABORT (1UL << 17)
656 #define IO7__POX_ERRSUM__TABORT_MASK (IO7__POX_ERRSUM__PT_TABORT | \
657 IO7__POX_ERRSUM__PM_TABORT)
658 #define IO7__POX_ERRSUM__SERR (1UL << 18)
659 #define IO7__POX_ERRSUM__ADDRERR_STB (1UL << 19)
660 #define IO7__POX_ERRSUM__DETECTED_SERR (1UL << 20)
661 #define IO7__POX_ERRSUM__PERR (1UL << 21)
662 #define IO7__POX_ERRSUM__DATAERR_STB_NIOW (1UL << 22)
663 #define IO7__POX_ERRSUM__DETECTED_PERR (1UL << 23)
664 #define IO7__POX_ERRSUM__PM_PERR (1UL << 24)
665 #define IO7__POX_ERRSUM__PT_SCERROR (1UL << 26)
666 #define IO7__POX_ERRSUM__HUNG_BUS (1UL << 28)
667 #define IO7__POX_ERRSUM__UPE_ERROR__S (51)
668 #define IO7__POX_ERRSUM__UPE_ERROR__M (0xffUL)
669 #define IO7__POX_ERRSUM__UPE_ERROR GEN_MASK(IO7__POX_ERRSUM__UPE_ERROR)
670 #define IO7__POX_ERRSUM__TLB_ERR (1UL << 59)
671 #define IO7__POX_ERRSUM__ERR_VALID (1UL << 63)
673 #define IO7__POX_ERRSUM__TRANS_SUM__MASK (IO7__POX_ERRSUM__MRETRY_TO | \
674 IO7__POX_ERRSUM__PCIX_UX_SPL | \
675 IO7__POX_ERRSUM__PCIX_SPLIT_TO | \
676 IO7__POX_ERRSUM__DMA_TO | \
677 IO7__POX_ERRSUM__MABORT_MASK | \
678 IO7__POX_ERRSUM__TABORT_MASK | \
679 IO7__POX_ERRSUM__SERR | \
680 IO7__POX_ERRSUM__ADDRERR_STB | \
681 IO7__POX_ERRSUM__PERR | \
682 IO7__POX_ERRSUM__DATAERR_STB_NIOW |\
683 IO7__POX_ERRSUM__DETECTED_PERR | \
684 IO7__POX_ERRSUM__PM_PERR | \
685 IO7__POX_ERRSUM__PT_SCERROR | \
686 IO7__POX_ERRSUM__UPE_ERROR)
688 if (!(err_sum & IO7__POX_ERRSUM__ERR_VALID))
692 * First the transaction summary errors
694 if (err_sum & IO7__POX_ERRSUM__MRETRY_TO)
695 printk("%s IO7 Master Retry Timeout expired\n",
697 if (err_sum & IO7__POX_ERRSUM__PCIX_UX_SPL)
698 printk("%s Unexpected Split Completion\n",
700 if (err_sum & IO7__POX_ERRSUM__PCIX_SPLIT_TO)
701 printk("%s IO7 Split Completion Timeout expired\n",
703 if (err_sum & IO7__POX_ERRSUM__DMA_TO)
704 printk("%s Hung bus during DMA transaction\n",
706 if (err_sum & IO7__POX_ERRSUM__MABORT_MASK)
707 printk("%s Master Abort\n", err_print_prefix);
708 if (err_sum & IO7__POX_ERRSUM__PT_TABORT)
709 printk("%s IO7 Asserted Target Abort\n", err_print_prefix);
710 if (err_sum & IO7__POX_ERRSUM__PM_TABORT)
711 printk("%s IO7 Received Target Abort\n", err_print_prefix);
712 if (err_sum & IO7__POX_ERRSUM__ADDRERR_STB) {
713 printk("%s Address or PCI-X Attribute Parity Error\n",
715 if (err_sum & IO7__POX_ERRSUM__SERR)
716 printk("%s IO7 Asserted SERR\n", err_print_prefix);
718 if (err_sum & IO7__POX_ERRSUM__PERR) {
719 if (err_sum & IO7__POX_ERRSUM__DATAERR_STB_NIOW)
720 printk("%s IO7 Detected Data Parity Error\n",
723 printk("%s Split Completion Response with "
724 "Parity Error\n", err_print_prefix);
726 if (err_sum & IO7__POX_ERRSUM__DETECTED_PERR)
727 printk("%s PERR detected\n", err_print_prefix);
728 if (err_sum & IO7__POX_ERRSUM__PM_PERR)
729 printk("%s PERR while IO7 is master\n", err_print_prefix);
730 if (err_sum & IO7__POX_ERRSUM__PT_SCERROR) {
731 printk("%s IO7 Received Split Completion Error message\n",
733 marvel_print_pox_spl_cmplt(port->pox_spl_cmplt);
735 if (err_sum & IO7__POX_ERRSUM__UPE_ERROR) {
736 unsigned int upe_error = EXTRACT(err_sum,
737 IO7__POX_ERRSUM__UPE_ERROR);
739 static char *upe_errors[] = {
740 "Parity Error on MSI write data",
741 "MSI read (MSI window is write only",
742 "TLB - Invalid WR transaction",
743 "TLB - Invalid RD transaction",
744 "DMA - WR error (see north port)",
745 "DMA - RD error (see north port)",
746 "PPR - WR error (see north port)",
747 "PPR - RD error (see north port)"
750 printk("%s UPE Error:\n", err_print_prefix);
751 for (i = 0; i < 8; i++) {
752 if (upe_error & (1 << i))
753 printk("%s %s\n", err_print_prefix,
759 * POx_TRANS_SUM, if appropriate.
761 if (err_sum & IO7__POX_ERRSUM__TRANS_SUM__MASK)
762 marvel_print_pox_trans_sum(port->pox_trans_sum);
767 if (err_sum & IO7__POX_ERRSUM__TLB_ERR) {
768 printk("%s TLB ERROR\n", err_print_prefix);
769 marvel_print_pox_tlb_err(port->pox_tlb_err);
773 * And the single bit status errors.
775 if (err_sum & IO7__POX_ERRSUM__AGP_REQQ_OVFL)
776 printk("%s AGP Request Queue Overflow\n", err_print_prefix);
777 if (err_sum & IO7__POX_ERRSUM__AGP_SYNC_ERR)
778 printk("%s AGP Sync Error\n", err_print_prefix);
779 if (err_sum & IO7__POX_ERRSUM__PCIX_DISCARD_SPL)
780 printk("%s Discarded split completion\n", err_print_prefix);
781 if (err_sum & IO7__POX_ERRSUM__DMA_RD_TO)
782 printk("%s DMA Read Timeout\n", err_print_prefix);
783 if (err_sum & IO7__POX_ERRSUM__CSR_NXM_RD)
784 printk("%s CSR NXM READ\n", err_print_prefix);
785 if (err_sum & IO7__POX_ERRSUM__CSR_NXM_WR)
786 printk("%s CSR NXM WRITE\n", err_print_prefix);
787 if (err_sum & IO7__POX_ERRSUM__DETECTED_SERR)
788 printk("%s SERR detected\n", err_print_prefix);
789 if (err_sum & IO7__POX_ERRSUM__HUNG_BUS)
790 printk("%s HUNG BUS detected\n", err_print_prefix);
793 #endif /* CONFIG_VERBOSE_MCHECK */
795 static struct ev7_pal_io_subpacket *
796 marvel_find_io7_with_error(struct ev7_lf_subpackets *lf_subpackets)
798 struct ev7_pal_io_subpacket *io = lf_subpackets->io;
803 * Caller must provide the packet to fill
809 * Fill the subpacket with the console's standard fill pattern
811 memset(io, 0x55, sizeof(*io));
813 for (io7 = NULL; NULL != (io7 = marvel_next_io7(io7)); ) {
814 unsigned long err_sum = 0;
816 err_sum |= io7->csrs->PO7_ERROR_SUM.csr;
817 for (i = 0; i < IO7_NUM_PORTS; i++) {
818 if (!io7->ports[i].enabled)
820 err_sum |= io7->ports[i].csrs->POx_ERR_SUM.csr;
824 * Is there at least one error?
826 if (err_sum & (1UL << 63))
831 * Did we find an IO7 with an error?
837 * We have an IO7 with an error.
839 * Fill in the IO subpacket.
841 io->io_asic_rev = io7->csrs->IO_ASIC_REV.csr;
842 io->io_sys_rev = io7->csrs->IO_SYS_REV.csr;
843 io->io7_uph = io7->csrs->IO7_UPH.csr;
844 io->hpi_ctl = io7->csrs->HPI_CTL.csr;
845 io->crd_ctl = io7->csrs->CRD_CTL.csr;
846 io->hei_ctl = io7->csrs->HEI_CTL.csr;
847 io->po7_error_sum = io7->csrs->PO7_ERROR_SUM.csr;
848 io->po7_uncrr_sym = io7->csrs->PO7_UNCRR_SYM.csr;
849 io->po7_crrct_sym = io7->csrs->PO7_CRRCT_SYM.csr;
850 io->po7_ugbge_sym = io7->csrs->PO7_UGBGE_SYM.csr;
851 io->po7_err_pkt0 = io7->csrs->PO7_ERR_PKT[0].csr;
852 io->po7_err_pkt1 = io7->csrs->PO7_ERR_PKT[1].csr;
854 for (i = 0; i < IO7_NUM_PORTS; i++) {
855 io7_ioport_csrs *csrs = io7->ports[i].csrs;
857 if (!io7->ports[i].enabled)
860 io->ports[i].pox_err_sum = csrs->POx_ERR_SUM.csr;
861 io->ports[i].pox_tlb_err = csrs->POx_TLB_ERR.csr;
862 io->ports[i].pox_spl_cmplt = csrs->POx_SPL_COMPLT.csr;
863 io->ports[i].pox_trans_sum = csrs->POx_TRANS_SUM.csr;
864 io->ports[i].pox_first_err = csrs->POx_FIRST_ERR.csr;
865 io->ports[i].pox_mult_err = csrs->POx_MULT_ERR.csr;
866 io->ports[i].pox_dm_source = csrs->POx_DM_SOURCE.csr;
867 io->ports[i].pox_dm_dest = csrs->POx_DM_DEST.csr;
868 io->ports[i].pox_dm_size = csrs->POx_DM_SIZE.csr;
869 io->ports[i].pox_dm_ctrl = csrs->POx_DM_CTRL.csr;
872 * Ack this port's errors, if any. POx_ERR_SUM must be last.
874 * Most of the error registers get cleared and unlocked when
875 * the associated bits in POx_ERR_SUM are cleared (by writing
876 * 1). POx_TLB_ERR is an exception and must be explicitly
879 csrs->POx_TLB_ERR.csr = io->ports[i].pox_tlb_err;
880 csrs->POx_ERR_SUM.csr = io->ports[i].pox_err_sum;
882 csrs->POx_ERR_SUM.csr;
886 * Ack any port 7 error(s).
888 io7->csrs->PO7_ERROR_SUM.csr = io->po7_error_sum;
890 io7->csrs->PO7_ERROR_SUM.csr;
893 * Correct the io7_pid.
895 lf_subpackets->io_pid = io7->pe;
901 marvel_process_io_error(struct ev7_lf_subpackets *lf_subpackets, int print)
903 int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
905 #ifdef CONFIG_VERBOSE_MCHECK
906 struct ev7_pal_io_subpacket *io = lf_subpackets->io;
908 #endif /* CONFIG_VERBOSE_MCHECK */
910 #define MARVEL_IO_ERR_VALID(x) ((x) & (1UL << 63))
912 if (!lf_subpackets->logout || !lf_subpackets->io)
916 * The PALcode only builds an IO subpacket if there is a
917 * locally connected IO7. In the cases of
918 * 1) a uniprocessor kernel
919 * 2) an mp kernel before the local secondary has called in
920 * error interrupts are all directed to the primary processor.
921 * In that case, we may not have an IO subpacket at all and, event
922 * if we do, it may not be the right now.
924 * If the RBOX indicates an I/O error interrupt, make sure we have
925 * the correct IO7 information. If we don't have an IO subpacket
926 * or it's the wrong one, try to find the right one.
928 * RBOX I/O error interrupts are indicated by RBOX_INT<29> and
931 if ((lf_subpackets->io->po7_error_sum & (1UL << 32)) ||
932 ((lf_subpackets->io->po7_error_sum |
933 lf_subpackets->io->ports[0].pox_err_sum |
934 lf_subpackets->io->ports[1].pox_err_sum |
935 lf_subpackets->io->ports[2].pox_err_sum |
936 lf_subpackets->io->ports[3].pox_err_sum) & (1UL << 63))) {
938 * Either we have no IO subpacket or no error is
939 * indicated in the one we do have. Try find the
940 * one with the error.
942 if (!marvel_find_io7_with_error(lf_subpackets))
947 * We have an IO7 indicating an error - we're going to report it
949 status = MCHK_DISPOSITION_REPORT;
951 #ifdef CONFIG_VERBOSE_MCHECK
956 printk("%s*Error occurred on IO7 at PID %u\n",
957 err_print_prefix, lf_subpackets->io_pid);
962 if (lf_subpackets->io->po7_error_sum & IO7__PO7_ERRSUM__ERR_MASK) {
963 marvel_print_po7_err_sum(io);
966 printk("%s PORT 7 ERROR:\n"
967 "%s PO7_ERROR_SUM: %016lx\n"
968 "%s PO7_UNCRR_SYM: %016lx\n"
969 "%s PO7_CRRCT_SYM: %016lx\n"
970 "%s PO7_UGBGE_SYM: %016lx\n"
971 "%s PO7_ERR_PKT0: %016lx\n"
972 "%s PO7_ERR_PKT1: %016lx\n",
974 err_print_prefix, io->po7_error_sum,
975 err_print_prefix, io->po7_uncrr_sym,
976 err_print_prefix, io->po7_crrct_sym,
977 err_print_prefix, io->po7_ugbge_sym,
978 err_print_prefix, io->po7_err_pkt0,
979 err_print_prefix, io->po7_err_pkt1);
984 * Then loop through the ports
986 for (i = 0; i < IO7_NUM_PORTS; i++) {
987 if (!MARVEL_IO_ERR_VALID(io->ports[i].pox_err_sum))
990 printk("%s PID %u PORT %d POx_ERR_SUM: %016lx\n",
992 lf_subpackets->io_pid, i, io->ports[i].pox_err_sum);
993 marvel_print_pox_err(io->ports[i].pox_err_sum, &io->ports[i]);
995 printk("%s [ POx_FIRST_ERR: %016lx ]\n",
996 err_print_prefix, io->ports[i].pox_first_err);
997 marvel_print_pox_err(io->ports[i].pox_first_err,
1003 #endif /* CONFIG_VERBOSE_MCHECK */
1009 marvel_process_logout_frame(struct ev7_lf_subpackets *lf_subpackets, int print)
1011 int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
1016 #define EV7__RBOX_INT__IO_ERROR__MASK 0x20000400ul
1017 if (lf_subpackets->logout &&
1018 (lf_subpackets->logout->rbox_int & 0x20000400ul))
1019 status = marvel_process_io_error(lf_subpackets, print);
1022 * Probing behind PCI-X bridges can cause machine checks on
1023 * Marvel when the probe is handled by the bridge as a split
1024 * completion transaction. The symptom is an ERROR_RESPONSE
1025 * to a CONFIG address. Since these errors will happen in
1026 * normal operation, dismiss them.
1029 * C_STAT = 0x14 (Error Reponse)
1030 * C_STS<3> = 0 (C_ADDR valid)
1031 * C_ADDR<42> = 1 (I/O)
1032 * C_ADDR<31:22> = 111110xxb (PCI Config space)
1034 if (lf_subpackets->ev7 &&
1035 (lf_subpackets->ev7->c_stat == 0x14) &&
1036 !(lf_subpackets->ev7->c_sts & 0x8) &&
1037 ((lf_subpackets->ev7->c_addr & 0x400ff000000ul)
1038 == 0x400fe000000ul))
1039 status = MCHK_DISPOSITION_DISMISS;
1045 marvel_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
1047 struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr;
1048 int (*process_frame)(struct ev7_lf_subpackets *, int) = NULL;
1049 struct ev7_lf_subpackets subpacket_collection = { NULL, };
1050 struct ev7_pal_io_subpacket scratch_io_packet = { 0, };
1051 struct ev7_lf_subpackets *lf_subpackets = NULL;
1052 int disposition = MCHK_DISPOSITION_UNKNOWN_ERROR;
1053 char *saved_err_prefix = err_print_prefix;
1054 char *error_type = NULL;
1057 * Sync the processor
1063 case SCB_Q_SYSEVENT:
1064 process_frame = marvel_process_680_frame;
1065 error_type = "System Event";
1069 process_frame = marvel_process_logout_frame;
1070 error_type = "System Uncorrectable Error";
1074 process_frame = marvel_process_logout_frame;
1075 error_type = "System Correctable Error";
1079 /* Don't know it - pass it up. */
1080 ev7_machine_check(vector, la_ptr, regs);
1085 * A system event or error has occured, handle it here.
1087 * Any errors in the logout frame have already been cleared by the
1088 * PALcode, so just parse it.
1090 err_print_prefix = KERN_CRIT;
1093 * Parse the logout frame without printing first. If the only error(s)
1094 * found are classified as "dismissable", then just dismiss them and
1095 * don't print any message
1098 ev7_collect_logout_frame_subpackets(el_ptr,
1099 &subpacket_collection);
1100 if (process_frame && lf_subpackets && lf_subpackets->logout) {
1102 * We might not have the correct (or any) I/O subpacket.
1103 * [ See marvel_process_io_error() for explanation. ]
1104 * If we don't have one, point the io subpacket in
1105 * lf_subpackets at scratch_io_packet so that
1106 * marvel_find_io7_with_error() will have someplace to
1109 if (!lf_subpackets->io)
1110 lf_subpackets->io = &scratch_io_packet;
1113 * Default io_pid to the processor reporting the error
1114 * [this will get changed in marvel_find_io7_with_error()
1115 * if a different one is needed]
1117 lf_subpackets->io_pid = lf_subpackets->logout->whami;
1120 * Evaluate the frames.
1122 disposition = process_frame(lf_subpackets, 0);
1124 switch(disposition) {
1125 case MCHK_DISPOSITION_DISMISS:
1126 /* Nothing to do. */
1129 case MCHK_DISPOSITION_REPORT:
1130 /* Recognized error, report it. */
1131 printk("%s*%s (Vector 0x%x) reported on CPU %d\n",
1132 err_print_prefix, error_type,
1133 (unsigned int)vector, (int)smp_processor_id());
1134 el_print_timestamp(&lf_subpackets->logout->timestamp);
1135 process_frame(lf_subpackets, 1);
1139 /* Unknown - dump the annotated subpackets. */
1140 printk("%s*%s (Vector 0x%x) reported on CPU %d\n",
1141 err_print_prefix, error_type,
1142 (unsigned int)vector, (int)smp_processor_id());
1143 el_process_subpacket(el_ptr);
1148 err_print_prefix = saved_err_prefix;
1150 /* Release the logout frame. */
1156 marvel_register_error_handlers(void)
1158 ev7_register_error_handlers();