void ev6_machine_check(u64 vector, u64 la_ptr) { struct el_common *mchk_header = (struct el_common *)la_ptr; /* * Sync the processor */ mb(); draina(); /* * Parse the logout frame without printing first. If the only error(s) * found are have a disposition of "dismiss", then just dismiss them * and don't print any message */ if (ev6_process_logout_frame(mchk_header, 0) != MCHK_DISPOSITION_DISMISS) { char *saved_err_prefix = err_print_prefix; err_print_prefix = KERN_CRIT; /* * Either a nondismissable error was detected or no * recognized error was detected in the logout frame * -- report the error in either case */ printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d:\n", err_print_prefix, (vector == SCB_Q_PROCERR)?"Correctable":"Uncorrectable", (unsigned int)vector, (int)smp_processor_id()); ev6_process_logout_frame(mchk_header, 1); dik_show_regs(get_irq_regs(), NULL); err_print_prefix = saved_err_prefix; } /* * Release the logout frame */ wrmces(0x7); mb(); }
void die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15) { if (regs->ps & 8) return; #ifdef CONFIG_SMP printk("CPU %d ", hard_smp_processor_id()); #endif printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err); dik_show_regs(regs, r9_15); add_taint(TAINT_DIE); dik_show_trace((unsigned long *)(regs+1)); dik_show_code((unsigned int *)regs->pc); if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) { printk("die_if_kernel recursion detected.\n"); local_irq_enable(); while (1); } do_exit(SIGSEGV); }
void die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15) { if (regs->ps & 8) return; #ifdef __SMP__ printk("CPU %d ", hard_smp_processor_id()); #endif printk("%s(%d): %s %ld\n", current->comm, current->pid, str, err); dik_show_regs(regs, r9_15); dik_show_code((unsigned int *)regs->pc); dik_show_trace((unsigned long *)(regs+1)); if (current->tss.flags & (1UL << 63)) { printk("die_if_kernel recursion detected.\n"); sti(); while (1); } current->tss.flags |= (1UL << 63); do_exit(SIGSEGV); }
void process_mcheck_info(unsigned long vector, unsigned long la_ptr, const char *machine, int expected) { struct el_common *mchk_header; const char *reason; /* * See if the machine check is due to a badaddr() and if so, * ignore it. */ #ifdef CONFIG_VERBOSE_MCHECK if (alpha_verbose_mcheck > 1) { printk(KERN_CRIT "%s machine check %s\n", machine, expected ? "expected." : "NOT expected!!!"); } #endif if (expected) { int cpu = smp_processor_id(); mcheck_expected(cpu) = 0; mcheck_taken(cpu) = 1; return; } mchk_header = (struct el_common *)la_ptr; printk(KERN_CRIT "%s machine check: vector=0x%lx pc=0x%lx code=0x%x\n", machine, vector, get_irq_regs()->pc, mchk_header->code); switch (mchk_header->code) { /* Machine check reasons. Defined according to PALcode sources. */ case 0x80: reason = "tag parity error"; break; case 0x82: reason = "tag control parity error"; break; case 0x84: reason = "generic hard error"; break; case 0x86: reason = "correctable ECC error"; break; case 0x88: reason = "uncorrectable ECC error"; break; case 0x8A: reason = "OS-specific PAL bugcheck"; break; case 0x90: reason = "callsys in kernel mode"; break; case 0x96: reason = "i-cache read retryable error"; break; case 0x98: reason = "processor detected hard error"; break; /* System specific (these are for Alcor, at least): */ case 0x202: reason = "system detected hard error"; break; case 0x203: reason = "system detected uncorrectable ECC error"; break; case 0x204: reason = "SIO SERR occurred on PCI bus"; break; case 0x205: reason = "parity error detected by core logic"; break; case 0x206: reason = "SIO IOCHK occurred on ISA bus"; break; case 0x207: reason = "non-existent memory error"; break; case 0x208: reason = "MCHK_K_DCSR"; break; case 0x209: reason = "PCI SERR detected"; break; case 0x20b: reason = "PCI data parity error detected"; break; case 0x20d: reason = "PCI address parity error detected"; break; case 0x20f: reason = "PCI master abort error"; break; case 0x211: reason = "PCI target abort error"; break; case 0x213: reason = "scatter/gather PTE invalid error"; break; case 0x215: reason = "flash ROM write error"; break; case 0x217: reason = "IOA timeout detected"; break; case 0x219: reason = "IOCHK#, EISA add-in board parity or other catastrophic error"; break; case 0x21b: reason = "EISA fail-safe timer timeout"; break; case 0x21d: reason = "EISA bus time-out"; break; case 0x21f: reason = "EISA software generated NMI"; break; case 0x221: reason = "unexpected ev5 IRQ[3] interrupt"; break; default: reason = "unknown"; break; } printk(KERN_CRIT "machine check type: %s%s\n", reason, mchk_header->retry ? " (retryable)" : ""); dik_show_regs(get_irq_regs(), NULL); #ifdef CONFIG_VERBOSE_MCHECK if (alpha_verbose_mcheck > 1) { /* Dump the logout area to give all info. */ unsigned long *ptr = (unsigned long *)la_ptr; long i; for (i = 0; i < mchk_header->size / sizeof(long); i += 2) { printk(KERN_CRIT " +%8lx %016lx %016lx\n", i*sizeof(long), ptr[i], ptr[i+1]); } } #endif /* CONFIG_VERBOSE_MCHECK */ }
void show_regs(struct pt_regs *regs) { show_regs_print_info(KERN_DEFAULT); dik_show_regs(regs, NULL); }
void show_regs(struct pt_regs *regs) { dik_show_regs(regs, NULL); }