Mercurial > illumos > illumos-gate
changeset 13559:8413443ef603
1922 t_pcb of panic thread should be preserved on a panic
Reviewed by: Gordon Ross <gordon.w.ross@gmail.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Richard Lowe <richlowe@richlowe.net>
| author | Bryan Cantrill <bryan@joyent.com> |
|---|---|
| date | Tue, 10 Jan 2012 20:32:59 -0500 |
| parents | 4fab5e00a936 |
| children | 61e2c882ccf8 |
| files | usr/src/uts/common/os/panic.c |
| diffstat | 1 files changed, 7 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/usr/src/uts/common/os/panic.c Tue Jan 10 20:32:56 2012 -0500 +++ b/usr/src/uts/common/os/panic.c Tue Jan 10 20:32:59 2012 -0500 @@ -23,6 +23,10 @@ */ /* + * Copyright (c) 2011, Joyent, Inc. All rights reserved. + */ + +/* * When the operating system detects that it is in an invalid state, a panic * is initiated in order to minimize potential damage to user data and to * facilitate debugging. There are three major tasks to be performed in @@ -154,6 +158,7 @@ kthread_t *panic_thread; /* first thread to call panicsys() */ cpu_t panic_cpu; /* cpu from first call to panicsys() */ label_t panic_regs; /* setjmp label from panic_thread */ +label_t panic_pcb; /* t_pcb at time of panic */ struct regs *panic_reg; /* regs struct from first panicsys() */ char *volatile panicstr; /* format string to first panicsys() */ va_list panicargs; /* arguments to first panicsys() */ @@ -213,6 +218,7 @@ ushort_t schedflag = t->t_schedflag; cpu_t *bound_cpu = t->t_bound_cpu; char preempt = t->t_preempt; + label_t pcb = t->t_pcb; (void) setjmp(&t->t_pcb); t->t_flag |= T_PANIC; @@ -290,6 +296,7 @@ panic_schedflag = schedflag; panic_bound_cpu = bound_cpu; panic_preempt = preempt; + panic_pcb = pcb; if (intr_stack != NULL) { panic_cpu.cpu_intr_stack = intr_stack;