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Print stacktrace when a system service fails or when a core dump has to be generated for a user process.

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This commit is contained in:
Cristiano Giuffrida
2010-03-22 22:46:29 +00:00
parent 436d6012a3
commit ef95bf1bb9
4 changed files with 17 additions and 5 deletions
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3
servers/vm/pagefaults.c
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@@ -73,7 +73,6 @@ PUBLIC void do_pagefaults(void)
vm_assert(PFERR_NOPAGE(err));
printf("VM: pagefault: SIGSEGV %d bad addr 0x%lx %s\n",
ep, arch_map2vir(vmp, addr), pf_errstr(err));
sys_sysctl_stacktrace(vmp->vm_endpoint);
if((s=sys_kill(vmp->vm_endpoint, SIGSEGV)) != OK)
panic("sys_kill failed: %d", s);
if((s=sys_vmctl(ep, VMCTL_CLEAR_PAGEFAULT, r)) != OK)
@@ -95,7 +94,6 @@ PUBLIC void do_pagefaults(void)
if(!(region->flags & VR_WRITABLE) && wr) {
printf("VM: pagefault: SIGSEGV %d ro map 0x%lx %s\n",
ep, arch_map2vir(vmp, addr), pf_errstr(err));
sys_sysctl_stacktrace(vmp->vm_endpoint);
if((s=sys_kill(vmp->vm_endpoint, SIGSEGV)) != OK)
panic("sys_kill failed: %d", s);
if((s=sys_vmctl(ep, VMCTL_CLEAR_PAGEFAULT, r)) != OK)
@@ -109,7 +107,6 @@ PUBLIC void do_pagefaults(void)
/* Access is allowed; handle it. */
if((r=map_pf(vmp, region, offset, wr)) != OK) {
printf("VM: pagefault: SIGSEGV %d pagefault not handled\n", ep);
sys_sysctl_stacktrace(vmp->vm_endpoint);
if((s=sys_kill(vmp->vm_endpoint, SIGSEGV)) != OK)
panic("sys_kill failed: %d", s);
if((s=sys_vmctl(ep, VMCTL_CLEAR_PAGEFAULT, r)) != OK)