Re: Fatal trap 1

2012-12-22 Thread Konstantin Belousov
On Sat, Dec 22, 2012 at 01:44:49PM +0200, Andriy Gapon wrote: > on 22/12/2012 13:21 Konstantin Belousov said the following: > > This is due to the vtoslab() returning NULL. Since slabref is dereferenced > > later, clang tries to be helpful as usual and converts the !(p->flags & > > PG_SLAB) case fr

Re: Fatal trap 1

2012-12-22 Thread Andriy Gapon
on 22/12/2012 13:21 Konstantin Belousov said the following: > This is due to the vtoslab() returning NULL. Since slabref is dereferenced > later, clang tries to be helpful as usual and converts the !(p->flags & > PG_SLAB) case from vtoslab() into the jump to un2 instruction if vtoslab() > result is

Re: Fatal trap 1 [Was: "Memory modified after free" - by whom?]

2012-12-22 Thread Konstantin Belousov
On Sat, Dec 22, 2012 at 01:08:10PM +0200, Andriy Gapon wrote: > on 22/12/2012 02:21 Garrett Cooper said the following: > > Fatal trap 1: privileged instruction fault while in kernel mode > > Fatal trap 1: privileged instruction fault while in kernel mode > > Unrelated to the

Fatal trap 1 [Was: "Memory modified after free" - by whom?]

2012-12-22 Thread Andriy Gapon
on 22/12/2012 02:21 Garrett Cooper said the following: > Fatal trap 1: privileged instruction fault while in kernel mode > Fatal trap 1: privileged instruction fault while in kernel mode Unrelated to the original topic - this looks very weird. I mean all the CPUs getting this unusua

Fatal Trap 1: priviliged instruction fault while in kernel mode

2003-11-26 Thread Willem Jan Withagen
Instruction pointer: 0x8:0c021B8C0 And then the box was frozen solid The trap occured while compiling world over NFS V3/UDP. FreeBSD 5.1-RELEASE-p10 #0: Tue Oct 28 22:09:12 CET 2003 [EMAIL PROTECTED]:/mnt2/obj/usr/src51/src/sys/FILES Preloaded elf kernel "/boot/kernel/kernel" at 0xc04b60

Re: Fatal trap 1: privileged instruction fault while in kernel mode

1999-04-03 Thread Greg Lehey
On Sunday, 4 April 1999 at 15:09:48 +1000, Stephen McKay wrote: > On Sunday, 4th April 1999, Greg Lehey wrote: > >> On Sunday, 4 April 1999 at 1:57:50 +1000, Stephen McKay wrote: >>> I've just got what seems an unlikely panic. How could I get a privileged >>> instruction fault while in kernel m

Re: Fatal trap 1: privileged instruction fault while in kernel mode

1999-04-03 Thread Greg Lehey
On Sunday, 4 April 1999 at 1:57:50 +1000, Stephen McKay wrote: > I've just got what seems an unlikely panic. How could I get a privileged > instruction fault while in kernel mode? Sounds like a hardware (processor) problem to me. What was the instruction it was trying to execute? Greg -- See

Fatal trap 1: privileged instruction fault while in kernel mode

1999-04-03 Thread Stephen McKay
cstr: from debugger panic messages: --- Fatal trap 1: privileged instruction fault while in kernel mode instruction pointer = 0x8:0xc016abc9 stack pointer = 0x10:0xc30a6c20 frame pointer = 0x10:0xc30a6c54 code segment= base 0x0, limit 0xf,