---- On Sat, 09 Jul 2016 18:19:57 -0700 Andrey Chernov <a...@freebsd.org>
wrote ----
> BTW, it never happens with 11-ALPHA3 even with world build for 12.
>
> On 09.07.2016 22:06, Andrey Chernov wrote:
> > SCHED_ULE used. I have textdump only. Interesting parts:
> > <118>Starting syslogd.
> > kernel trap 9 with interrupts disabled
> >
> > Fatal trap 9: general protection fault while in kernel mode
> > cpuid = 7; apic id = 07
> > instruction pointer = 0x20:0xffffffff806b2585
> > stack pointer = 0x28:0xfffffe022ccce8d0
> > frame pointer = 0x28:0xfffffe022ccce950
> > code segment = base 0x0, limit 0xfffff, type 0x1b
> > = DPL 0, pres 1, long 1, def32 0, gran 1
> > processor eflags = resume, IOPL = 0
> > current process = 10 (idle: cpu7)
> >
> > It happens at amd64/amd64/cpu_switch.S:ld_ldt: lldt %ax
> >
> > db> bt
> >
> > Tracing pid 10 tid 100009 td 0xfffff80002292000
> > ld_ldt() at ld_ldt/frame 0xfffffe022ccce8e0
> > sched_switch() at sched_switch+0x51d/frame 0xfffffe022ccce950
> > mi_switch() at mi_switch+0x156/frame 0xfffffe022ccce980
> > sched_idletd() at sched_idletd+0xf9/frame 0xfffffe022cccea70
> > fork_exit() at fork_exit+0x84/frame 0xfffffe022ccceab0
> > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe022ccceab0
> > --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
Have their been no other stability issues on this machine? At first glance it
looks like the ldt got corrupted. Is there no way to inspect that?
-M
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