Date: Sun, 10 Jul 2016 04:19:57 +0300 From: Andrey Chernov <ache@freebsd.org> To: "current@freebsd.org" <current@FreeBSD.org> Subject: Re: Recent -current stable panic at later boot stage Message-ID: <8c432d68-a3c8-2f39-8429-f1fe920d002b@freebsd.org> In-Reply-To: <378f847e-3257-19f0-2cf8-cd6319db5e06@freebsd.org> References: <378f847e-3257-19f0-2cf8-cd6319db5e06@freebsd.org>
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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 --- >
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