On 10.07.2016 4:30, Matthew Macy wrote: > > > > ---- 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?
It seems something wrong happens during incremental kernel update from 11-ALPLA3 to 12, i.e. some old kernel parts affects it. I clean all object and include files and rebuild the kernel from scratch and this panic is gone. Sorry for the noise, I should do it before reporting :( _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
