Date: Fri, 23 Jan 2015 12:51:00 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org Subject: Re: panic in pmap_remove_pages() Message-ID: <20150123105100.GH42409@kib.kiev.ua> In-Reply-To: <20150121214706.GA912@troutmask.apl.washington.edu> References: <20150121214706.GA912@troutmask.apl.washington.edu>
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On Wed, Jan 21, 2015 at 01:47:06PM -0800, Steve Kargl wrote: > Just got this panic. If anyone is interested I have the > kenrel and core, so can do some additional poking around. > > troutmask.apl.washington.edu dumped core - see /var/crash/vmcore.0 > > Wed Jan 21 13:28:04 PST 2015 > > FreeBSD troutmask.apl.washington.edu 11.0-CURRENT FreeBSD 11.0-CURRENT #7 r276378M: Mon Dec 29 14:13:57 PST 2014 kargl@troutmask.apl.washington.edu:/data/obj/usr/src/sys/SPEW amd64 > > panic: general protection fault > > Unread portion of the kernel message buffer: > > Fatal trap 9: general protection fault while in kernel mode > cpuid = 3; apic id = 13 > instruction pointer = 0x20:0xffffffff8079abf9 > stack pointer = 0x28:0xfffffe047325e360 > frame pointer = 0x28:0xfffffe047325e440 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 41779 (z) > trap number = 9 > panic: general protection fault > cpuid = 3 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe047325e020 > panic() at panic+0x1c1/frame 0xfffffe047325e0e0 > trap_fatal() at trap_fatal+0x396/frame 0xfffffe047325e140 > trap() at trap+0x6ce/frame 0xfffffe047325e2a0 > calltrap() at calltrap+0x8/frame 0xfffffe047325e2a0 > --- trap 0x9, rip = 0xffffffff8079abf9, rsp = 0xfffffe047325e360, rbp = 0xfffffe047325e440 --- > pmap_remove_pages() at pmap_remove_pages+0x539/frame 0xfffffe047325e440 > exec_new_vmspace() at exec_new_vmspace+0x180/frame 0xfffffe047325e4a0 > exec_elf64_imgact() at exec_elf64_imgact+0x6c0/frame 0xfffffe047325e570 > kern_execve() at kern_execve+0x484/frame 0xfffffe047325e8c0 > sys_execve() at sys_execve+0x35/frame 0xfffffe047325e920 > amd64_syscall() at amd64_syscall+0x289/frame 0xfffffe047325ea30 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe047325ea30 > --- syscall (59, FreeBSD ELF64, sys_execve), rip = 0x4251ba, rsp = 0x7ffffe8ebab8, rbp = 0x7ffffe8ec1c0 --- > Uptime: 22d22h22m46s > > #0 doadump (textdump=1) at pcpu.h:219 > 219 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) #0 doadump (textdump=1) at pcpu.h:219 > #1 0xffffffff80555bd7 in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:447 > #2 0xffffffff80556040 in panic (fmt=<value optimized out>) > at /usr/src/sys/kern/kern_shutdown.c:746 > #3 0xffffffff807a2986 in trap_fatal (frame=<value optimized out>, > eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:867 > #4 0xffffffff807a25de in trap (frame=<value optimized out>) > at /usr/src/sys/amd64/amd64/trap.c:201 > #5 0xffffffff80787ca3 in calltrap () > at /usr/src/sys/amd64/amd64/exception.S:235 > #6 0xffffffff8079abf9 in pmap_remove_pages (pmap=0xfffff801c627dec8) > at /usr/src/sys/amd64/amd64/pmap.c:5389 Please do 'frame 6' and from there, do 'p *m'. Is it reproducable ? > #7 0xffffffff8051fa00 in exec_new_vmspace (imgp=0xfffffe047325e6e0, > sv=0xffffffff80b3e8e8) at /usr/src/sys/kern/kern_exec.c:1036 > #8 0xffffffff804fed20 in exec_elf64_imgact (imgp=0xfffffe047325e6e0) > at /usr/src/sys/kern/imgact_elf.c:830 > #9 0xffffffff8051e4f4 in kern_execve (td=0xfffff8027588f490, > args=0xfffffe047325e8d8, mac_p=0x1da) at /usr/src/sys/kern/kern_exec.c:486 > #10 0xffffffff8051de15 in sys_execve (td=<value optimized out>, > uap=<value optimized out>) at /usr/src/sys/kern/kern_exec.c:210 > #11 0xffffffff807a3199 in amd64_syscall (td=0xfffff8027588f490, traced=0) > at subr_syscall.c:133 > #12 0xffffffff80787f8b in Xfast_syscall () > at /usr/src/sys/amd64/amd64/exception.S:395 > #13 0x00000000004251ba in ?? () > > -- > Steve > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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