On Fri, Aug 07, 2009 at 04:37:07PM +0400, pluknet wrote: > 2009/8/7 Kostik Belousov <kostik...@gmail.com>: > > On Fri, Aug 07, 2009 at 03:37:11PM +0400, pluknet wrote: > >> This is on 7.2-R amd64. > >> > >> I'm curious if it might be due to glusterfs on it. > >> > >> Fatal trap 12: page fault while in kernel mode > >> cpuid = 3; apic id = 03 > >> fault virtual address = 0x0 > >> fault code = supervisor write data, page not present > >> instruction pointer = 0x8:0xffffffff805a52ba > >> stack pointer = 0x10:0xfffffffefc3474a0 > >> frame pointer = 0x10:0xfffffffefc347510 > >> code segment = base 0x0, limit 0xfffff, type > >> = DPL 0, pres 1, long 1, def32 0, gran 1 > >> processor eflags = interrupt enabled, resume, IOPL = 0 > >> current process = 35425 (find) > >> > >> db> bt > >> Tracing pid 35425 tid 100194 td 0xffffff003c165370 > >> vgonel() at vgonel+0x1aa > >> vnlru_free() at vnlru_free+0x36c > >> getnewvnode() at getnewvnode+0x281 > >> ffs_vgetf() at ffs_vgetf+0xdf > >> ufs_lookup() at ufs_lookup+0x2dd > >> vfs_cache_lookup() at vfs_cache_lookup+0xf3 > >> VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0x40 > >> lookup() at lookup+0x598 > >> namei() at namei+0x33e > >> kern_lstat() at kern_lstat+0x5e > >> lstat() at lstat+0x2a > >> syscall() at syscall+0x256 > >> Xfast_syscall() at Xfast_syscall+0xab > >> --- syscall (190, FreeBSD ELF64, lstat), rip = 0x80071063c, rsp = > >> 0x7fffffffea48, rbp = 0x800a06910 --- > > > > Did you got the vmcore ? If yes, please find the value for vgonel() > > argument, vp, and print the vnode content. > > I didn't. Same problem as in my another mail. :( > > > > > Regardless of this, look up the source line for vgonel+0x1aa. > > > > I could resolve only address which belongs to instruction pointer > = 0x8:0xffffffff805a52ba > (eh, I don't know if I should sum these numbers, so I did this for both > cases): > > dev2# addr2line -e /boot/kernel/kernel.symbols 0xffffffff805a52ba > /usr/src/sys/kern/vfs_subr.c:979 > delmntque(): TAILQ_REMOVE(&mp->mnt_nvnodelist, vp, v_nmntvnodes); > > dev2# addr2line -e /boot/kernel/kernel.symbols 0xffffffff805a52c2 > /usr/src/sys/kern/vfs_subr.c:981 > delmntque(): MNT_REL(mp);
load kernel.debug into gdb, and then do "list *(vgonel+0x1aa)"
pgpXkzFnQ7IWj.pgp
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