Date: Mon, 27 Jul 2009 23:33:56 +0200 From: Juergen Unger <lists@jpru.de> To: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: zfs: Fatal trap 12: page fault while in kernel mode Message-ID: <20090727213355.GA37551@jpru.ffm.jpru.de> In-Reply-To: <4A6E06E6.9030300@mail.zedat.fu-berlin.de> References: <20090727072503.GA52309@jpru.ffm.jpru.de> <4A6E06E6.9030300@mail.zedat.fu-berlin.de>
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Hi, On Mon, Jul 27, 2009 at 09:58:30PM +0200, O. Hartmann wrote: [...] > >> db> bt > >> Tracing pid 36 tid 100062 td 0x87166480 > >> _sx_xlock(3c,0,874aa28d,70f,8ae9a9f8,...) at _sx_xlock+0x43 > >> dmu_buf_update_user(0,8ae9a9f8,0,0,0,...) at dmu_buf_update_user+0x35 > >> zfs_znode_dmu_fini(8ae9a9f8,874b312d,1114,110b,879ab000,...) at zfs_znode_dmu_f3 > >> zfs_freebsd_reclaim(fcd29c3c,1,0,8ec63754,fcd29c60,...) at zfs_freebsd_reclaim+0 > >> VOP_RECLAIM_APV(874b65a0,fcd29c3c,0,0,8ec637c8,...) at VOP_RECLAIM_APV+0xa5 > >> vgonel(8ec637c8,0,80c77037,386,0,...) at vgonel+0x1a4 > >> vnlru_free(80f2a0f0,0,80c77037,300,3e8,...) at vnlru_free+0x2d5 > >> vnlru_proc(0,fcd29d38,80c652bc,33e,871932a8,...) at vnlru_proc+0x80 > >> fork_exit(8090d960,0,fcd29d38) at fork_exit+0xb8 > >> fork_trampoline() at fork_trampoline+0x8 > >> --- trap 0, eip = 0, esp = 0xfcd29d70, ebp = 0 --- > >> db> > > I see a similar problem on two SMP boxes (is your SMP?), but in my case, > it seems not to be ZFS related although I also use ZFS as /home filesystem no real SMP, its only an old P4 with hyperthreading: > CPU: Intel(R) Pentium(R) 4 CPU 3.20GHz (3192.02-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf41 Stepping = 1 > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Features2=0x441d<SSE3,DTES64,MON,DS_CPL,CNXT-ID,xTPR> > AMD Features=0x100000<NX> > TSC: P-state invariant > real memory = 4294967296 (4096 MB) > avail memory = 3392716800 (3235 MB) > ACPI APIC Table: <FSC APIC > > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads Juergen -- ENOSIG
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