Date: Thu, 8 Mar 2007 14:13:01 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Michal Mertl <mime@traveller.cz> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Kernel panic - page fault in inodedep_find Message-ID: <20070308121301.GR10453@deviant.kiev.zoral.com.ua> In-Reply-To: <1173353693.1523.7.camel@genius.i.cz> References: <1173353693.1523.7.camel@genius.i.cz>
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--lG9v85r552aFjg4G Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 08, 2007 at 12:34:53PM +0100, Michal Mertl wrote: > For a couple of days I am getting panics/freezes with GENERIC kernel (~2 > days old as well as up-to-date CURRENT). The trace (when I get a chance > to see it and when dump works) is attached. I have got crash dump so can > provide more details as required. >=20 > The panic seem to be provoked by heavier disk activity (running cvsup or > similar). >=20 > The machine is AMD64 SMP. >=20 > Thanks >=20 > Michal >=20 >=20 > Fatal trap 12: page fault while in kernel mode > cpuid =3D 1; apic id =3D 01 > fault virtual address =3D 0x50 > fault code =3D supervisor read data, page not present > instruction pointer =3D 0x8:0xffffffff8059c175 > stack pointer =3D 0x10:0xffffffffaf6b8380 > frame pointer =3D 0x10:0xffffffffaf6b8390 > code segment =3D base 0x0, limit 0xfffff, type 0x1b > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > current process =3D 1194 (cvs) > trap number =3D 12 > panic: page fault > cpuid =3D 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x3a > panic() at panic+0x22f > trap_fatal() at trap_fatal+0x2a9 > trap_pfault() at trap_pfault+0x235 > trap() at trap+0x22e > calltrap() at calltrap+0x8 > --- trap 0xc, rip =3D 0xffffffff8059c175, rsp =3D 0xffffffffaf6b8380, rbp= =3D > 0xffffffffaf6b8390 --- > inodedep_find() at inodedep_find+0x12 > inodedep_lookup() at inodedep_lookup+0x81 > softdep_setup_inomapdep() at softdep_setup_inomapdep+0x48 > ffs_nodealloccg() at ffs_nodealloccg+0x3a6 > ffs_hashalloc() at ffs_hashalloc+0x62 > ffs_valloc() at ffs_valloc+0xde > ufs_makeinode() at ufs_makeinode+0x6b > ufs_create() at ufs_create+0x28 > VOP_CREATE_APV() at VOP_CREATE_APV+0x72 > vn_open_cred() at vn_open_cred+0x4b1 > kern_open() at kern_open+0x101 > syscall() at syscall+0x1f0 > Xfast_syscall() at Xfast_syscall+0xab > --- syscall (5, FreeBSD ELF64, open), rip =3D 0x8013b8c7c, rsp =3D > 0x7fffffffe0a8, rbp =3D 0x10 --- > Uptime: 1m40s > Physical memory: 2034 MB > Dumping 213 MB: 198 182 166 150 134 118 102 86 70 54 38 22 6 >=20 >=20 > -------------------------- >=20 > #0 doadump () at pcpu.h:141 > 141 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) bt > #0 doadump () at pcpu.h:141 > #1 0xffffffff80438920 in boot (howto=3D260) > at ../../../kern/kern_shutdown.c:409 > #2 0xffffffff804383b7 in panic (fmt=3D0xffffffff80690d22 "%s") > at ../../../kern/kern_shutdown.c:563 > #3 0xffffffff8063ebc9 in trap_fatal (frame=3D0xc, > eva=3D18446742975751987856) at ../../../amd64/amd64/trap.c:696 > #4 0xffffffff8063ef39 in trap_pfault (frame=3D0xffffffffaf6b82d0, > usermode=3D0) at ../../../amd64/amd64/trap.c:614 > #5 0xffffffff8063f16e in trap (frame=3D0xffffffffaf6b82d0) > at ../../../amd64/amd64/trap.c:382 > #6 0xffffffff806278ee in calltrap () > at ../../../amd64/amd64/exception.S:169 > #7 0xffffffff8059c175 in inodedep_find (inodedephd=3D0xffffffff8106d660, > fs=3D0xffffff0061a4d800, inum=3D168358, inodedeppp=3D0xffff ffffaf6b83e0) > at ../../../ufs/ffs/ffs_softdep.c:1246 Please, from this frame (#7) do p/x *inodedep p/x *inodedephd --lG9v85r552aFjg4G Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFF7/3NC3+MBN1Mb4gRAjF1AKDtW7qBuHaGOgyPNvEcODcQ1uqDWACg8X7w lbbGpY5sdpY8/rjlVN5zT4M= =nw5i -----END PGP SIGNATURE----- --lG9v85r552aFjg4G--
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