Date: Thu, 29 Sep 2011 15:51:53 +0300 From: Alexandr Kovalenko <alexandr.kovalenko@gmail.com> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: stable/9 r225827 i386 panic: vm_page_unwire: page 0xc2a38dc8's wire count is zero Message-ID: <CAJDksDQi1To_LYd63%2BZ2vhnKAXwRZzE7VVshsDAOW%2BM=_PzicA@mail.gmail.com> In-Reply-To: <20110929124837.GM1511@deviant.kiev.zoral.com.ua> References: <CAJDksDQF1cdzy55ApzAUVmTMQdqoDGPirtT-4YZge8QMjOoN_A@mail.gmail.com> <20110929123011.GK1511@deviant.kiev.zoral.com.ua> <CAJDksDRHihwL5RBcjx=CmFbE8OGMLTBk8UuB2xXYdAOi3kUVDw@mail.gmail.com> <20110929124837.GM1511@deviant.kiev.zoral.com.ua>
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2011/9/29 Kostik Belousov <kostikbel@gmail.com>:
> On Thu, Sep 29, 2011 at 03:47:19PM +0300, Alexandr Kovalenko wrote:
>> On Thu, Sep 29, 2011 at 3:30 PM, Kostik Belousov <kostikbel@gmail.com> w=
rote:
>> > On Thu, Sep 29, 2011 at 02:52:31PM +0300, Alexandr Kovalenko wrote:
>> >> Hello!
>> >>
>> >> I'm running 9.0-BETA3 (r225827) and now rebuilding all my 1215 ports
>> >> (I've upgraded from 8.2). I'm getting panic. Is it known
>> >> problem/already fixed somewhere?
>> >>
>> >> FreeBSD mile.xxx.ua 9.0-BETA3 FreeBSD 9.0-BETA3 #0 r225827: Wed Sep 2=
8
>> >> 17:11:17 EEST 2011 =A0 =A0 root@mile.xxx.ua:/usr/obj/usr/src/sys/mile=
-9
>> >> i386
>> >>
>> >> Unread portion of the kernel message buffer:
>> >> panic: vm_page_unwire: page 0xc2a38dc8's wire count is zero
>> >> cpuid =3D 1
>> >> Uptime: 16h6m53s
>> >> Physical memory: 1904 MB
>> >> Dumping 367 MB: 352 336 320 304 288 272 256 240 224 208 192 176 160
>> >> 144 128 112 96 80 64 48 32 16
>> >>
>> >> #0 =A0doadump (textdump=3D1) at pcpu.h:244
>> >> #1 =A00xc071e5cb in kern_reboot (howto=3D260)
>> >> =A0 =A0 at /usr/src/sys/kern/kern_shutdown.c:442
>> >> #2 =A00xc071e82b in panic (fmt=3DVariable "fmt" is not available.
>> >> ) at /usr/src/sys/kern/kern_shutdown.c:607
>> >> #3 =A00xc0966903 in vm_page_unwire (m=3D0xc2a38dc8, activate=3D0)
>> >> =A0 =A0 at /usr/src/sys/vm/vm_page.c:1905
>> > Please do "frame 2", then "p/x *m" and show the result.
>>
>> (kgdb) frame 2
> frame 3, sorry. "p/x *(struct vm_page *)0xc2a38dc8" will do it as well.
(kgdb) frame 3
#3 0xc0966903 in vm_page_unwire (m=3D0xc2a38dc8, activate=3D0) at
/usr/src/sys/vm/vm_page.c:1905
1905 panic("vm_page_unwire: page %p's wire count is
zero", m);
(kgdb) p/x *(struct vm_page *)0xc2a38dc8
$1 =3D {pageq =3D {tqe_next =3D 0xc2a38e10, tqe_prev =3D 0xc282a2b0}, listq=
=3D
{tqe_next =3D 0xc2a38e10, tqe_prev =3D 0xc282a2b8}, left =3D 0x0, right =3D
0x0, object =3D 0xc5725770, pindex =3D 0xbd3, phys_addr =3D 0x56a32000, md =
=3D
{pv_list =3D {tqh_first =3D 0xc3cc6418, tqh_last =3D 0xc3cc641c},
pat_mode =3D 0x6}, queue =3D 0x1, segind =3D 0x2, hold_count =3D 0x0,
order =3D 0xb, pool =3D 0x0, cow =3D 0x0, wire_count =3D 0x0, aflags =3D 0x=
3,
flags =3D 0x0, oflags =3D 0x0, act_count =3D 0x5, busy =3D 0x0, valid =3D 0=
xff,
dirty =3D 0xff}
>> #2 =A00xc071e82b in panic (fmt=3DVariable "fmt" is not available.) at
>> /usr/src/sys/kern/kern_shutdown.c:607
>> 607 =A0 =A0 =A0 =A0 =A0 =A0 kern_reboot(bootopt);
>> (kgdb) p/x *m
>> No symbol "m" in current context.
>>
>>
>> >> #4 =A00xc0796b80 in vfs_vmio_release (bp=3D0xde8bcbf4)
>> >> =A0 =A0 at /usr/src/sys/kern/vfs_bio.c:1638
>> >> #5 =A00xc0798813 in getnewbuf (vp=3D0xc6ea3550, slpflag=3D0, slptimeo=
=3D0,
>> >> =A0 =A0 size=3D16384, maxsize=3D16384, gbflags=3D0) at /usr/src/sys/k=
ern/vfs_bio.c:1949
>> >> #6 =A00xc0799f2a in getblk (vp=3D0xc6ea3550, blkno=3D2520, size=3D163=
84, slpflag=3D0,
>> >> =A0 =A0 slptimeo=3D0, flags=3DVariable "flags" is not available.
>> >> ) at /usr/src/sys/kern/vfs_bio.c:2788
>> >> #7 =A00xc079d49c in cluster_rbuild (vp=3D0xc6ea3550, filesize=3D44505=
088, lbn=3D2520,
>> >> =A0 =A0 blkno=3D1209440, size=3D16384, run=3DVariable "run" is not av=
ailable.
>> >> ) at /usr/src/sys/kern/vfs_cluster.c:332
>> >> #8 =A00xc079e145 in cluster_read (vp=3D0xc6ea3550, filesize=3D4450508=
8,
>> >> =A0 =A0 lblkno=3D2520, size=3D16384, cred=3D0x0, totread=3D1024, seqc=
ount=3D7,
>> >> =A0 =A0 bpp=3D0xf5824b60) at /usr/src/sys/kern/vfs_cluster.c:254
>> >> #9 =A00xc0934cf5 in ffs_read (ap=3D0xf5824bac)
>> >> =A0 =A0 at /usr/src/sys/ufs/ffs/ffs_vnops.c:514
>> >> #10 0xc09ccb92 in VOP_READ_APV (vop=3D0xc0aa6a80, a=3D0xf5824bac)
>> >> =A0 =A0 at vnode_if.c:887
>> >> #11 0xc07c1120 in vn_read (fp=3D0xc5474508, uio=3D0xf5824c48,
>> >> =A0 =A0 active_cred=3D0xc56a4d80, flags=3D1, td=3D0xc5b76b80) at vnod=
e_if.h:384
>> >> #12 0xc076380e in dofileread (td=3D0xc5b76b80, fd=3D3, fp=3D0xc547450=
8,
>> >> =A0 =A0 auio=3D0xf5824c48, offset=3D41189376, flags=3D1) at file.h:25=
4
>> >> #13 0xc07639f5 in kern_preadv (td=3D0xc5b76b80, fd=3D3, auio=3D0xf582=
4c48,
>> >> =A0 =A0 offset=3D41189376) at /usr/src/sys/kern/sys_generic.c:288
>> >> #14 0xc0763b0d in sys_pread (td=3D0xc5b76b80, uap=3D0xf5824cec)
>> >> =A0 =A0 at /usr/src/sys/kern/sys_generic.c:189
>> >> #15 0xc09accf5 in syscall (frame=3D0xf5824d28) at subr_syscall.c:131
>> >> #16 0xc0996db1 in Xint0x80_syscall ()
>> >> =A0 =A0 at /usr/src/sys/i386/i386/exception.s:266
>> >> #17 0x00000033 in ?? ()
>> >> Previous frame inner to this frame (corrupt stack?)
>> >>
>> >> --
>> >> Alexandr Kovalenko
>> >> http://uafug.org.ua/
>> >> _______________________________________________
>> >> freebsd-stable@freebsd.org mailing list
>> >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
>> >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.=
org"
>> >
>>
>>
>>
>> --
>> Alexandr Kovalenko
>> http://uafug.org.ua/
>
--=20
Alexandr Kovalenko
http://uafug.org.ua/
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