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[LDM #NET-131221]: LDM is crashing my machine
- Subject: [LDM #NET-131221]: LDM is crashing my machine
- Date: Mon, 11 Feb 2008 08:42:52 -0700
Gilbert,
It seems likely that the problem with the kernel is causing
the problem with the LDM (rather than the other way around).
I've asked our O/S expert to weigh-in. In the meantime, you
might think of anything you've done that could cause the O/S
to become unstable.
--Steve
> Getting a kernel "oops" every other day or so. Look at the process:
>
> Feb 10 14:52:31 weather kernel: BUG: unable to handle kernel paging
> request at virtual address ffafef40
> Feb 10 14:52:31 weather kernel: printing eip:
> Feb 10 14:52:31 weather kernel: c046241b
> Feb 10 14:52:31 weather kernel: *pde = 00005067
> Feb 10 14:52:31 weather kernel: *pte = 00000000
> Feb 10 14:52:31 weather kernel: Oops: 0000 [#1]
> Feb 10 14:52:31 weather kernel: SMP
> Feb 10 14:52:31 weather kernel: Modules linked in: autofs4 hidp rfcomm
> l2cap bluetooth sunrpc dm_multipath video output sbs battery ac ipv6
> kvm_intel kvm snd_hda_intel snd_emu10$
> Feb 10 14:52:31 weather kernel: CPU: 1
> Feb 10 14:52:31 weather kernel: EIP: 0060:[<c046241b>] Not tainted
> VLI
> Feb 10 14:52:31 weather kernel: EFLAGS: 00210282 (2.6.23.14-78.fc7 #1)
> Feb 10 14:52:31 weather kernel: EIP is at sync_page+0x27/0x41
> Feb 10 14:52:31 weather kernel: eax: 8000007d ebx: f4016dd8 ecx:
> c2129020 edx: ffafef08
> Feb 10 14:52:31 weather kernel: esi: f4016dd8 edi: c3008bb4 ebp:
> c04623f4 esp: f4016dbc
> Feb 10 14:52:31 weather kernel: ds: 007b es: 007b fs: 00d8 gs: 0033
> ss: 0068
> Feb 10 14:52:31 weather kernel: Process rpc.ldmd (pid: 25871, ti=f4016000
> task=de838610 task.ti=f4016000)
> Feb 10 14:52:31 weather kernel: Stack: c061bdd2 f4016dd8 c2129020 f4016df4
> 00048005 c04623e6 00000002 c2129020
> Feb 10 14:52:31 weather kernel: 00000000 00000001 de838610 c043d402
> c3008bb8 c3008bb8 f7afef18 f7afef08
> Feb 10 14:52:31 weather kernel: c04624b2 00000000 f7afee00 ffffffe5
> 00000000 c0479890 de83865c c04f32cf
> Feb 10 14:52:31 weather kernel: Call Trace:
> Feb 10 14:52:31 weather kernel: [<c061bdd2>] __wait_on_bit_lock+0x2a/0x52
> Feb 10 14:52:31 weather kernel: [<c04623e6>] __lock_page+0x58/0x5e
> Feb 10 14:52:31 weather kernel: [<c043d402>] wake_bit_function+0x0/0x3c
> Feb 10 14:52:31 weather kernel: [<c04624b2>] find_lock_page+0x5a/0x90
> Feb 10 14:52:31 weather kernel: [<c0479890>] shmem_getpage+0x59/0x5ae
> Feb 10 14:52:31 weather kernel: [<c04f32cf>] rb_erase+0x176/0x22f
> Feb 10 14:52:31 weather kernel: [<c046625d>]
> get_page_from_freelist+0x25d/0x2db
> Feb 10 14:52:31 weather kernel: [<c0479eb3>] shmem_fault+0x65/0x95
> Feb 10 14:52:31 weather kernel: [<c046c3a4>] __do_fault+0x59/0x394
> Feb 10 14:52:31 weather kernel: [<c046ea26>] handle_mm_fault+0x3a0/0x78b
> Feb 10 14:52:31 weather kernel: [<c046a9fa>]
> vma_prio_tree_insert+0x17/0x2a
> Feb 10 14:52:31 weather kernel: [<c0471891>] mmap_region+0x31c/0x3d8
> Feb 10 14:52:31 weather kernel: [<c061e434>] do_page_fault+0x26a/0x5ef
> Feb 10 14:52:31 weather kernel: [<c0458fd2>]
> audit_syscall_exit+0x2aa/0x2c6
> Feb 10 14:52:31 weather kernel: [<c061e1ca>] do_page_fault+0x0/0x5ef
> Feb 10 14:52:31 weather kernel: [<c061ceb2>] error_code+0x72/0x78
> Feb 10 14:52:31 weather kernel: [<c0610000>] xfrm_netlink_rcv+0x2a/0x38
> Feb 10 14:52:31 weather kernel: =======================
> Feb 10 14:52:31 weather kernel: Code: 00 31 c0 c3 89 c1 0f ae f0 89 f6 8b
> 50 10 8b 00 66 85 c0 79 07 ba 40 0d 70 c0 eb 0f 8b 01 84 c0 78 1b f6 c2 01
> 75 16 85 d2 74 12 <8b> 42 38$
> Feb 10 14:52:31 weather kernel: EIP: [<c046241b>] sync_page+0x27/0x41
> SS:ESP 0068:f4016dbc
>
>
> --------------------------------------------------------------------------
> This was in my ldmd.log:
>
> Feb 10 14:52:31 weather rpc.ldmd[3250] NOTE: child 25871 terminated by
> signal 11
> Feb 10 14:52:31 weather rpc.ldmd[3250] NOTE: Killing (SIGTERM) process
> group
> Feb 10 14:52:31 weather rpc.ldmd[3250] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3304] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3257] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3254] NOTE: Exiting
> Feb 10 14:52:31 weather weather3.ca.uky.edu(feed)[30532] ERROR: Couldn't
> flush connection; nullproc_6() failure to weather3.ca.uky.edu: RPC: Unable
> to receive; errno = Bad file $
> Feb 10 14:52:31 weather pqact[3255] NOTE: Exiting
> Feb 10 14:52:31 weather weather2.admin.niu.edu[3264] NOTE: Exiting
> Feb 10 14:52:31 weather weather2.admin.niu.edu[3263] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3260] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3261] NOTE: Exiting
> Feb 10 14:52:31 weather pqsurf[3262] NOTE: Exiting
> Feb 10 14:52:31 weather weather3.admin.niu.edu[3272] NOTE: Exiting
> Feb 10 14:52:31 weather idd.unidata.ucar.edu[3271] NOTE: Exiting
> Feb 10 14:52:31 weather flood-1.atmos.uiuc.edu[3269] NOTE: Exiting
> Feb 10 14:52:31 weather idd.unidata.ucar.edu[3268] NOTE: Exiting
> Feb 10 14:52:31 weather bigbird.tamu.edu[3267] NOTE: Exiting
> Feb 10 14:52:31 weather idd.aos.wisc.edu[3266] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3259] NOTE: Exiting
> Feb 10 14:52:31 weather weather2.admin.niu.edu[3270] NOTE: Exiting
> Feb 10 14:52:31 weather pqact[3256] NOTE: Exiting
> Feb 10 14:52:31 weather weather3.admin.niu.edu[3265] NOTE: Exiting
> Feb 10 14:52:31 weather rtstats[3252] NOTE: Exiting
> Feb 10 14:52:31 weather rpc.ldmd[3250] NOTE: Terminating process group
> Feb 10 14:52:31 weather pqact[3304] NOTE: Behind by 5.61988 s
> Feb 10 14:52:31 weather pqact[3254] NOTE: Behind by 0.102237 s
> Feb 10 14:52:31 weather pqact[3257] NOTE: Behind by 0.103043 s
> Feb 10 14:52:31 weather weather3.ca.uky.edu(feed)[30532] NOTE: Exiting
>
>
> ------------------------------------------------------------------------------
> And what is process 25871?
>
> Feb 10 10:06:03 weather weather3.ca.uky.edu(feed)[25871] NOTE: Starting
> Up(6.7.0.0/6): 20080210145648.656 TS_ENDT {{UNIWISC, ".*"}},
> SIG=47b727221f2679fd6ef0ca5876ce080c, Primary
>
> *******************************************************************************
> Gilbert Sebenste ********
> (My opinions only!) ******
> Staff Meteorologist, Northern Illinois University ****
> E-mail: address@hidden ***
> web: http://weather.admin.niu.edu **
> *******************************************************************************
>
>
Regards,
Steve Emmerson
Ticket Details
===================
Ticket ID: NET-131221
Department: Support LDM
Priority: Normal
Status: Closed