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Re: 3.1-rc4: spectacular kernel errors / filesystem crash

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: 3.1-rc4: spectacular kernel errors / filesystem crash
From: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
Date: Mon, 12 Sep 2011 20:59:38 -0700
Cc: linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, Alan Piszcz <ap@xxxxxxxxxxxxx>, NetDEV list <netdev@xxxxxxxxxxxxxxx>
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added netdev because it appears to start with an igb tx hang

On Sun, Sep 11, 2011 at 2:40 AM, Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> Hi,
>
> Over the past 24-48 hours I was running some CPU-intenstive jobs and there
> was heavy I/O on the RAID (9750-24i4e + a RAID6)..
>
> I believe most of the problem started when I included many kernel options as
> modules (before I only compiled in [*] the drivers I used), there appears to
> have something to gone awry in the kernel and then afterwards, disks started
> going in and out, XFS shut down, etcera.
>
> I'm opening a case with LSI to see what happened with the 3ware card;
> however, after a power cycle, everything came back OK (the drives and HW) is
> physically OK, it is rebuilding onto those two drives with CFG-OP-FAIL but
> other than that, everything 'seems' OK, still need to do an fsck.
>
> Something went wrong in the kernel and caused a cascading effect of errors,
> this occurred (I believe) when I started to run a lot of encoding jobs;
> however, I was doing a lot of data transfer for the past 24-48 hours on the
> RAID array, the system (separate SSD/EXT4) remained unaffected but other
> weird stuff happened as well..
>
> I still see these in the logs as well after the reboot (not often; but e.g.,
> the RAID controller is rebuilding from the two drives with CFG-OPT-FAIL (the
> physical drives are 100% healthy):
>
> [ 1062.925904] 3w-sas 0000:83:00.0: vpd r/w failed.  This is likely a
> firmware bug on this device.  Contact the card vendor for a firmware update.
>
> So, my plan:
>
> 1. Report this error to LKML+XFS mailing lists.
> 2. Open case with LSI support.
> 3. Recompile the kernel how I used for many years [only compile in options
>   that you need [*] and do not compile drivers as modules]
> 4. Reboot Linux systems and see if this recurs again under the same
>   workload, after the RAID is done rebuilding.
>
> --
>
> So these errors are quite long, will upload to HTTP and paste the relevant
> bits below.
>
> --
>
> URLs for FULL logs:
>
> 1. tw_cli /cX show diag:
>   http://home.comcast.net/~jpiszcz/20110911/show_diag.txt
>
> 2. Full kernel log (and previous morning of kernel crash)
>   http://home.comcast.net/~jpiszcz/20110911/kern.log.txt
>
> 3. tw_cli /cX show all
>   http://home.comcast.net/~jpiszcz/20110911/cfg-fail.txt
>
> --
>
> Summary (what seems to have occurred, have not done a full analysis yet)
>
> 1. 3ware card freaked out due to kernel/RCU/APIC(?) errors
>
> 2. Then, the time source went unstable (this happens with weird kernel bugs
>   on many different hosts, I have seen this over time).
>
> 3. Then, on the 3ward carde, drives started leaving and being re-inserted
>   by themsevles, XFS went off-line to protect the filesystem due to the
>   3ware issues
>
> --
>
> 3ware/RAID-- Interesting errors:
>
> I've never seen this before on a 3ware RAID controller, at least from what
> I can remember and I've been using 3ware cards for many years..
>
> p2    CFG-OP-FAIL    -    2.73 TB   SATA  2   -            Hitachi
> HDS723030AL p3    CFG-OP-FAIL    -    2.73 TB   SATA  3   -
>  Hitachi HDS723030AL
>
> --
>
> Kernel/ERRORS:
>
> FWIW it all seem to start during an encoding job around 21:00:
>
> Sep 10 18:00:00 p34 kernel: [520427.143054] ixgbe 0000:03:00.0: eth6: NIC
> Link is Down
> Sep 10 19:20:04 p34 kernel: [525223.256098] 3w-sas: scsi1: AEN: INFO
> (0x04:0x002B): Verify completed:unit=0.
> Sep 10 20:59:39 p34 kernel: [531189.671361] ------------[ cut here
> ]------------
> Sep 10 20:59:39 p34 kernel: [531189.671376] WARNING: at
> net/sched/sch_generic.c:255 dev_watchdog+0x23f/0x250()
> Sep 10 20:59:39 p34 kernel: [531189.671378] Hardware name: X8DTH-i/6/iF/6F
> Sep 10 20:59:39 p34 kernel: [531189.671380] NETDEV WATCHDOG: eth1 (igb):
> transmit queue 5 timed out
> Sep 10 20:59:39 p34 kernel: [531189.671382] Modules linked in: dm_mod
> tcp_diag parport_pc ppdev lp parport inet_diag pl2303 ftdi_sio snd_usb_audio
> snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_usbmidi_lib
> snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event
> snd_seq snd_timer snd_seq_device snd soundcore ub cdc_acm usbserial joydev
> serio_raw nouveau ttm drm_kms_helper drm agpgart i2c_algo_bit mxm_wmi wmi
> i7core_edac edac_core video
> Sep 10 20:59:39 p34 kernel: [531189.671414] Pid: 83, comm: ksoftirqd/19 Not
> tainted 3.1.0-rc4 #1
> Sep 10 20:59:39 p34 kernel: [531189.671415] Call Trace:
> Sep 10 20:59:39 p34 kernel: [531189.671424]  [<ffffffff810379ba>]
> warn_slowpath_common+0x7a/0xb0
> Sep 10 20:59:39 p34 kernel: [531189.671427]  [<ffffffff81037a91>]
> warn_slowpath_fmt+0x41/0x50
> Sep 10 20:59:39 p34 kernel: [531189.671433]  [<ffffffff815d7874>] ?
> schedule+0x2e4/0x950
> Sep 10 20:59:39 p34 kernel: [531189.671436]  [<ffffffff814e5aff>]
> dev_watchdog+0x23f/0x250
> Sep 10 20:59:39 p34 kernel: [531189.671440]  [<ffffffff81043872>]
> run_timer_softirq+0xf2/0x220
> Sep 10 20:59:39 p34 kernel: [531189.671443]  [<ffffffff814e58c0>] ?
> qdisc_reset+0x50/0x50
> Sep 10 20:59:39 p34 kernel: [531189.671446]  [<ffffffff8103d208>]
> __do_softirq+0x98/0x120
> Sep 10 20:59:39 p34 kernel: [531189.671448]  [<ffffffff8103d345>]
> run_ksoftirqd+0xb5/0x160
> Sep 10 20:59:39 p34 kernel: [531189.671454]  [<ffffffff8103d290>] ?
> __do_softirq+0x120/0x120
> Sep 10 20:59:39 p34 kernel: [531189.671458]  [<ffffffff810523b7>]
> kthread+0x87/0x90
> Sep 10 20:59:39 p34 kernel: [531189.671462]  [<ffffffff815dbdb4>]
> kernel_thread_helper+0x4/0x10
> Sep 10 20:59:39 p34 kernel: [531189.671465]  [<ffffffff81052330>] ?
> kthread_worker_fn+0x130/0x130
> Sep 10 20:59:39 p34 kernel: [531189.671467]  [<ffffffff815dbdb0>] ?
> gs_change+0xb/0xb
> Sep 10 20:59:39 p34 kernel: [531189.671468] ---[ end trace 553dfe731fce91ba
> ]---
> Sep 10 20:59:39 p34 kernel: [531189.671478] igb 0000:01:00.1: eth1: Reset
> adapter
> Sep 10 20:59:42 p34 kernel: [531192.826058] igb: eth1 NIC Link is Up 1000
> Mbps Full Duplex, Flow Control: RX/TX
> Sep 10 21:00:00 p34 kernel: [531210.034506] BUG: soft lockup - CPU#0 stuck
> for 22s! [kswapd0:947]
>
> --
>
> URLs for FULL logs:
>
> 1. tw_cli /cX show diag:
>   http://home.comcast.net/~jpiszcz/20110911/show_diag.txt
>
> 2. Full kernel log (and previous morning of kernel crash)
>   http://home.comcast.net/~jpiszcz/20110911/kern.log.txt
>
> 3. tw_cli /cX show all
>   http://home.comcast.net/~jpiszcz/20110911/cfg-fail.txt
>
> --
>
> Currently...
>
> After all of this happened, I stopped all I/O on the system/all processes,
> etc
> I shutdown the host, removed the power, powered it back up, now the drives
> that showed CFG-OP-FAIL before now show as REBUILDING, I am waiting for them
> to rebuild before doing anything else.
>
> Justin.
>
>
> --
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