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Re: xfs Warnings in syslog

To: Jeff Liu <jeff.liu@xxxxxxxxxx>
Subject: Re: xfs Warnings in syslog
From: Andrey Korolyov <andrey@xxxxxxx>
Date: Tue, 22 Oct 2013 13:36:56 +0100
Cc: Niklas Goerke <niklas@xxxxxxxxxxxxxxx>, ceph-devel <ceph-devel@xxxxxxxxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
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In-reply-to: <52666FA8.4050101@xxxxxxxxxx>
References: <049e1508cbb35ecf7b38ea2dadddc6ec@xxxxxxxxxxxxxxx> <52666FA8.4050101@xxxxxxxxxx>
Just my two cents:

XFS is a quite unstable with Ceph especially along with heavy CPU
usage up to 3.7(primarily soft lockups). I used 3.7 for eight months
before upgrade on production system and it performs just perfectly.

On Tue, Oct 22, 2013 at 1:29 PM, Jeff Liu <jeff.liu@xxxxxxxxxx> wrote:
> Hello,
>
> So It's better to add XFS mailing list to the CC-list. :)
>
> I think this issue has been fixed by upstream commits:
>
> From ff9a28f6c25d18a635abcab1f49db68108203dfb
> From: Jan Kara <jack@xxxxxxx>
> Date: Thu, 14 Mar 2013 14:30:54 +0100
> Subject: [PATCH 1/1] xfs: Fix WARN_ON(delalloc) in xfs_vm_releasepage()
>
>
> Thanks,
> -Jeff
>
> On 10/22/2013 07:46 PM, Niklas Goerke wrote:
>
>> Hi
>>
>> My syslog and dmesg are being filled with the Warnings attached.
>> Looking at todays syslog I got up to 1101 of these warnings in the time
>> from 10:50 to 11:13 (and only in that time, else the log was clean). I
>> found them on all four of my OSD hosts, all at about the same time.
>> I'm running kernel 3.2.0-4-amd64 on a debian 7.0. Ceph is on version
>> 0.67.4. I have got 15 OSDs per OSD Host.
>>
>> Ceph does not really seem to care about this, so I'm not sure what it is
>> all aboutâ
>> Still they are warnings in syslog and I hope you guys can tell me what
>> went wrong here and what I can do about it?
>>
>> Thank you
>> Niklas
>>
>>
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388018] ------------[ cut
>> here ]------------
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388030] WARNING: at
>> /build/linux-s5x2oE/linux-3.2.46/fs/xfs/xfs_aops.c:1091
>> xfs_vm_releasepage+0x76/0x8e [xfs]()
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388034] Hardware name:
>> X9DR3-F
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388036] Modules linked in:
>> xfs autofs4 nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc ext3 jbd
>> loop acpi_cpufreq mperf coretemp crc32c_intel ghash_clmulni_intel
>> snd_pcm aesni_intel snd_page_alloc aes_x86_64 snd_timer aes_generic s
>> nd cryptd soundcore pcspkr sb_edac joydev evdev edac_core iTCO_wdt
>> i2c_i801 iTCO_vendor_support i2c_core ioatdma processor thermal_sys
>> container button ext4 crc16 jbd2 mbcache usbhid hid ses enclosure sg
>> sd_mod crc_t10dif megaraid_sas ehci_hcd usbcore isci libsas usb_common liba
>> ta ixgbe mdio scsi_transport_sas scsi_mod igb dca [last unloaded:
>> scsi_wait_scan]
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388093] Pid: 3459605,
>> comm: ceph-osd Tainted: G        W    3.2.0-4-amd64 #1 Debian 3.2.46-1
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388096] Call Trace:
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388102]
>> [<ffffffff81046b75>] ? warn_slowpath_common+0x78/0x8c
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388115]
>> [<ffffffffa048b98c>] ? xfs_vm_releasepage+0x76/0x8e [xfs]
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388122]
>> [<ffffffff810bedc5>] ? invalidate_inode_page+0x5e/0x80
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388129]
>> [<ffffffff810bee5d>] ? invalidate_mapping_pages+0x76/0x102
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388135]
>> [<ffffffff810b7b83>] ? sys_fadvise64_64+0x19f/0x1e2
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388140]
>> [<ffffffff81353b52>] ? system_call_fastpath+0x16/0x1b
>> Oct 22 11:11:19 cs-bigfoot06 kernel: [9744648.388144] ---[ end trace
>> e9640ed6f82f066d ]---
>> --
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>
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