From: DIXLOR <dixlor@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: rtmutex deadlock detected (3.18.19-rt15)
Date: Mon, 27 Jul 2015 00:22:02 +0300 [thread overview]
Message-ID: <55B54F7A.4030904@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1507262051430.18576@nanos>
26.07.2015 21:56, Thomas Gleixner пишет:
> On Sat, 25 Jul 2015, DIXLOR wrote:
>> # xfs_fsr;
>> ^C
>>
>> [ 3380.373641] WARNING: CPU: 6 PID: 3664 at kernel/locking/rtmutex.h:29
>> 0xffffffff814d4ea2()
>> [ 3380.373641] rtmutex deadlock detected
>> [ 3380.373645] Modules linked in: cpufreq_userspace cpufreq_powersave
>> cpufreq_conservative nct6775 hwmon_vid xhci_hcd usbcore iTCO_wdt
>> crct10dif_pclmul iTCO_vendor_support shpchp crc32c_intel i2c_i801 lpc_ich
>> i2c_core usb_common mfd_core button processor dm_mod raid1 ahci libahci fan
>> thermal thermal_sys [last unloaded: xhci_pci]
>> [ 3380.373646] CPU: 6 PID: 3664 Comm: xfs_fsr Tainted: G D 3.18.19-rt15
>> #3
>> [ 3380.373647] Hardware name: MSI MS-7823/B85M-G43 (MS-7823), BIOS V3.14B3
>> 06/23/2014
>> [ 3380.373647] 0000000000000000 0000000000000009 ffffffff814d1350
>> ffff8807ef65f538
>> [ 3380.373648] ffffffff810498dd ffff8807cf289d10 ffff8807ef65f5c0
>> 0000000000000000
>> [ 3380.373648] 0000000000000000 0000000000000002 ffffffff81049955
>> ffffffff81680648
>> [ 3380.373649] Call Trace:
>> [ 3380.373649] [<ffffffff814d1350>] ? 0xffffffff814d1350
> Can you please build your kernel with KALLSYSMS_ALL enabled, so we get
> a symbolic resolution of the call trace.
>
> You can also try and enable CONFIG_PROVE_LOCKING. That will give us
> even more detailed information about the problem at hand. Note, that
> CONFIG_PROVE_LOCKING slows down your kernel, so don't try to run on a
> production environment.
I found the reason: xfs mount with filestreams option.
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next prev parent reply other threads:[~2015-07-26 21:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-25 14:05 rtmutex deadlock detected (3.18.19-rt15) DIXLOR
2015-07-26 18:56 ` Thomas Gleixner
2015-07-26 21:22 ` DIXLOR [this message]
2015-07-30 23:15 ` Thomas Gleixner
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