From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Markus Blank-Burian <burian-iYtK5bfT9M8b1SvskN2V4Q@public.gmane.org>
Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Possible regression with cgroups in 3.11
Date: Tue, 15 Oct 2013 11:15:03 +0800 [thread overview]
Message-ID: <525CB337.8050105@huawei.com> (raw)
In-Reply-To: <CA+SBX_MQVMuzWKroASK7Cr5J8cu9ajGo=CWr7SRs+OWh83h4_w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 2013/10/14 16:06, Markus Blank-Burian wrote:
> The crash utility indicated, that the lock was held by a kworker
> thread, which was idle at the moment. So there might be a case, where
> no unlock is done. I am trying to reproduce the problem at the moment
> with CONFIG_PROVE_LOCKING, but without luck so far. It seems, that my
> test-job is quite bad at reproducing the bug. I'll let you know, if I
> can find out more.
>
Thanks. I'll review the code to see if I can find some suspect.
PS: I'll be travelling from 10/16 ~ 10/28, so I may not be able
to spend much time on this.
next prev parent reply other threads:[~2013-10-15 3:15 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-10 8:50 Possible regression with cgroups in 3.11 Markus Blank-Burian
[not found] ` <4431690.ZqnBIdaGMg-fhzw3bAB8VLGE+7tAf435K1T39T6GgSB@public.gmane.org>
2013-10-11 13:06 ` Li Zefan
[not found] ` <5257F7CE.90702-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-10-11 16:05 ` Markus Blank-Burian
[not found] ` <CA+SBX_Pa8sJbRq3aOghzqam5tDUbs_SPnVTaewtg-pRmvUqSzA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-10-12 6:00 ` Li Zefan
[not found] ` <5258E584.70500-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-10-14 8:06 ` Markus Blank-Burian
[not found] ` <CA+SBX_MQVMuzWKroASK7Cr5J8cu9ajGo=CWr7SRs+OWh83h4_w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-10-15 3:15 ` Li Zefan [this message]
[not found] ` <525CB337.8050105-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-10-18 9:34 ` Markus Blank-Burian
[not found] ` <CA+SBX_Ogo8HP81o+vrJ8ozSBN6gPwzc8WNOV3Uya=4AYv+CCyQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-10-18 9:57 ` Markus Blank-Burian
[not found] ` <CA+SBX_OJBbYzrNX5Mi4rmM2SANShXMmAvuPGczAyBdx8F2hBDQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-10-30 8:14 ` Li Zefan
[not found] ` <5270BFE7.4000602-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-10-31 2:09 ` Hugh Dickins
[not found] ` <alpine.LNX.2.00.1310301606080.2333-fupSdm12i1nKWymIFiNcPA@public.gmane.org>
2013-10-31 17:06 ` Steven Rostedt
[not found] ` <20131031130647.0ff6f2c7-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2013-10-31 21:46 ` Hugh Dickins
[not found] ` <alpine.LNX.2.00.1310311442030.2633-fupSdm12i1nKWymIFiNcPA@public.gmane.org>
2013-10-31 23:27 ` Steven Rostedt
[not found] ` <20131031192732.2dbb14b3-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2013-11-01 1:33 ` Hugh Dickins
2013-11-04 11:00 ` Markus Blank-Burian
[not found] ` <CA+SBX_NjAYrqqOpSuCy8Wpj6q1hE_qdLrRV6auydmJjdcHKQHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-04 12:29 ` Li Zefan
[not found] ` <5277932C.40400-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-11-04 13:43 ` Markus Blank-Burian
[not found] ` <CA+SBX_ORkOzDynKKweg=JomY2+1kz4=FXYJXYMsN8LKf48idBg@mail.gmail. com>
[not found] ` <CA+SBX_ORkOzDynKKweg=JomY2+1kz4=FXYJXYMsN8LKf48idBg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-05 9:01 ` Li Zefan
[not found] ` <5278B3F1.9040502-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-11-07 23:53 ` Johannes Weiner
[not found] ` <20131107235301.GB1092-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-11-08 0:14 ` Johannes Weiner
[not found] ` <20131108001437.GC1092-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-11-08 8:36 ` Li Zefan
[not found] ` <527CA292.7090104-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-11-08 13:34 ` Johannes Weiner
2013-11-08 10:20 ` Markus Blank-Burian
[not found] ` <CA+SBX_P6wzmb0k0qM1m06C_1024ZTfYZOs0axLBBJm46X+osqA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-11 15:39 ` Michal Hocko
[not found] ` <20131111153943.GA22384-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-11 16:11 ` Markus Blank-Burian
[not found] ` <CA+SBX_PiRoL7HU-C_wXHjHYduYrbTjO3i6_OoHOJ_Mq+sMZStg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-12 13:58 ` Michal Hocko
[not found] ` <20131112135844.GA6049-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-12 19:33 ` Markus Blank-Burian
[not found] ` <CA+SBX_MWM1iU7kyT5Ct3OJ7S3oMgbz_EWbFH1dGae+r_UnDxOA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-13 1:51 ` Li Zefan
2013-11-13 16:31 ` Markus Blank-Burian
[not found] ` <CA+SBX_O4oK1H7Gtb5OFYSn_W3Gz+d-YqF7OmM3mOrRTp6x3pvw@mail.gmail.com>
[not found] ` <CA+SBX_O4oK1H7Gtb5OFYSn_W3Gz+d-YqF7OmM3mOrRTp6x3pvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-18 9:45 ` Michal Hocko
[not found] ` <20131118094554.GA32623-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-18 14:31 ` Markus Blank-Burian
[not found] ` <CA+SBX_PqdsG5LBQ1uLpPsSUsbjF8TJ+ok4E+Hp_3AdHf+_5e-A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-18 19:16 ` Michal Hocko
[not found] ` <20131118191655.GB12923-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-21 15:59 ` Markus Blank-Burian
[not found] ` <CA+SBX_OeGCr5oDbF0n7jSLu-TTY9xpqc=LYp_=18qFYHB-nBdg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-21 16:45 ` Michal Hocko
[not found] ` <CA+SBX_PDuU7roist-rQ136Jhx1pr-Nt-r=ULdghJFNHsMWwLrg@mail.gmail.com>
[not found] ` <CA+SBX_PDuU7roist-rQ136Jhx1pr-Nt-r=ULdghJFNHsMWwLrg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-22 14:50 ` Michal Hocko
[not found] ` <20131122145033.GE25406-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-25 14:03 ` Markus Blank-Burian
[not found] ` <CA+SBX_O_+WbZGUJ_tw_EWPaSfrWbTgQu8=GpGpqm0sizmmP=cA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-26 15:21 ` Michal Hocko
[not found] ` <20131126152124.GC32639-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-26 21:05 ` Markus Blank-Burian
[not found] ` <CA+SBX_Mb0EwvmaejqoW4mtYbiOTV6yV3VrLH7=s0wX-6rH7yDA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-28 17:05 ` Michal Hocko
[not found] ` <20131128170536.GA17411-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-29 8:33 ` Markus Blank-Burian
2013-11-26 21:47 ` Markus Blank-Burian
2013-11-13 15:17 ` Michal Hocko
2013-11-18 10:30 ` William Dauchy
[not found] ` <CAJ75kXamrtQz5-cYS7tYtYeP1ZLf2pzSE7UnEPpyORzpG3BASg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-18 16:43 ` Johannes Weiner
[not found] ` <20131118164308.GD3556-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-11-19 11:16 ` William Dauchy
2013-11-11 15:31 ` Michal Hocko
[not found] ` <20131111153148.GC14497-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-12 14:58 ` Michal Hocko
[not found] ` <20131112145824.GC6049-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-13 3:38 ` Tejun Heo
[not found] ` <20131113033840.GC19394-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-11-13 11:01 ` Michal Hocko
[not found] ` <20131113110108.GA22131-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-13 13:23 ` [RFC] memcg: fix race between css_offline and async charge (was: Re: Possible regression with cgroups in 3.11) Michal Hocko
[not found] ` <20131113132337.GB22131-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-13 14:54 ` Johannes Weiner
[not found] ` <20131113145427.GG707-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2013-11-13 15:13 ` Michal Hocko
[not found] ` <20131113151339.GC22131-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2013-11-13 15:30 ` Johannes Weiner
2013-11-13 3:28 ` Possible regression with cgroups in 3.11 Tejun Heo
[not found] ` <20131113032804.GB19394-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-11-13 7:38 ` Tejun Heo
2013-11-13 7:38 ` Tejun Heo
2013-11-16 0:28 ` Bjorn Helgaas
[not found] ` <20131116002820.GA31073-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-11-16 4:53 ` Tejun Heo
2013-11-16 4:53 ` Tejun Heo
2013-11-18 18:14 ` Bjorn Helgaas
[not found] ` <20131118181440.GA2996-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-11-18 19:29 ` Yinghai Lu
2013-11-18 19:29 ` Yinghai Lu
2013-11-18 20:39 ` Bjorn Helgaas
[not found] ` <20131118203925.GA26682-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-11-21 4:26 ` Sasha Levin
2013-11-21 4:26 ` Sasha Levin
[not found] ` <528D8B6A.40008-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2013-11-21 4:47 ` Bjorn Helgaas
2013-11-21 4:47 ` Bjorn Helgaas
[not found] ` <CAErSpo4bXfVbxcJ6-LcByDRX25DSa8Pa+9dLtcaW631YK88Gcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-25 21:57 ` Bjorn Helgaas
2013-11-25 21:57 ` Bjorn Helgaas
2013-10-15 3:47 ` Li Zefan
-- strict thread matches above, loose matches on Subject: below --
2013-10-10 8:49 Markus Blank-Burian
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