From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Markus Blank-Burian <burian-iYtK5bfT9M8b1SvskN2V4Q@public.gmane.org>
Cc: Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
Hugh Dickins <hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Ying Han <yinghan-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Greg Thelen <gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Michel Lespinasse
<walken-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Possible regression with cgroups in 3.11
Date: Wed, 13 Nov 2013 09:51:44 +0800 [thread overview]
Message-ID: <5282DB30.5000700@huawei.com> (raw)
In-Reply-To: <CA+SBX_MWM1iU7kyT5Ct3OJ7S3oMgbz_EWbFH1dGae+r_UnDxOA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
>> Btw. how reproducible is this? Do you think you could try to bisect
>> it down? Reducing bisection to mm/ and kernel/ diretories should be
>> sufficient I guess.
>
> The bug is quite reproducible here .. within a few minutes at most.
> Since we have diskless clients with nfsroot and aufs, bisectioning
> proved to be a bit difficult (means the kernel compiled and booted but
> aufs failed on /etc). But then I have tried bisectioning the whole
> kernel sources. Tomorrow, I will first try to test without
> CONFIG_MEMCG_SWAP_ENABLED and CONFIG_MEMCG_KMEM, and then give
> bisectioning only the two directories another try. Btw. I never saw
> this bug before 3.11, but it may well be, that because of some trivial
> code change, it became much more likely to trigger.
>
This is possible, given we got another bug report which happened in 3.10
and we've been changing the cgroup teardown code in the past few releases
by using workqueue and brand-new percpu ref.
Still I'd suggest you bisect from 3.10 to 3.11.
next prev parent reply other threads:[~2013-11-13 1:51 UTC|newest]
Thread overview: 65+ 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
[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 [this message]
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
2013-11-16 0:28 ` Bjorn Helgaas
[not found] ` <20131116002820.GA31073-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
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 20:39 ` Bjorn Helgaas
[not found] ` <20131118203925.GA26682-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-11-21 4:26 ` Sasha Levin
[not found] ` <528D8B6A.40008-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2013-11-21 4:47 ` Bjorn Helgaas
[not found] ` <CAErSpo4bXfVbxcJ6-LcByDRX25DSa8Pa+9dLtcaW631YK88Gcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-25 21:57 ` Bjorn Helgaas
2013-10-15 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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