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From: Ingo Molnar <mingo@kernel.org>
To: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Michal Hocko <mhocko@kernel.org>
Subject: Re: [mm 4.15-rc8] Random oopses under memory pressure.
Date: Tue, 16 Jan 2018 09:37:39 +0100	[thread overview]
Message-ID: <20180116083739.irw62va5kpc62cvr@gmail.com> (raw)
In-Reply-To: <7f100b0f-3588-be25-41f6-a0e4dde27916@linux.intel.com>


* Dave Hansen <dave.hansen@linux.intel.com> wrote:

> Did anyone else notice the
> 
> 	[   31.068198]  ? vmalloc_sync_all+0x150/0x150
> 
> present in a bunch of the stack traces?  That should be pretty uncommon.

I thikn that's pretty unusual:

>  Is it just part of the normal do_page_fault() stack and the stack
> dumper picks up on it?

No, it should only be called by register_die_notifier(), which is not part of the 
regular stack dump, AFAICS.

Thanks,

	Ingo

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  reply	other threads:[~2018-01-16  8:37 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <201801091939.JDJ64598.HOMFQtOFSOVLFJ@I-love.SAKURA.ne.jp>
     [not found] ` <201801102049.BGJ13564.OOOMtJLSFQFVHF@I-love.SAKURA.ne.jp>
     [not found]   ` <20180110124519.GU1732@dhcp22.suse.cz>
     [not found]     ` <201801102237.BED34322.QOOJMFFFHVLSOt@I-love.SAKURA.ne.jp>
     [not found]       ` <20180111135721.GC1732@dhcp22.suse.cz>
2018-01-11 14:11         ` [mm? 4.15-rc7] " Tetsuo Handa
2018-01-11 14:21           ` Michal Hocko
2018-01-11 14:37             ` Tetsuo Handa
2018-01-12  1:31             ` [mm " Tetsuo Handa
2018-01-12  1:42               ` Linus Torvalds
2018-01-12 11:22                 ` Tetsuo Handa
2018-01-14 11:54                   ` Tetsuo Handa
2018-01-15 23:05                     ` Linus Torvalds
2018-01-16  1:15                       ` [mm 4.15-rc8] " Tetsuo Handa
2018-01-16  2:14                         ` Linus Torvalds
2018-01-16  8:06                           ` Dave Hansen
2018-01-16  8:37                             ` Ingo Molnar [this message]
2018-01-16 19:30                             ` Linus Torvalds
2018-01-16 17:33                           ` Tetsuo Handa
2018-01-16 19:34                             ` Linus Torvalds
2018-01-17 11:08                               ` Tetsuo Handa
2018-01-11 18:11           ` [mm? 4.15-rc7] " Linus Torvalds
2018-01-11 20:59             ` Tetsuo Handa

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