From: WU Fengguang <wfg@mail.ustc.edu.cn>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [BUGFIX] NULL pointer dereference in __vm_enough_memory()
Date: Sun, 12 Aug 2007 20:27:46 +0800 [thread overview]
Message-ID: <386921666.18788@ustc.edu.cn> (raw)
Message-ID: <20070812122746.GA10109@mail.ustc.edu.cn> (raw)
In-Reply-To: <20070812120902.GA9972@mail.ustc.edu.cn>
Hi Balbir,
[add CC to LKML]
On Sun, Aug 12, 2007 at 05:27:52PM +0530, Balbir Singh wrote:
> For some reason my mailer keeps removing you from the cc.
Or maybe it's my SMTP server's problem. Email systems are complex.
> >>> Thats a valid point. It would be interesting to see what the overcommit
> >>> setting was, when the panic occurred.
> >> FYI, I do have nondefault overcommit settings:
> >>
> >> vm.overcommit_memory = 2
> >> vm.lowmem_reserve_ratio = 1 1
> >
> > Yes, the bug disappears when changing to default overcommit_memory!
> >
>
> Great! So the problem might have existed for some time, but we never
> saw it due to default over commit values? Were you using these values
> for over commit even before?
No I changed it several weeks ago to stop my desktop from freezing.
So yes, the bug may have been there for a while.
next parent reply other threads:[~2007-08-12 12:28 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <46BEF5C0.3080902@linux.vnet.ibm.com>
[not found] ` <20070812120902.GA9972@mail.ustc.edu.cn>
[not found] ` <20070812122746.GA10109@mail.ustc.edu.cn>
2007-08-12 12:27 ` WU Fengguang [this message]
2007-08-12 13:19 ` [BUGFIX] NULL pointer dereference in __vm_enough_memory() Alan Cox
[not found] ` <20070812140917.GA13683@mail.ustc.edu.cn>
2007-08-12 14:09 ` WU Fengguang
2007-08-12 15:17 ` Alan Cox
2007-08-12 16:21 ` Cyrill Gorcunov
[not found] ` <20070813002342.GA6908@mail.ustc.edu.cn>
2007-08-13 0:23 ` WU Fengguang
2007-08-13 9:53 ` Cyrill Gorcunov
2007-08-13 11:22 ` Alan Cox
2007-08-13 11:55 ` Cyrill Gorcunov
2007-08-13 0:14 ` Rene Herman
[not found] ` <20070813073853.GA5262@mail.ustc.edu.cn>
2007-08-13 7:38 ` WU Fengguang
2007-08-13 13:01 ` [PATCH] fix " Alan Cox
2007-08-14 5:01 ` Andrew Morton
2007-08-14 17:50 ` Tobias Diedrich
2007-08-14 17:10 ` [BUGFIX] " Andy Isaacson
[not found] ` <20070815085308.GA18959@mail.ustc.edu.cn>
2007-08-15 8:53 ` WU Fengguang
[not found] <20070811132131.GA13775@mail.ustc.edu.cn>
2007-08-11 13:21 ` Fengguang Wu
2007-08-11 14:30 ` Balbir Singh
2007-08-11 17:00 ` Andrew Morton
2007-08-11 18:01 ` Balbir Singh
2007-08-11 18:13 ` Cyrill Gorcunov
[not found] ` <20070812054831.GB8992@mail.ustc.edu.cn>
2007-08-12 5:48 ` WU Fengguang
[not found] ` <20070812085808.GA7239@mail.ustc.edu.cn>
2007-08-12 8:58 ` WU Fengguang
2007-08-12 9:25 ` Balbir Singh
2007-08-12 12:23 ` Cyrill Gorcunov
[not found] ` <20070812054606.GA8992@mail.ustc.edu.cn>
2007-08-12 5:46 ` WU Fengguang
2007-08-11 14:17 ` Cyrill Gorcunov
[not found] ` <20070812052915.GA6769@mail.ustc.edu.cn>
2007-08-12 5:29 ` Fengguang Wu
2007-08-12 5:45 ` Cyrill Gorcunov
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