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From: John Robinson <john.robinson@anonymous.org.uk>
To: Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: md: oops on dropping bitmaps from an array
Date: Tue, 01 Dec 2009 16:08:07 +0000	[thread overview]
Message-ID: <4B153F67.5000807@anonymous.org.uk> (raw)
In-Reply-To: <20091201121851.45cd4e41@notabene.brown>

On 01/12/2009 01:18, Neil Brown wrote:
> On Mon, 30 Nov 2009 15:00:24 +0100
> Arkadiusz Miskiewicz <a.miskiewicz@gmail.com> wrote:
[...]
>> [2500705.083965] BUG: unable to handle kernel NULL pointer
>> dereference at
>> (null) [2500705.090142] IP: [<ffffffffa001387a>]
>> bitmap_daemon_work+0x20a/0x500
> 
> That is bad.  I think I can see what is happening.  I suspect that this
> is a fairly hard race to hit - you must been unlucky:-(

I had an oops removing a bitmap a wee while ago, and I mentioned it on 
this list, but I couldn't post a backtrace. I guess I was unlucky too 
but I'm delighted to hear luck's not going to be an issue in the future :-)

Cheers,

John.


      reply	other threads:[~2009-12-01 16:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-30 14:00 md: oops on dropping bitmaps from an array Arkadiusz Miskiewicz
2009-12-01  1:18 ` Neil Brown
2009-12-01 16:08   ` John Robinson [this message]

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