linux-kernel - Re: 4.0-rc1: Oops on eject of CF card in PCMCIA slot

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Message-ID: <20150309211854.GA4190@amd>
Date:	Mon, 9 Mar 2015 22:18:54 +0100
From:	Pavel Machek <pavel@....cz>
To:	gnomes@...rguk.ukuu.org.uk, linux-pcmcia@...ts.infradead.org,
	axboe@...nel.dk, linux-kernel@...r.kernel.org
Subject: Re: 4.0-rc1: Oops on eject of CF card in PCMCIA slot

On Mon 2015-03-09 21:57:01, Pavel Machek wrote:
> Hi!
> 
> On Mon 2015-03-02 11:57:25, One Thousand Gnomes wrote:
> > On Sat, 28 Feb 2015 00:08:52 +0100
> > Pavel Machek <pavel@....cz> wrote:
> > 
> > > Hi!
> > > 
> > > It seems that pcmcia was unhappy even before, but eject definitely
> > > oopsed it.
> 
> I meant "the dmesg indicated 'interesting stuff'".
> 
> > > Any ideas?
> > 
> > Probably a PCMCIA not a block layer change - well I guess could be
> > either. I fixed a pile of PCMCIA bugs and also reworked the allocator for
> > pure PCI boxes so it didn't do various bad things.
> 
> Unfortunately, it happened just once :-(. I'll scream if it happens
> again.

I tried to reproduce it on 4.0, and failed. Now I got this on 3.18+something...


Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:CPU: 1 PID: 15120 Comm: umount Tainted: G        W
 3.18.0+ #407

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 )
 03/31/2011

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:task: ed988580 ti: c23b6000 task.ti: c23b6000

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:Stack:

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:Call Trace:

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:Code: 98 54 a5 c4 68 78 06 bb c4 89 4d ec e8 92 a6 01 00 83 c4
 10 8b 4d ec e9 ec fe ff ff 8d b4 26 00 00 00 00 85 c0 74 1a 55 89 e5
 53 <f6> 40 20 01 89 c3 74 20 8d 43 1c f0 83 6b 1c 01 74 06 8b 5d fc

Message from syslogd@duo at Mar  9 22:09:24 ...
 kernel:EIP: [<c427b658>] kobject_put+0x8/0x50 SS:ESP 0068:c23b7d64
 
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html



----- End forwarded message -----

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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