linux-kernel - Re: 4.13 on thinkpad x220: oops when writing to SD card

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20170908092953.GD18365@amd>
Date:   Fri, 8 Sep 2017 11:29:53 +0200
From:   Pavel Machek <pavel@....cz>
To:     6689241f-a4d8-7a3e-9f0b-482b034e5710@...el.com
Cc:     adrian.hunter@...el.com, shawn.lin@...k-chips.com,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: 4.13 on thinkpad x220: oops when writing to SD card

On Wed 2017-09-06 10:20:35, Seraphime Kirkovski wrote:
> Hi,
> 
> > > Seems 4.13-rc4 was already broken for that but unfortuantely
> > > I didn't
> > > reproduce that. So maybe Seraphime can do git-bisect as he said "I 
> > > get
> > > it everytime" for which I assume it could be easy for him to find 
> > > out
> > > the problematic commit?
> 
> I can reliably reproduce it, although sometimes it needs some more work.
> For example, I couldn't trigger it while writing less than 1 gigabyte
> and sometimes I have to do it more than once. It helps if the machine is
> doing something else in meantime, I do kernel builds.
> 
> > Another unrelated issue with mmc_init_request() is that
> > mmc_exit_request()
> > is not called if mmc_init_request() fails, which means 
> > mmc_init_request()
> > must free anything it allocates when it fails.
> 
> I'm running your patch for 45 minutes now, it looks like it's fixing the 
> issue on 4.13 81a84ad3cb5711cec79.
> 
> P.S. Sorry about the formatting, have to fix my editor

Thanks for quick testing :-). And your formatting is still better than
some...


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

Download attachment "signature.asc" of type "application/pgp-signature" (182 bytes)