linux-ext4 - Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ

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 for Android: free password hash cracker in your pocket

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

Date:	Mon, 28 Jun 2010 09:58:51 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Tao Ma <tao.ma@...cle.com>
Cc:	axboe@...nel.dk, vgoyal@...hat.com, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, Joel Becker <joel.becker@...cle.com>,
	Sunil Mushran <sunil.mushran@...cle.com>,
	"ocfs2-devel\@oss.oracle.com" <ocfs2-devel@....oracle.com>
Subject: Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ

Tao Ma <tao.ma@...cle.com> writes:

> btw, I also met with a NULL pointer deference in cfq_yield. I have
> attached the null.log also. This seems to be related to the previous
> deadlock and happens when I try to remount the same volume after
> reboot and ocfs2 try to do some recovery.

Since I can't reproduce your binary kernel even with your .config, could
you send me the disassembly of the cfq_yield function from your vmlinux
binary?

Thanks!
Jeff
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html