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From: "Richard W.M. Jones" <rjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Josh Boyer
	<jwboyer-rxtnV0ftBwyoClj4AeEUq9i2O/JbrIOy@public.gmane.org>,
	Jeff Moyer <jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	msnitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Linux-Kernel@Vger. Kernel. Org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: __blkg_lookup oops with 4.2-rcX
Date: Fri, 4 Sep 2015 21:42:44 +0100	[thread overview]
Message-ID: <20150904204244.GQ29283@redhat.com> (raw)
In-Reply-To: <20150904171302.GE25329-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>

On Fri, Sep 04, 2015 at 01:13:02PM -0400, Tejun Heo wrote:
> The only struct which is large enough for 0xbb8 offset is
> request_queue.  Hmm.... can you please try the brute force debug patch
> below and report the kernel log after the crash?

So the good(?) news is this bug is not reproducible with the Fedora
kernel 4.3.0-0.rc0.git7.1.fc24.x86_64 (tested both with and without
your patch).

I'll keep it running overnight just in case ..

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org

  parent reply	other threads:[~2015-09-04 20:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-30 12:30 __blkg_lookup oops with 4.2-rcX Josh Boyer
2015-08-30 18:04 ` Richard W.M. Jones
2015-09-02 14:53 ` Tejun Heo
     [not found]   ` <20150902145307.GG22326-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-09-02 15:32     ` Tejun Heo
2015-09-04 10:46       ` Richard W.M. Jones
     [not found]         ` <20150904104602.GN29283-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-04 17:13           ` Tejun Heo
     [not found]             ` <20150904171302.GE25329-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-09-04 18:17               ` Richard W.M. Jones
2015-09-04 20:42               ` Richard W.M. Jones [this message]
2015-09-05 15:34                 ` Richard W.M. Jones
     [not found]                   ` <20150905153439.GA18461-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-05 15:48                     ` Richard W.M. Jones
     [not found]                       ` <20150905154840.GA19460-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-05 18:38                         ` Tejun Heo
     [not found]                           ` <20150905183801.GA8231-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-09-05 19:47                             ` [PATCH block/for-linus] block: blkg_destroy_all() should clear q->root_blkg and ->root_rl.blkg Tejun Heo
2015-09-06  8:30                               ` Richard W.M. Jones
     [not found]                               ` <20150905194736.GB8231-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2015-09-08 15:31                                 ` Tejun Heo
2015-09-08 15:35                                   ` Jens Axboe

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