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Message-ID: <1568193255.30609.14.camel@abdul.in.ibm.com>
Subject: Re: [mainline][BUG][PPC][btrfs][bisected 00801a] kernel BUG at
 fs/btrfs/locking.c:71!
From:   Abdul Haleem <abdhalee@linux.vnet.ibm.com>
To:     Nikolay Borisov <nborisov@suse.com>
Cc:     mpe <mpe@ellerman.id.au>, Brian King <brking@linux.vnet.ibm.com>,
        chandan <chandan@linux.vnet.ibm.com>,
        sachinp <sachinp@linux.vnet.ibm.com>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        David Sterba <dsterba@suse.com>, josef@toxicpanda.com,
        linux-btrfs@vger.kernel.org,
        linux-kernel <linux-kernel@vger.kernel.org>
Date:   Wed, 11 Sep 2019 14:44:15 +0530
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On Wed, 2019-09-11 at 11:09 +0300, Nikolay Borisov wrote:
> 
> On 11.09.19 г. 11:00 ч., Abdul Haleem wrote:
> > On Tue, 2019-09-03 at 13:39 +0300, Nikolay Borisov wrote:
> >>
> 
> <split>
> 
> >> corresponds to?
> > 
> > btrfs_search_slot+0x8e8/0xb80 maps to fs/btrfs/ctree.c:2751
> >                 write_lock_level = BTRFS_MAX_LEVEL;
> 
> That doesn't make sense, presumably btrfs_search_slot+0x8e8/0xb80 should
> point at or right after the instruction which called
> btrfs_set_path_blocking. So either line 2796, 2894, 2901 or 2918 .
> 
I might be calculating to wrong address, could you please have a look on
the obj dump for files I have sent (which are less than 2MB)
> > 
> > I have sent direct message attaching vmlinux and the obj dump for
> > ctree.c and locking.c
> > 
> 
> I just got a message from : InterScan Messaging Security Suite about
> some policy being broken and no vmscan.

Sorry, my vmlinux was above 28Mb.


-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre