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From: Charles Bertsch <cbertsch@cox.net>
To: Matthew Wilcox <willy@linux.intel.com>
Cc: Neil Brown <neilb@suse.de>,
	linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	"BertschC@acm.org" <BertschC@acm.org>
Subject: Re: Fw: Problems with bdev_write_page().
Date: Mon, 15 Jun 2015 07:19:17 -0700	[thread overview]
Message-ID: <557EDEE5.60600@cox.net> (raw)
In-Reply-To: <fSoD1q00Z1Qq7Ka01SoEyb>

On 06/12/2015 07:48 AM, Matthew Wilcox wrote:
...
>>
>> Can you propose a fix for Charles, who can trigger this bug and nicely
>> bisected it for us - thanks Charles!!!
>
....
>
> (this patch probably doesn't apply to the current tree; it's done against
> a bit of a mishmash tree in my current working directory.  it's not for
> applynig, but for commentary).
>
Matthhew,

I tested again with v4.1-rc7, bug still present.

I was able to apply the patch (at offsets -10, -1, -8 for 
fs/block_dev.c, fs/mpage.c, and mm/page_io.c).  That test has been 
running without error for 14 hours.  The bug would occur with this setup 
within 10 minutes.

Thanks.

Charles Bertsch

      parent reply	other threads:[~2015-06-15 14:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20150611064126.1d05dc20@home.neil.brown.name>
2015-06-12 14:48 ` Fw: Problems with bdev_write_page() Matthew Wilcox
     [not found] ` <fSoD1q00Z1Qq7Ka01SoEyb>
2015-06-15 14:19   ` Charles Bertsch [this message]

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