From: Kent Overstreet <kent.overstreet@gmail.com>
To: Andrea Righi <righi.andrea@gmail.com>
Cc: Shaohua Li <shli@kernel.org>,
linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: multipath: I/O hanging forever
Date: Sat, 5 Mar 2016 20:31:03 -0900 [thread overview]
Message-ID: <20160306053103.GA31060@kmo-pixel> (raw)
In-Reply-To: <20160304173044.GA2636@Dell>
On Fri, Mar 04, 2016 at 10:30:44AM -0700, Andrea Righi wrote:
> On Sun, Feb 28, 2016 at 08:46:16PM -0700, Andrea Righi wrote:
> > On Sun, Feb 28, 2016 at 06:53:33PM -0700, Andrea Righi wrote:
> > ...
> > > I'm using 4.5.0-rc5+, from Linus' git. I'll try to do a git bisect
> > > later, I'm pretty sure this problem has been introduced recently (i.e.,
> > > I've never seen this issue with 4.1.x).
> >
> > I confirm, just tested kernel 4.1 and this problem doesn't happen.
>
> Alright, I had some spare time to bisect this problem and I found that
> the commit that introduced this issue is c66a14d.
>
> So, I tried to revert the commit (with some changes to fix conflicts and
> ABI changes) and now multipath seems to work fine for me (no hung task).
Is it hanging on first IO, first large IO, or just randomly?
next prev parent reply other threads:[~2016-03-06 5:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 1:53 multipath: I/O hanging forever Andrea Righi
2016-02-29 3:46 ` Andrea Righi
2016-03-04 17:30 ` Andrea Righi
2016-03-06 5:31 ` Kent Overstreet [this message]
2016-03-11 22:24 ` Andrea Righi
2016-03-12 1:47 ` Ming Lei
2016-03-13 15:29 ` Andrea Righi
2016-03-14 18:16 ` Shaohua Li
2016-03-14 7:41 ` Christoph Hellwig
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