linux-kernel - Re: 2.6.39 Block layer regression was [Bug] Boot hangs with 2.6.39-rc[123]]

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Message-ID: <BANLkTim7SLt6TMqJQw35=tnACax0mE1URA@mail.gmail.com>
Date:	Thu, 21 Apr 2011 10:59:39 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	Jens Axboe <jaxboe@...ionio.com>,
	Christoph Hellwig <hch@...radead.org>,
	Michael Guntsche <mike@...loops.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.39 Block layer regression was [Bug] Boot hangs with 2.6.39-rc[123]]

On Thu, Apr 21, 2011 at 10:53 AM, Christian Kujau <lists@...dbynature.de> wrote:
> On Fri, 15 Apr 2011 at 08:13, Jens Axboe wrote:
>> I think we are done, Neil just needs to rebase around the current
>> for-linus and then we should expedite things in.
>
> Whatever this was: has it been pushed to Linus yet? I'm on 2.6.39-rc4+
> (from yesterday) and I too experience a hang during boot (and other
> strange things with udev[0])

As of right now, all _known_ block bugs should be fixed in the stuff I
just pushed out, with the current top-of-tree being the merge of the
IDE CD endless loop issue and the NULL ptr oops at elevator change
time:

     Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

    * 'for-linus' of git://git.kernel.dk/linux-2.6-block:
      ide: unexport DISK_EVENT_MEDIA_CHANGE for ide-gd and ide-cd
      block: don't propagate unlisted DISK_EVENTs to userland
      elevator: check for ELEVATOR_INSERT_SORT_MERGE in !elvpriv case too

but maybe yours is something else.

That said, that udevd message of yours would imply a full root
filesystem, which can cause any amount of issues at boot time..

                          Linus
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