linux-kernel - Re: swsusp regression [Was: 2.6.18-rc3-mm2]

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Date:	Tue, 08 Aug 2006 18:40:17 +0159
From:	Jiri Slaby <jirislaby@...il.com>
To:	Jens Axboe <axboe@...e.de>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>, Jason Lunz <lunz@...ennom.net>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	andre@...ux-ide.org, pavel@...e.cz, linux-pm@...l.org,
	linux-ide@...r.kernel.org
Subject: Re: swsusp regression [Was: 2.6.18-rc3-mm2]

Jens Axboe wrote:
> On Tue, Aug 08 2006, Rafael J. Wysocki wrote:
>> On Tuesday 08 August 2006 13:19, Jens Axboe wrote:
>>> On Tue, Aug 08 2006, Rafael J. Wysocki wrote:
>>>> On Tuesday 08 August 2006 13:07, Jens Axboe wrote:
>>>>> On Tue, Aug 08 2006, Jens Axboe wrote:
>>>>>>> Indeed, that looks broken now. That must be what is screwing it up. With
>>>>>> the former patch applied, did cdrom detection still look funny to you?
>>>> Hm, I'm not sure what you mean ...
>>> -hdc: ATAPI 63X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
>>> +hdc: ATAPI CD-ROM drive, 0kB Cache, UDMA(33)
>> Ah, that.
>>
>>> But perhaps that wasn't you?
>> No, that wasn't me. :-)

It was me and it's OK.

>>>>>> I'll concoct a fix for that breakage.
>>>>> Something like this.
>>>> Looks good, I'll give it a try.
>>> Thanks!
>> It fixes this particular issue for me, but your first patch (appended)
>> is also needed to prevent the box from hanging later during the resume
>> (when it tries to save the image).
> 
> Yes certainly, that's a separate bug, sorry if I didn't make that clear.
> Both fixes are in the block repo now, so next -mm should work fine
> again.

And even this is OK.

I'm just curious, what
@@ -387,3 +398,5 @@
  EXT3 FS on md0, internal journal
  EXT3-fs: mounted filesystem with ordered data mode.
  Adding 506036k swap on /dev/hda3.  Priority:-1 extents:1 across:506036k
+JBD: barrier-based sync failed on hda2 - disabling barriers
+JBD: barrier-based sync failed on md0 - disabling barriers

means. Another bug?

thanks,
-- 
<a href="http://www.fi.muni.cz/~xslaby/">Jiri Slaby</a>
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
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