linux-kernel - Re: 3.4.0-02580-g72c04af regression on sparc64

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Message-ID: <CABE8wwsormFTiyE8Qepq_DBZ1rcA5P1+L9xLfgA7S8VY7_t0+Q@mail.gmail.com>
Date:	Mon, 28 May 2012 10:56:58 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Eldad Zack <eldadzack@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>,
	James Bottomley <jejbbe@...senpartnership.com>,
	David Miller <davem@...emloft.net>, mroos@...ux.ee,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 3.4.0-02580-g72c04af regression on sparc64 - partitions not recognized

On Mon, May 28, 2012 at 9:46 AM, Eldad Zack <eldadzack@...il.com> wrote:
>
> On Fri, 25 May 2012, Rafael J. Wysocki wrote:
>> On Friday, May 25, 2012, Alan Stern wrote:
>> > On Fri, 25 May 2012, James Bottomley wrote:
>> >
>> > Whether or not the boot kernel can have modular drivers isn't clear to me;
>>
>> It can, but then the code in question is irrelevant and the resume has to
>> be triggered in a different way.  For example, by writing to
>> /sys/power/resume from the initrd boot scripts.
>>
>> > I don't know when the check for a valid image in the swap area is carried
>> > out in relation to starting up the initramfs task.
>>
>> This particular one is carried out before the initrd is loaded.
>
> I just got hit by this one too, but on x86 qemu. There's no initrd, and all
> the modules are built in.
>
> With commit a7a20d103994fd760766e6c9d494daa569cbfe06 the kernel doesn't
> get to the point where it reads the partition table.
>
> If it's of any help, I can provide more details.

Yes, please send the qemu config details.

The proposed fix for 3.5 is here:
http://marc.info/?l=linux-scsi&m=133796775807498&w=2

--
Dan
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