linux-kernel - Re: 2.6.18-rc7-mm1

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Message-ID: <45128BB5.2040004@shadowen.org>
Date:	Thu, 21 Sep 2006 13:55:17 +0100
From:	Andy Whitcroft <apw@...dowen.org>
To:	Andrew Morton <akpm@...l.org>
CC:	"Martin J. Bligh" <mbligh@...igh.org>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc7-mm1

Andrew Morton wrote:
> On Tue, 19 Sep 2006 07:45:06 -0700
> "Martin J. Bligh" <mbligh@...igh.org> wrote:
> 
>>> - It took maybe ten hours solid work to get this dogpile vaguely
>>>   compiling and limping to a login prompt on x86, x86_64 and powerpc. 
>>>   I guess it's worth briefly testing if you're keen.
>> PPC64 blades shit themselves in a strange way. Possibly the udev
>> breakage you mentioned? Hard to tell really if people are going to
>> go around breaking userspace compatibility ;-(
> 
> What version of udev is it running?

Ok, this is not a blade, but a ppc lpar.  Its running the following
version of udev:

udevinfo, version 021_bk

(Assuming of course the help for udev info -V is not lying when it says
"-V       print udev version".)

>> http://test.kernel.org/abat/48127/debug/console.log
>>
>> ..
>>
>> sda: Write Protect is off
>> sda: cache data unavailable
>> sda: assuming drive cache: write through
>> SCSI device sda: 143374000 512-byte hdwr sectors (73407 MB)
>> sda: Write Protect is off
>> sda: cache data unavailable
>> sda: assuming drive cache: write through
>>   sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 sda8 >
>> sd 0:0:1:0: Attached scsi disk sda
>> creating device nodes .[: [0-9]*: bad number

I was assuming this message was from udev?  I can't find it in the
kernel anyhow.  Might just be noise on the initrd.

>> 0:0:1:0: sg_io failed status 0x8 0x0 0x0 0x2
>> 0:0:1:0: sense key 0x5 ASC 0x24 ASCQ 0x0
>> [: [0-9]*: bad number
>> 0:0:1:0: sg_io failed status 0x8 0x0 0x0 0x2
>> 0:0:1:0: sense key 0x5 ASC 0x24 ASCQ 0x0
>> [: [0-9]*: bad number
>> 0:0:1:0: sg_io failed status 0x8 0x0 0x0 0x2
>> 0:0:1:0: sense key 0x5 ASC 0x24 ASCQ 0x0
>> [: [0-9]*: bad number
>> 0:0:1:0: sg_io failed status 0x8 0x0 0x0 0x2
>> 0:0:1:0: sense key 0x5 ASC 0x24 ASCQ 0x0
>> [: [0-9]*: bad number
>>
>>
> 
> That all looks rather bad.
> 
>> ReiserFS: sda2: Using r5 hash to sort names
>> looking for init ...
>> found /sbin/init
>> /init: cannot open .//dev//console: no such file
> 
> Bizarrely-formed pathname.  Does it always do that?
> 
>> Kernel panic - not syncing: Attempted to kill init!
>>   <0>Rebooting in 180 seconds..-- 0:conmux-control -- time-stamp -- 
>> Sep/19/06  4:18:52 --
>> (bot:conmon-payload) disconnected
> 
> Has udev actually attempted to do anything by this stage?
> 
> I wasn't seeing anything that spectacular.  It used to be the case that
> udev simply hung.  But in rc7-mm1 the symptoms are that incoming ssh
> sessions hang, but most other things work OK.
> 
> Oh well - Greg has split that tree apart and I shall not be pulling the
> more problematic bits henceforth.

/me pins his hopes on rc7-mm2.

-apw
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