failing to boot pass mdadm monitor

Asif Iqbal vadud3 at gmail.com
Tue Mar 13 20:12:45 UTC 2012


On Tue, Mar 13, 2012 at 3:05 PM, Peter M. Petrakis
<peter.petrakis at canonical.com> wrote:
>
>
> On 03/13/2012 02:47 PM, Asif Iqbal wrote:
>>
>> On Tue, Mar 13, 2012 at 12:35 AM, Peter M. Petrakis
>> <peter.petrakis at canonical.com>  wrote:
>>>
>>>
>>>
>>> On 03/13/2012 12:09 AM, Asif Iqbal wrote:
>>>>
>>>>
>>>> On Mon, Mar 12, 2012 at 4:13 PM, Asif Iqbal<vadud3 at gmail.com>    wrote:
>>>>>
>>>>>
>>>>> I am failing to boot this server x4270 pass the mdadm --monitor.
>>>>> Installed lucid amd64. This is a first install.
>>>>>
>>>>> details: http://paste.ubuntu.com/880895/
>>>>>
>>>>> It boots all the way in recovery mode. what gives?
>>>>
>>>>
>>>>
>>>> ok. I reinstalled lucid 64bit. No more GPT error. But it hangs right
>>>> after mdadm --monitor
>>>
>>>
>>>
>>> At least that's an improvement.
>>>
>>>>
>>>> http://paste.ubuntu.com/881409/
>>>
>>>
>>>
>>> ...
>>>
>>> mdadm: sending ioctl 1261 to a partition!
>>>
>>> (I confused syscall with storage ioctl earlier, whoops :)
>>>
>>> Now that we're just down to this problem, a little google...
>>>
>>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=656899:
>>> https://bugzilla.redhat.com/show_bug.cgi?id=783823
>>> https://bugzilla.redhat.com/show_bug.cgi?id=783955
>>>
>>> http://www.serverphorums.com/read.php?12,436266
>>>
>>> and ... I think there's a fix:
>>> https://lkml.org/lkml/2012/1/24/136
>>>
>>> Probably worth filing a bug at this point, also please try and
>>> reproduce this issue with oneiric, and the latest mainline
>>> kernel  [1] if possible. Thanks.
>>
>>
>> installed oneiric this time. failed to mount /var, /home, /opt and
>> /usr/local LVs.
>> I had to run vgchange -a y to make those LVs available and then
>> booted all the way. details: http://paste.ubuntu.com/882168/
>>
>> And I choose skip.. it does boot all the way but not so useful w/o /var
>> as shown below.

after few reboots, now it reboots all the way by itself.

http://paste.ubuntu.com/882277/

also my OS is the two small disks on disk 8 and disk 9. so I installed
the grub on all the disks so it always boot from the disk 8 or disk 9 (raid1).

Thanks for all your help.

I will follow up with bug report.

>
>
> So if you read the Debian bug report, you would find that this issue
> is a result of recent security update that tightened ioctl access
> to disks, virtual machines were able to write to backing stores. It
> appears to require some tuning which is the basis for the fix I posted
> earlier.
>
> At this point you have to follow through with the rest of my original
> advice, and also consider going back one or two kernel revs where
> this security fix doesn't exist. That should alleviate the 'ioctl 1261'
> issue, and the bug you're supposed to report will get the requisite patch
> into the next version of the distro kernel so you can move forward.
>
> So in lucid:
> https://launchpad.net/ubuntu/+source/linux/2.6.32-39.86
>  * block: fail SCSI passthrough ioctls on partition devices
>    - LP: #926321
>
> and oneiric:
> https://launchpad.net/ubuntu/+source/linux/3.0.0-16.29
>  * block: fail SCSI passthrough ioctls on partition devices
>    - LP: #922799
>
> I think that's the CVE that's the cause of your problems. So rewind kernels
> until it's not there and verify that your problem is resolved. I think you
> can take the rest from here.
>
> Peter
>
>
>
>>
>>>
>>> Peter
>>>
>>> 1. https://wiki.ubuntu.com/Kernel/MainlineBuilds
>>>   http://kernel.ubuntu.com/~kernel-ppa/mainline/
>>>
>>>
>>>
>>>>
>>>>>
>>>>> --
>>>>> Asif Iqbal
>>>>> PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
>>>>> A: Because it messes up the order in which people normally read text.
>>>>> Q: Why is top-posting such a bad thing?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> ubuntu-server mailing list
>>> ubuntu-server at lists.ubuntu.com
>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-server
>>> More info: https://wiki.ubuntu.com/ServerTeam
>>
>>
>>
>>
>
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-- 
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?




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