linux-ext4 - Re: udevd / ext4 issue mounting 2.6.35-rc5

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Message-ID: <AANLkTimTdy2DmcdXtgFvtREMX8bMADk73Oz5bwpeHw6H@mail.gmail.com>
Date:	Fri, 23 Jul 2010 10:56:35 -0700
From:	"Luis R. Rodriguez" <mcgrof@...il.com>
To:	Daniel J Blueman <daniel.blueman@...il.com>,
	"Luis R. Rodriguez" <mcgrof@...il.com>
Cc:	linux-ext4@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Ubuntu Kernel Team <kernel-team@...ts.ubuntu.com>,
	linux-kernel@...r.kernel.org,
	linux-wireless <linux-wireless@...r.kernel.org>
Subject: Re: udevd / ext4 issue mounting 2.6.35-rc5

On Fri, Jul 23, 2010 at 9:49 AM, Luis R. Rodriguez <mcgrof@...il.com> wrote:
> On Thu, Jul 22, 2010 at 2:10 AM, Daniel J Blueman
> <daniel.blueman@...il.com> wrote:
>> On 22 July 2010 02:06, Luis R. Rodriguez <mcgrof@...il.com> wrote:
>>> On Wed, Jul 21, 2010 at 1:43 AM, Daniel J Blueman
>>> <daniel.blueman@...il.com> wrote:
>>>> Hi Luis,
>>>>
>>>> On 21 July 2010 01:36, Luis R. Rodriguez <mcgrof@...il.com> wrote:
>>>>> I have been reluctant to boot to 2.6.35-rc due to the large set of
>>>>> regression list and the amount of work I needed to actually get done
>>>>> on 2.6.35. Last I checked the regression list it was getting small so
>>>>> I gave it a spin today. No luck. I get some bootup error from udevd
>>>>> and ext2/ext3/ext4, something like this:
>>>>>
>>>>> EXT3-fs (sda1): error: couldn't mount because of unsupported optional
>>>>> features (240)
>>>>> EXT2-fs (sda1): error: couldn't mount because of unsupported optional
>>>>> features (240)
>>>>> EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
>>>>
>>>> This succeeded.
>>>
>>> Heh, OK :)
>>>
>>>>> VFS: Mounted root (ext4 filesystem) readonly on device 8:1
>>>>> Freeing unused kernel memory: 708k freed
>>>>> Write protecting the kernel read-only data: 102040k
>>>>> Freeing unused kernel memory: 764k freed
>>>>> Freeing unused kernel memory: 1796k freed
>>>>> udevd: failed to create queue file: No such file or directory
>>>>> udevd: error creating queue file
>>>>
>>>> It looks like you need to enable:
>>>>
>>>> CONFIG_DEVTMPFS
>>>> CONFIG_DEVTMPFS_MOUNT
>>>
>>> Thanks, it also turned out that when I upgraded from Ubuntu 9.10 to
>>> Ubuntu 10.04 it replaced my own /sbin/installkernel so this was likely
>>> another issue. My /sbin/installkernel changes allow for easy initramfs
>>> installation on Debian/Ubuntu but my patches have been ignored my the
>>> maintainer.
>>>
>>> --- installkernel-ubuntu-10.04  2010-07-21 18:03:34.607678010 -0700
>>> +++ installkernel       2010-01-29 13:17:10.000000000 -0800
>>> @@ -36,7 +36,8 @@
>>>  # Create backups of older versions before installing
>>>  updatever () {
>>>   if [ -f "$dir/$1-$ver" ] ; then
>>> -    mv "$dir/$1-$ver" "$dir/$1-$ver.old"
>>> +    #mv "$dir/$1-$ver" "$dir/$1-$ver.old"
>>> +    rm -f "$dir/$1-$ver" "$dir/$1-$ver.old"
>>>   fi
>>>
>>>   cat "$2" > "$dir/$1-$ver"
>>> @@ -75,5 +76,16 @@
>>>  if [ -f "$config" ] ; then
>>>   updatever config "$config"
>>>  fi
>>> +
>>> +LSB_RED_ID=$(/usr/bin/lsb_release -i -s)
>>> +
>>> +case $LSB_RED_ID in
>>> +"Ubuntu")
>>> +       update-initramfs -c -k  $ver
>>> +       update-grub
>>> +       ;;
>>> +*)
>>> +       ;;
>>> +esac
>>>
>>>  exit 0
>>>
>>> But anyway I also now get another boot failure with:
>>>
>>> mount: mounting /dev on /root/dev failed: No such file or directory
>>> mount: mounting /sys on /root/sys failed: No such file or directory
>>
>> Hmm...the scripts in the initrd are not doing what is expected -
>> perhaps if you didn't use:
>> linux$ fakeroot make-kpkg --append-to-version -luis1 --initrd kernel-image
>
> I am not using that to build my kernels I just build my kernels with
>
> make
> sudo make modules_install install
>
>> ...or if there are eg initrd script modifications on the filesystem
>> when it cooked the initd.
>
> I haven't modified any initrd scripts.
>
>> You could just try eg:
>> http://archive.ubuntu.com/ubuntu/pool/main/l/linux/linux-image-2.6.35-9-generic_2.6.35-9.14_amd64.deb

Fun, so that kernel actually works but the one I am building from
wireless-testing.git does not. The curious thing is it doesn't boot
even if I remove my 802.11 module... so something is fishy. This is
likely a config issue. After booting with the above kernel though I
generated a new one with

make localmodconfig

and then enabled my 802.11 modules. Still, no luck.. Going to reset my
tree, I had manually merged Linus' latest stuff in but I don't think
this should matter.

  Luis
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