Re: Device mapper regression 2.6.23 vs. v2.6.23-6597-gcfa76f0

[Thomas Meyer <thomas@m3y3r.de>]

Kay Sievers schrieb:
> On Mon, 2007-10-29 at 00:18 -0700, Andrew Morton wrote:
>   
>> On Sun, 21 Oct 2007 21:23:21 +0200 Thomas Meyer <thomas@m3y3r.de> wrote:
>>     
>>> I have an external hard drive with an encrypted partition. I am using
>>> kde so all i had to do under 2.6.23 was
>>>   "cryptsetup luksOpen /dev/sdb2 crypt-extern"
>>>
>>> then udev/hal/kde (?)automatically created an desktop icon. i could
>>> click this icon to mount and open the drive.
>>>
>>> when i do the luksOpen command with v2.6.23-6597-gcfa76f0 this icon is
>>> not created anymore.
>>>
>>> a few commits were made in drivers/md, so it seems something broke.
>>>
>>> config extract:
>>>
>>> CONFIG_MD=y
>>> # CONFIG_BLK_DEV_MD is not set
>>> CONFIG_BLK_DEV_DM=y
>>> # CONFIG_DM_DEBUG is not set
>>> CONFIG_DM_CRYPT=y
>>> CONFIG_DM_SNAPSHOT=m
>>> CONFIG_DM_MIRROR=m
>>> CONFIG_DM_ZERO=m
>>> # CONFIG_DM_MULTIPATH is not set
>>> CONFIG_DM_DELAY=m
>>> CONFIG_DM_UEVENT=y
>>> # CONFIG_FUSION is not set
>>>
>>> any ideas?
>>>
>>>       
>> Could be DM breakage, could be udev/sysfs breakage.  Is it still happening
>> in current mainline?
>>     
>
> There are no obvious changes, which I would expect to cause a breakage
> in this area. 
>
>   
>> And how come I'm seeing unresponded-to-for-a-week regression
>> reports on lkml?
>>     
>
> It works fine with 2.6.24-rc1+ and GNOME, even without any initial shell
> command to set it up. Just inserting a LUKS volume, brings up a password
> dialog, and then mounts all automatically.
>
> There was a timing problem fix in HAL (in 0.5.10), maybe that is what
> happens here.
>   
Hal version is 0.5.9.1-r2.

to make things clear:
boot 2.6.23 doing "cryptsetup luksOpen /dev/sdb2 crypt-extern" -> kde
asks to mount new device
boot v2.6.24-rc1-497-gb1d08ac doing "cryptsetup luksOpen /dev/sdb2
crypt-extern" -> nothing happens in kde.

same user land, different kernel.

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