[PATCH ]Re: hal doesn't recognize mounting of devices

[Danny Kukawka]

On Tuesday 25 October 2005 00:41, Jon Nettleton wrote:
> I have already found this lone post to the kernel about the problem,
> http://lkml.org/lkml/2005/9/14/138 .  I have done some of my own testing
> and basically come to the conclusion, this is less likely to happen when
> not using preemption, however it can be triggered.  The ridiculously
> simple patch I am using right now which seems to work fine is this.

If I see this rigth it's really a kernel bug if you use voluntary preempt 
kernel. Is this in any distro-default kernel? Not really sure if we should 
workaround this defaultly.

Btw. I attached a patch as workaround. Maybe someone could test this and check 
the sleep (maybe also higher and lower values). I added a retry instead of a 
sleep before check /proc/mounts to prevent delay on systems where this work 
correct. Unfortunately we have now a delay (0.2 seconds) with relly unmounted 
devices. The only solution would be add a key to enable/disable the retry 
(disabled by default and only enable with fdi file).

Please review and comment.

Cheers,

Danny

 ChangeLog              |    8 ++++++
 hald/linux2/blockdev.c |   52 +++++++++++++++++++++++++--------------
 2 files changed, 42 insertions(+), 18 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: hal-workaround_is_mounted.diff
Type: text/x-diff
Size: 3633 bytes
Desc: not available
Url : http://lists.freedesktop.org/archives/hal/attachments/20051025/48b60c64/hal-workaround_is_mounted.bin