Tim Blechmann wrote:
>>> running 2.6.31-rc5 (7cb7beb31aa3d941833b6a6e553687422c31e4b6 to be
>>> exact), sometimes some hard disks don't show up.
>>>
>>> after booting, my root hd (sda) is mounted to /, while two other hds
>>> (sdb/sdc) are mounted as a user. sda is always present, but the other
>>> two sometimes don't show up (i.e. they are not listed in /dev/disk/, nor
>>> to they have a /dev/sdX link). with 2.6.29 and 2.6.30, all three disks
>>> are reported correctly.
>> Can you please attach boot logs of a successful and a failed boot?
> 
> i have two files attached:
> - dmesg_good - all hds are available
> - dmesg_bad - on hd is missing

Can you please apply the attached patch and post the bad boot log?

Thanks.

-- 
tejun