I don't know if it is related or not. I don't use ext4 and have no
symptoms of disappearing root. I attach a photo taken using a recent
kernel. The latest crashes I've experienced for the past few months
prevented syncing, so didn't get logged. The other screen capture is
older, may not be relevant nowdays.

Thx:
Dw.
-- 
dr Tóth Attila, Radiológus, 06-20-825-8057
Attila Toth MD, Radiologist, +36-20-825-8057

2010.December 26.(V) 09:46 időpontban pageexec@freemail.hu ezt írta:
> On 26 Dec 2010 at 1:59, Michael Orlitzky wrote:
>
>> I've got (at least) two servers that lose their root partition after
>> this upgrade. One of them has an HP cciss SCSI RAID controller; the
>> other has a single IDE hard drive. Assuming the problem is something
>> common, I'll stick to describing the one with the array for now.
>
> which grsec is this ebuild based on? my guess is that it's a recent
> PaX/UDEREF
> hardening that's causing this and should be mostly fixed now except for
> the
> IP checksum code fix which i'll release soon. in the meantime you can
> disable
> UDEREF. if you don't have it enabled then i don't know what it is, we'll
> need
> more debugging, let me know.
>
>