Jelle Foks wrote:
> Hello,
>
> Just a small note.
>
> I have a dual system too, which is rock stable with 2.2.7, including high
> loads and high disk activity. However, with 2.2.9, I get stability
> problems under loads of high disk activity (tried both with and without
> bdflush, both are unstable for me (sudden deadlock, no messages, no
> magic sysrq, nothing)... and when I say high disk activity I mean 1 or 2
> parallel bonnie tests on a software raid0 array (IDE/UDMA)).
>
> So, if you still have problems, give 2.2.7 a try...
>
> Cya,
>
> Jelle.
>
Indeed, even without bdflush I found Linux 2.2.9 SMP not stable. These
sudden deadlocks occur not as frequent as with a running bdflush daemon,
but nevertheless they occur and seem to be related to heavy I/O activity,
e.g. reading the whole directory tree for a backup. I'm also using IDE/UDMA
disks (without RAID, connected to a Promise Ultra33 controller).
Yesterday it happened again resulting in a corrupted root file system :-|
Now I've tried Jelle's recommendation and switched back to 2.2.7. I found
no problems until now, but let's see...
Olaf.
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