Re: Promise PDC20269 (Ultra133 TX2) + Software RAID

Andreas Steinmetz
2004-02-04T21:26:24Z

Pedro Larroy wrote:
> On Tue, Feb 03, 2004 at 02:08:31PM +1030, Ryan Verner wrote:
>
>
>>And the machine is randomly locking up, and of course, on reboot, the
>>raid array is rebuilt. Ouch. Any clues as to why? I'm sure the hard
>>drive hasn't failed as it's brand new; I suspect a chipset
>>compatibility problem or something.
>>
>>R
>>
>
>
> I have similar issues with 20269. I have two cards on one box doing sw raid5
> on 6 ide drives. It only runs stably with 2.4.19
> It has been many months since I assembled that box, and I've tried kernels
> from 2.4.20-ac, 2.5.x, 2.6.2 and all hang after some time running.
>
> I remember that pdcs also hanged a dual processor box.
>

In my case (see my mail to lkml today) I do suspect concurrent disk
access and IO-APIC to be the culprit. If you're using an IO-APIC try
booting with either "noapic" or "hdx=serialize" where hdx is one of the
disks of your controller card.
--
Andreas Steinmetz