FC2: SMP problems on IBM X330 server

[John Wendel]

On Friday 16 July 2004 11:02 am, Richard Welty wrote:
> i have an IBM X330 which has run well with a single CPU and
> FC2 for a while now. i recently acquired a second PIII for it and
> am having no luck getting it to work with the SMP kernel.
>
> the kernels i've been using are:
>
> $ rpm -q kernel
> kernel-2.6.6-1.435
> $ rpm -q kernel-smp
> kernel-smp-2.6.6-1.435
>
> the CPUs are a pair of 1266MHz PIIIs, both of the same stepping,
> and both pass the built in CPU diagnostics w/o trouble. with both
> CPUs installed, the non-SMP kernels boot and run just fine.
>
> when i try to bring the SMP kernel up, it starts but after it reports
>
> using cfq io scheduler
>
> it then starts having problems with the IDE CD-ROM driver (all
> the hard drives are SCSI drives on a RAID controller):
>
> ide0 at 0x1f0-01f7, 03f6 on irq 14
> ide-cd: cmd 0x5a timed out
> hda: lost interrupt
>

> thanks,
>    richard

Total shot in the dark since I don't have a box like this, but I'd disable DMA 
on the failing device (assuming that it is on).

Regards,

John Wendel