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SubjectRe: OOPS (kswapd) in 2.4.5 and 2.4.6
Date

>
> I wonder why it only affects you. Is the drive which holds
> your swap partition running in PIO mode? `hdparm' will tell
> you. If it is, then that could easily cause the page to come
> unlocked before brw_page() has finished touching the buffer
> ring. Then all it takes is a parallel try_to_free_buffers
> on the other CPU.

Here's output from htparm:

/dev/hda:
multcount = 0 (off)
I/O support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 2494/255/63, sectors = 40079088, start = 0

Does this provide the info you need?

I believe another chap responded to my post with a similar issue (also
SMP machine).

Uptime now 21:55 with no oops.

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