On Fri, 2006-01-20 at 19:17 -0600, James Bottomley wrote:
> On Fri, 2006-01-20 at 16:50 -0800, Andrew Morton wrote:
> > For linux-scsi reference, Chase's /proc/slabinfo says:
> >
> > scsi_cmd_cache 1547440 1547440 384 10 1 : tunables 54 27 8 :
> > slabdata 154744 154744 0
>
> There's another curiosity about this: the linux command stack is pretty
> well counted per scsi device (it's how we control queue depth), so if a
> driver leaks commands we see it not by this type of behaviour, but by
> the system hanging (waiting for all the commands the mid-layer thinks
> are outstanding to return). So, the only way we could leak commands
> like this is in the mid-layer command return logic ... and I can't find
> anywhere this might happen.
>
Just to mention, that 2.6.14.2 does not have this problem:
vip ~ # cat /proc/slabinfo | grep scsi
scsi_cmd_cache 60 60 384 10 1 : tunables 54 27
8 : slabdata 6 6 27
but my guess is that the problem may be not in SCSI, as not /and
previosly actually/ I have this:
vip ~ # cat /proc/slabinfo | grep reiser
reiser_inode_cache 556594 556614 408 9 1 : tunables 54 27
8 : slabdata 61846 61846 0
which seems too high too
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