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strange output from ps when mt hangs
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: strange output from ps when mt hangs
- From: Andrew Dalgleish <andrewd_(_at_)_axonet_(_dot_)_com_(_dot_)_au>
- Date: Tue, 17 Oct 2000 20:45:02 +1100
I am having some difficulty with my scsi card+dat combination.
I am running 2.8-current, GENERIC with RAIDframe.
(Some of) the relevent bits from dmesg are:
aic0 at isa0 port 0x340/32 irq 11
scsibus1 at aic0: 8 targets
st0 at scsibus1 targ 0 lun 0: <ARCHIVE, Python 04687-XXX, 6580> SCSI2
st0: drive empty
If I try to access the DAT in anyway, mt hangs.
The only way I have found to remove the hung process is to reboot.
I can not kill mt, although I can kill the parent shell.
What really piques my curiosity is the "DW" flags from ps:
18582 p0- DW 0:00.05 mt status
given the relevent bits from man ps
D Marks a process in disk (or other short term,
W The process is swapped out.
I would have expected that any process which is in a short wait would
not get swapped out.
Has anyone seen this before?
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