mysterious process scsi_eh_5

[Dave Burns]

Thanks for catching me that fish, but tomorrow I'll be hungry again.

So [...] usually means kernel thread. And if I see that and want to know
more about it, what documentation would I start looking at? If you hadn't
just told me what scsi_eh_5 was, where would I look for a clue? Is there a
good google search that would have told me this?
Thanks,
Dave

On Wed, Feb 20, 2008 at 10:47 PM, Tomasz Torcz <tomek at crocom.com.pl> wrote:

>
> Dnia 20-02-2008, śro o godzinie 10:40 -1000, Dave Burns pisze:
> > When I do ps -ef, I see a mysterious process:
> >
> > ps -ef|grep scsi_eh_5
> > root     31004    11  0 09:29 ?        00:00:00 [scsi_eh_5]
> >
> > How do I figure out what is really running, what rpm its from, etc.?
> > What do the brackets [...] indicate?
>
>  "ps" prints brackets when process arguments are not available to read.
> This is typical for kernel threads. scsi_eh_5 is a kernel thread, a SCSI
> Error Handler. It is spawned for each SCSI host in computer (there
> should be EH thread for each /sys/class/scsi_host/* )
>
> > I suspect this has to do with a USB drive I have plugged in (because I
> > have no scsi anything).
>
>  Probably yes. USB Mass Storage uses various SCSI command sets. Just
> like SATA, FC.
>
>
> --
> Tomasz Torcz
>
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