[1775] in linux-scsi channel archive
Kernel stack corruption when using xxxx_command()
daemon@ATHENA.MIT.EDU (campbell@tirian.che.curtin.edu.au)
Mon Apr 28 23:06:04 1997
From: campbell@tirian.che.curtin.edu.au
To: linux-scsi@vger.rutgers.edu
Date: Tue, 29 Apr 1997 11:04:28 +0000
I have traced my problem with the parallel port ZIP driver to the
timer queue freezing under heavy CPU loading, a possible solution I
looked at was to use the "old style" ####_command(Scsi_cmnd *cmd)
interface as opposed to queuecommand().
When I use the ####_command() I receive kernel stack corruption, does
anyone know what causes this?
Also I have found that if the done() function is called during the
####_queuecommand() processing that this also causes stack
corruption. ie: done() must be called after returning from the
relevant ####_queuecommand() request and not before.
Any hints most appreciated here...
David Campbell
PS: I have been told that the NCR5830 is a polling style driver, I
will have a look at using this as a template shortly.
