Re: QLA2200 causes kernel bug

[Andrew Vasquez <andrew.vasquez@qlogic.com>]

On Thu, 06 Aug 2009, Thomas Georgiou wrote:

> Whenever I have the qla2xxx module loaded, some kernel problem
> eventually occurs.  Sometimes its an oops, a bug, or once, a crash.
> The same thing has been seen to happen on 3 different machines all
> with qla2200 cards in them.
> 
> Here is the latest backtrace:
> [42151.610011] kernel BUG at drivers/scsi/scsi_transport_fc.c:3022!
> [42151.610011] invalid opcode: 0000 [#1] SMP

This looks similar to:

	http://thread.gmane.org/gmane.linux.scsi/49853/focus=50297

with a proposed (though not-liked) solution here:

	http://article.gmane.org/gmane.linux.scsi/50297

Could someone refresh my memory, why was there an issue with re-adding
rports after dev-loss-tmo triggered?


Thomas, could you forward the full messages file?  I'm interested in
seeing what series of events led up to the BUG_ON().  The snippets
here and in the bugzilla only document the failing point BUG_ON().
Also, could you get a test run with the driver error-logging enabled
as well:

	$ modprobe -v qla2xxx ql2xextended_error_logging=1

-- av