[ltp] T40: airo_mpi death under high load? (fwd)

Fabrice Bellet linux-thinkpad@linux-thinkpad.org
Wed, 13 Aug 2003 18:31:37 +0200


On Tue, Aug 12, 2003 at 01:16:01AM +0100, honey@gneek.com wrote:
> Under normal use, the driver works fine.  When however I try and copy
> a large amount of data across the wireless link to an SMB or NFS share,
> I start getting the following in syslog and on all VT consoles:
> 
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: cmd= 21
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: status= 817
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Rsp0= 11f2
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Rsp1= 1b1
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Rsp2= 8ef1
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Max tries exceeded when issueing command 21
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Hung command reg = 8000
> Aug 10 12:13:33 teapot kernel: airo_mpi: airo_kick
> Aug 10 12:13:33 teapot kernel: airo_mpi: airo_clear: Could not clear command busy
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Could not clear command register
> Aug 10 12:13:33 teapot kernel: airo_mpi: issuecommand_nolock: Was busy too long

ACK, I could reproduce this bug. After more than one hour intensive wireless
traffic, the card suddenly becomes unresponsive. That one wont be easy to
debug :-( 

Thanks for reporting it,
-- 
fabrice