On Thu, 14 Jun 2007 11:31:19 -0400 Neil Horman wrote: > Hey - > cciss hardware currently can continue to send responses to scsi commands > after the host system has undergone a kexec reboot. The way the drier is > currently written, reception of these commands results in a BUG halt, since it > can't match the response to any issued command since the boot. This patch > corrects that by using the kexec reset_devices command line paramter to force > ignore any commands that it cant correlate. > > Regards > Neil > > Signed-off-by: Neil Horman <[EMAIL PROTECTED]> > > > cciss.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > > diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c > index 5acc6c4..ec1c1d2 100644 > --- a/drivers/block/cciss.c > +++ b/drivers/block/cciss.c > @@ -2131,6 +2131,14 @@ static int add_sendcmd_reject(__u8 cmd, int ctlr, > unsigned long complete) > ctlr, complete); > /* not much we can do. */ > #ifdef CONFIG_CISS_SCSI_TAPE > + /* We might get notification of completion of commands > + * which we never issued in this kernel if this boot is > + * taking place after previous kernel's crash. Simply > + * ignore the commands in this case. > + */ > + if (reset_devices) > + return 0; > + > return 1; > }
But this patch applies only to SCSI tape devices, not to disk devices? --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
