On Fri, 23 Jun 2006 17:04:24 -0400 Vivek Goyal <vgoyal@xxxxxxxxxx> wrote: > > o cciss driver initialization fails and hits BUG() if underlying device > was active during the driver initialization. Device might be active > if previous kernel crashed and this kernel is booting after that using > kdump. > > > ... > > o If crash_boot parameter is set, then ignore the completed command messages > sent by device which have not been issued in the context of this kernel. > > Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx> > --- > > linux-2.6.17-1M-vivek/drivers/block/cciss.c | 7 +++++++ > 1 files changed, 7 insertions(+) > > diff -puN drivers/block/cciss.c~cciss-initialization-issue-over-kdump-fix drivers/block/cciss.c > --- linux-2.6.17-1M/drivers/block/cciss.c~cciss-initialization-issue-over-kdump-fix 2006-06-23 14:04:55.000000000 -0400 > +++ linux-2.6.17-1M-vivek/drivers/block/cciss.c 2006-06-23 14:08:12.000000000 -0400 > @@ -1976,6 +1976,13 @@ static int add_sendcmd_reject(__u8 cmd, > 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 (crash_boot) > + return 0; > return 1; Looks like this is working around a driver problem rather than fixing it properly ;) - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
