> -----Original Message----- > From: Jens Axboe [mailto:[EMAIL PROTECTED] > Sent: Monday, July 16, 2007 4:18 AM > To: Flavio Curti > Cc: Nick Piggin; Michal Piotrowski; Flavio Curti; > linux-kernel@vger.kernel.org; Promise_Linux > Subject: Re: panics with 16port Promise Supertrack EX Controller > > > On Sun, Jul 15 2007, Flavio Curti wrote: > > Hello > > > > On Mon, Jul 09, 2007 at 11:59:36AM +1000, Nick Piggin wrote: > > > >Jul 8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046 > > > >(2.6.22-rc7-dorade #1) > > > >>The machine panics > > > >>after some days of running fine, the machine inst heavy loaded. > > > >>The Controller detects as stex device: > > > >kernel BUG at block/as-iosched.c:1084! > > > > > > > >BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC])); > > > Could be a bug in the driver that just happens to be > caught by AS checks. > > > If you could test another scheduler (boot with > elevator=deadline or > > > elevator=cfq), > > > it might help give us an idea. > > > > Ok, I now switched to cfg, and the machine panicd again. > Panic attached. > > Any help is appreciated. > > It really looks like a stex bug - perhaps it's doing double > completions > of a request? >
I will come up with something related to tag lock, and see what happens after that. Ed Lin - 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/