Return-path: Received: from mx2.redhat.com ([66.187.237.31]:58769 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbYJIQH4 (ORCPT ); Thu, 9 Oct 2008 12:07:56 -0400 Subject: Re: rc9 + orinoco WPA patchset: BUG: scheduling while atomic loading firmware with PCMCIA adapter From: Dan Williams To: Andrey Borzenkov Cc: Matthew Wilcox , orinoco-devel@lists.sourceforge.net, linux-wireless@vger.kernel.org, linux-pcmcia@lists.infradead.org, Linux Kernel Mailing List In-Reply-To: <200810091959.54987.arvidjaar@newmail.ru> References: <200810091722.56812.arvidjaar@newmail.ru> <20081009133125.GW25780@parisc-linux.org> <200810091959.54987.arvidjaar@newmail.ru> Content-Type: text/plain Date: Thu, 09 Oct 2008 12:06:50 -0400 Message-Id: <1223568410.18104.42.camel@dhcp-100-3-195.bos.redhat.com> (sfid-20081009_180802_733859_1B860608) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2008-10-09 at 19:59 +0400, Andrey Borzenkov wrote: > On Thursday 09 October 2008, Matthew Wilcox wrote: > > > > On Thu, Oct 09, 2008 at 05:22:55PM +0400, Andrey Borzenkov wrote: > > > After loading orinoco and "inserting" adapter I get either BUG with > > > endless loop (attached) or kernel panic on NULL pointer dereference > > > (was not able capture). Adapter works fine with wlags49 driver. > > > > It looks like you've fallen off the bottom of the kernel stack. Do you > > have 4k stacks enabled in your config? > > > > You are right. Using 8K stacks load and runs fine. Hmm ... not nice > from it :p == driver bug; the driver should not require large stacks and this should get fixed. Dan