Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965026AbVIKSYr (ORCPT ); Sun, 11 Sep 2005 14:24:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965025AbVIKSYq (ORCPT ); Sun, 11 Sep 2005 14:24:46 -0400 Received: from mta07-winn.ispmail.ntl.com ([81.103.221.47]:20202 "EHLO mta07-winn.ispmail.ntl.com") by vger.kernel.org with ESMTP id S965028AbVIKSYp (ORCPT ); Sun, 11 Sep 2005 14:24:45 -0400 Message-ID: <4324766B.70107@gentoo.org> Date: Sun, 11 Sep 2005 19:24:43 +0100 From: Daniel Drake User-Agent: Mozilla Thunderbird 1.0.6 (X11/20050820) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Kasper Peeters Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: crash upon rmmod aic7xxx (pcmcia) References: <17188.9683.311780.197075@sbox13.aei.mpg.de> <432444B6.7070309@gentoo.org> <17188.28765.826177.728033@sbox13.aei.mpg.de> In-Reply-To: <17188.28765.826177.728033@sbox13.aei.mpg.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1932 Lines: 50 (please use reply-to-all) Kasper Peeters wrote: >>Try enabling magic sysrq and press Alt+sysrq+9 then Alt+SysRq+P > > > I just spent an hour trying to make this work: it's turned on in the > kernel, I have done > > echo '1' > /proc/sys/kernel/sysrq > > , I have done a 'showkey -s' to find out that my sysrq generates > '0x53', I have done 'setkeycodes 53 84', but none of the > alt-sysrq-command things does anything (even before triggering the > aic7xxx bug, that is). I must have overlooked something stupid. > > Anyhow, for what it's worth, the 'rmmod' does spit out some more stuff > to the console just before the crash (inasfar it has not yet scrolled > off the screen): > > Sequencer Free SCB List 0 1 2 > Sequencer SCB Info > 0 SCB_CONTROL[0x0]:SCB_SCSIID[0x67]:SCB_LOW[0x0]:SCB_TAG[0xff] > 1 SCB_CONTROL[0x0]:SCB_SCSIID[0xff]:(TWIN_CHNLB|OID|TWIN_TIB)SCB_LUN[0xff]:(SCB_XFERLEN_ODD|LID)SCB_TAG[0xff] > 2 SCB_CONTROL[0x0]:SCB_SCSIID[0xff]:(TWIN_CHNLB|OID|TWIN_TIB)SCB_LUN[0xff]:(SCB_XFERLEN_ODD|LID)SCB_TAG[0xff] > Pending List: > 2 SCB_CONTROL[0x40]:(DISCENB)SCB_SCSIID[0x47]:SCB_LUN[0x0] > Kernel Free SCB List: 1 0 > Untagged Q(4):2 > > <<< Dump Card State End >>> > qindex = 0, SCB index=0 > Kernel Panic - not syncing: Loop 1 > Ok, if its a kernel panic then I'm fairly sure sysrq would be useless for debugging even if it worked on your setup. Also, this is the exact same message from the Gentoo bug that I mentioned previously: http://bugs.gentoo.org/102636 Perhaps you could file a bug for this at http://bugzilla.kernel.org and I'll get the Gentoo bug reporter to post his experience on your bug too. Thanks, Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/