From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rolf Eike Beer Subject: Re: stex driver - kernel panics Date: Wed, 5 Dec 2007 22:49:14 +0100 Message-ID: <200712052249.20782.eike-kernel@sf-tec.de> References: <47571259.9060608@nortel.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1512721.uh5BDqoit0"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail.sf-mail.de ([62.27.20.61]:35003 "EHLO mail.sf-mail.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751884AbXLEVtc (ORCPT ); Wed, 5 Dec 2007 16:49:32 -0500 In-Reply-To: <47571259.9060608@nortel.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Sean Rendell Cc: linux-scsi@vger.kernel.org --nextPart1512721.uh5BDqoit0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Sean Rendell wrote: > Hi all, > > I was wondering if someone knows how to debug this. I have a HP xw4300 PC > with 2G RAM and 3GHz P4. Included is a Promise EX8350 RAID card with 4 > drives configured as RAID5. While doing some lengthy disk exercises (ie cp > a 200G directory of files) the kernel usually panics. > > This is the 2.6.23 kernel patched to 2.6.24-rc4. The only module is the > stex driver, all other drivers are in the kernel. > > Can anyone debug this? (I am not a software guy) Do you need more info? > > cya > Sean > > > (copied by hand from the screen) > raidology:/home# mkdir foo > raidology:/home# cp -a * foo/ > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 40 3c a7 17 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 06 85 cc 17 00 01 00 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 31 1c 66 27 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 4f 1f 87 f7 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 4a 07 d1 ef 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 18 8e 33 30 00 00 01 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 18 8e 33 3f 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 02 ba 77 b7 00 00 08 00 > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 printing eip: 00000000 *pde = 00000000 > Oops: 0000 [#1] SMP > Modules linked in: stex > > Pid: 0, comm: swapper Not tainted (2.6.24-rc4loca-RAID5-02 #1) > EIP: 0060:[<00000000>] EFLAGS: 00010046 CPU:0 > EIP is at run_init_process+0x3fefff40/0x20 > EAX: f7760900 EBX: f7548d78 ECX: f7760900 EDX: 00000000 > ESI: f7760900 EDI: f7f6eaa0 EBP: f7f6ea70 ESP: c04ebeec > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS:0068 > Process swapper (pid: 0, ti=c04ea000 task=c04b53a0 task.ti=c04ea000) > Stack: f887c4be c04ebf24 c04ebf1c c04ebf2c f8d9e000 f7f6eaa0 00000001 > 00ced0bd f7f6ea70 f8d9e000 00000246 00000001 f887ceb2 f7670e80 00000000 > 00000000 00000010 c013dff5 c04df580 00000010 00000000 c04df5b0 c013f7d4 > 00000800 Call Trace: > [] stex_mu_intr+0x10e/0x4f0 [stex] > [] stex_intr+0x42/0x70 [stex] > [] handle_IRQ_event+0x25/0x60 > [] handle_fasteoi_irq+0x74/0xf0 > [] do_IRQ+0x3b/0x80 > [] smp_apic_timer_interrupt+0x57/0x90 > [] common_interrupt+0x23/0x28 > [] mwait_idle_with_hints+0x46/0x60 > [] cpu_idle+0x65/0x80 > [] start_kernel+0x2af/0x2f0 > [] unknown_bootoption+0x0/0x1f0 > ======================= > Code: Bad EIP value. > EIP: [<00000000>] run_init_process=0x3fefff40/0x20 SS:ESP 0068:c04ebeec > Kernel panic - not syncing: Fatal exception in interrupt gdb stex.o l *stex_mu_intr+0x10e That will give you the exact line that failed Greeting, Eike --nextPart1512721.uh5BDqoit0 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4-svn0 (GNU/Linux) iD8DBQBHVxzgXKSJPmm5/E4RAo1aAJ9QTITIlXjxS+zvIcR3ZdE94roH9gCePDLr D0MqjxuGggWt/QuuIgSTDlU= =DCVC -----END PGP SIGNATURE----- --nextPart1512721.uh5BDqoit0--