From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IGvhw-0007CH-4N for qemu-devel@nongnu.org; Fri, 03 Aug 2007 07:52:40 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IGvhu-0007Bq-Gj for qemu-devel@nongnu.org; Fri, 03 Aug 2007 07:52:39 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IGvhu-0007Bn-E2 for qemu-devel@nongnu.org; Fri, 03 Aug 2007 07:52:38 -0400 Received: from hall.aurel32.net ([88.191.38.19]) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IGvht-0007Vf-V4 for qemu-devel@nongnu.org; Fri, 03 Aug 2007 07:52:38 -0400 Received: from anguille.univ-lyon1.fr ([134.214.4.207]) by hall.aurel32.net with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1IGvhp-00035v-8T for qemu-devel@nongnu.org; Fri, 03 Aug 2007 13:52:33 +0200 Message-ID: <46B316FB.30001@aurel32.net> Date: Fri, 03 Aug 2007 13:52:27 +0200 From: Aurelien Jarno MIME-Version: 1.0 Subject: Re: [Qemu-devel] Sparc guest - SCSI References: <46B2EB20.4080501@bandsman.co.uk> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Andreas Färber a écrit : > Am 03.08.2007 um 10:45 schrieb Nigel Horne: > >> Guest: Linux/sparc >> Host: Linux/x86 >> >>> From time to time I am getting SCSI errors from the guest using the >> latest CVS: >> >> scsi : aborting command due to timeout : pid 50803, scsi0, channel >> 0, id 0, lun 0 0x2a 00 00 3d be 84 00 00 08 00 esp0: Aborting command >> esp0: dumping state >> esp0: dma -- cond_reg addr >> esp0: SW [sreg<00> sstep<04> ireg<18>] >> esp0: HW reread [sreg<03> sstep<00> ireg<10>] >> esp0: current command [tgt<00> lun<00> pphase >> cphase] >> esp0: disconnected SCSI host 0 abort (pid 50803) timed out - resetting >> SCSI bus is being reset for host 0 channel 0. >> esp0: Resetting scsi bus >> esp0: SCSI bus reset interrupt >> >> As far as I can tell the guest recovers fine, but it may be worth >> investigating. > > I reported similar errors recently (OS X ppc host) - for me it panics > afterwards and does not recover fine. I got the impression that it > happens later if I disable the lance NIC. > The problem appears when one interrupt on the SCSI controller is triggered twice by the interrupt controller, the second interrupt disturb the driver. I have fixed one problem like that a few months ago in the CVS, so it happens less often, but there is still a problem somewhere. -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' aurel32@debian.org | aurelien@aurel32.net `- people.debian.org/~aurel32 | www.aurel32.net