From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlad Seliverstov Subject: Re: [Bug 11619] New: Hotplug doesn't work with SAS1064 Date: Tue, 14 Oct 2008 17:11:19 +0400 Message-ID: <48F49A77.6030804@yandex-team.ru> References: <20080922161028.d519bffd.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from cavolo.yandex.ru ([87.250.244.45]:54960 "EHLO cavolo.yandex.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750970AbYJNNLp (ORCPT ); Tue, 14 Oct 2008 09:11:45 -0400 In-Reply-To: <20080922161028.d519bffd.akpm@linux-foundation.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Andrew Morton Cc: bugme-daemon@bugzilla.kernel.org, linux-scsi@vger.kernel.org, Eric Moore Can I request progress status of this bug? I have more than 100 boxes with this controller, and I can't change faulty hard drives without reboot. And I can't use 2.6.20 on them too. :( Andrew Morton wrote: > (switched to email. Please respond via emailed reply-to-all, not via the > bugzilla web interface). > > On Mon, 22 Sep 2008 02:49:03 -0700 (PDT) > bugme-daemon@bugzilla.kernel.org wrote: > >> http://bugzilla.kernel.org/show_bug.cgi?id=11619 >> >> Summary: Hotplug doesn't work with SAS1064 >> Product: IO/Storage >> Version: 2.5 >> KernelVersion: 2.6.27-rc6 >> Platform: All >> OS/Version: Linux >> Tree: Mainline >> Status: NEW >> Severity: high >> Priority: P1 >> Component: SCSI >> AssignedTo: linux-scsi@vger.kernel.org >> ReportedBy: vseliverstov@yandex-team.ru >> >> >> Latest working kernel version: 2.6.20 >> Earliest failing kernel version: 2.6.22 >> Hardware Environment: Any Intel-powered server with SAS1064 PCI-X SAS >> controller >> Problem Description: I have linux-box with SAS1064 PCI-X SAS Controller, and >> I'm experiencing problems with hotswapping. When I detach disk from system, >> replace it with another one, and trying to attach it again, nothing happens. >> After reboot, it's OK - I have this disk attached and functioning. Interesting, >> that if I try to attach old disk just after detaching it's OK too. >> I've tried following Vanilla kernel builds from linux git tree: 2.6.20, 2.6.22, >> 2.6.24, 2.6.26, 2.6.27-rc6 and it's worked only with 2.6.20. So, I tried to >> bisect buggy commit between 2.6.20 and 2.6.22 versions. >> Here is bad commit: df9e062ad994c4db683377b108c0dbed4690e4b0 >> >> Steps to reproduce: >> - detach disk with: >> # echo "scsi remove-single-device x y z k" > /proc/scsi/scsi >> - physically remove it and insert another one; >> - try to attach disk with: >> # echo "scsi add-single-device x y z k" > /proc/scsi/scsi >> or with >> echo "- - -" > /sys/class/scsi_host/hostN/scan >> >> > > Eric, df9e062ad994c4db683377b108c0dbed4690e4b0 was your > > commit df9e062ad994c4db683377b108c0dbed4690e4b0 > Author: Eric Moore > Date: Mon Jan 29 09:46:21 2007 -0700 > > [SCSI] fusion - serialize target resets in mptsas.c > -- Vlad Seliverstov +7 (495) 739-7000 ext. 7132 www.yandex.ru