From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: 2.6.16-rc1 crash in scsi_target_reap_work Date: Sat, 11 Feb 2006 11:34:19 +0100 Message-ID: <20060211103419.GA10956@suse.de> References: <20060130164954.GA4711@suse.de> <20060206220434.GA11732@suse.de> <1139265890.3022.63.camel@mulgrave.il.steeleye.com> <20060209200529.GA8968@suse.de> <20060210101124.GA6253@suse.de> <1139580295.3084.3.camel@mulgrave.il.steeleye.com> <20060210141012.GA12147@suse.de> <20060210230140.GA26423@suse.de> <43ED1FE0.1000805@us.ibm.com> <20060210232935.GA27760@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Received: from mx2.suse.de ([195.135.220.15]:9120 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751411AbWBKKec (ORCPT ); Sat, 11 Feb 2006 05:34:32 -0500 Content-Disposition: inline In-Reply-To: <20060210232935.GA27760@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Brian King Cc: James Bottomley , linux-scsi@vger.kernel.org On Sat, Feb 11, Olaf Hering wrote: > On Fri, Feb 10, Brian King wrote: > > > > release = 0xd0000000002190c0}, reap_ref = 0, channel = 255, id = 100, > > > create = 0, scsi_level = 0 '\0', hostdata = 0x0, starget_data = > > > 0x1ffffffec60} > > ^^^^^^^^^^^^^ > > > > This is interesting.. This means that it is on ipr's logical scsi bus > > (255). Assuming this is > > happening at boot time and not due to a user initiated scan through sysfs, > > this > > means we are going through the scsi_add_device path, rather than the > > scsi_scan_host > > path... > > I forgot to attach my notes from the crash, it contains parts of the bootlog. poking around a bit further (after reboot and another crash): cpu0 idle cpu1 idle cpu2 udevd runs, starts to do lstat on 2:mon> d 00000000ffdd3560 123 00000000ffdd3560 2f7379732f646576 696365732f706369 |/sys/devices/pci| 00000000ffdd3570 303030303a303000 303030303a30303a |0000:00.0000:00:| 00000000ffdd3580 30322e3000303030 303a63303a30312e |02.0.0000:c0:01.| 00000000ffdd3590 3000686f73743000 746172676574303a |0.host0.target0:| 00000000ffdd35a0 303a3300303a303a 333a3000f800f018 |0:3.0:0:3:0.....| cpu3 udevd runs, starts to open 3:mon> d 00000000ffdd3aa8 123 00000000ffdd3aa8 2f6465762f2e7564 65762f64622f626c |/dev/.udev/db/bl| 00000000ffdd3ab8 6f636b4073646100 ffdd3ad01000a608 |ock@sda...:.....| cpu4 vol_id runs, about to compat_sys_execve /sbin/vol_id cpu5 crashed in events/5 cpu6 idle cpu7 vol_id runs, starts to open /lib/libc.so.6 -- short story of a lazy sysadmin: alias appserv=wotan