Sounds like it is probably hanging in sbp2 while it is trying to logout. Perhaps you can turn on spinlock debug to see if there is a deadlock somewhere? Check wstat for the knodemgrd process aswell, see what it is waiting for. On Sat, Jul 23, 2005 at 09:58:18PM +0200, Stefan Richter wrote: > I wrote: > >Problem 1) Hot unplugging of SBP-2 hangs ieee1394's nodemgr > [...] > >[unplug disk] > >Jul 23 20:08:53 shuttle kernel: ieee1394: Node changed: 1-01:1023 -> > >1-00:1023 > >Jul 23 20:08:53 shuttle kernel: ieee1394: Node suspended: > >ID:BUS[1-00:1023] GUID[0001d202e0200ef1] > >Jul 23 20:08:53 shuttle kernel: ieee1394: sbp2: sbp2_remove > >Jul 23 20:08:53 shuttle kernel: Synchronizing SCSI cache for disk sda: > > I should provide perhaps a little more background about nodemgr. It waits > for > events on the FireWire bus. If it detects physical removal of a node, it > calls > remove callbacks from IEEE 1394 protocol drivers such as sbp2. That's where > sbp2_remove() kicks in. So it all happens in nodemgr's process context, > although > the hang occurs somewhere in the scsi mid or high level, or perhaps in the > driver > core when it is called from scsi. > > [...] > >Jul 23 21:04:49 shuttle kernel: ieee1394: GUID 0x00301bac00002ba4: > >bus_info_data[0] = 0x0404912b > > Ignore this line. It is normally not logged by ieee1394. > -- > Stefan Richter > -=====-=-=-= -=== =-=== > http://arcgraph.de/sr/ > > > ------------------------------------------------------- > SF.Net email is sponsored by: Discover Easy Linux Migration Strategies > from IBM. Find simple to follow Roadmaps, straightforward articles, > informative Webcasts and more! Get everything you need to get up to > speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click > _______________________________________________ > mailing list linux1394-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/linux1394-devel -- Debian - http://www.debian.org/ Linux 1394 - http://www.linux1394.org/ Subversion - http://subversion.tigris.org/ SwissDisk - http://www.swissdisk.com/ - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
