http://bugzilla.kernel.org/show_bug.cgi?id=11619 ------- Comment #1 from anonymous@xxxxxxxxxxxxxxxxxxxx 2008-09-22 16:11 ------- Reply-To: akpm@xxxxxxxxxxxxxxxxxxxx (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@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxx > ReportedBy: vseliverstov@xxxxxxxxxxxxxx > > > 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 <eric.moore@xxxxxxx> Date: Mon Jan 29 09:46:21 2007 -0700 [SCSI] fusion - serialize target resets in mptsas.c -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- To unsubscribe from this list: 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