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@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
--
Vlad Seliverstov
+7 (495) 739-7000 ext. 7132
www.yandex.ru
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