[Xen-bugs] [Bug 262] New: filesystem test on domU's SAN disk hangs

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=262

           Summary: filesystem test on domU's SAN disk hangs
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: hien1@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx


Hardware: x335 SLES9 base 2GB RAM

x335-hien2:/xen-unstable.hg # hg tip
changeset:   6882:75fe7890cf013178e376b88e00158c5b9c8c4324
tag:         tip
user:        cl349@xxxxxxxxxxxxxxxxxxxx
date:        Thu Sep 15 13:39:17 2005
summary:     Export block device read-only state into store.

dom0 built with Emulex driver module for SAN disk. The domU configured with
physical disk (sde2) in its config file. Run fs_di test on /dev/sde2. The test
run for a while and got IO error in dmesg:

 end_request: I/O error, dev sde2, sector 29168072
end_request: I/O error, dev sde2, sector 29174488
end_request: I/O error, dev sde2, sector 29176536
end_request: I/O error, dev sde2, sector 29177560
end_request: I/O error, dev sde2, sector 29179096
end_request: I/O error, dev sde2, sector 29186272
end_request: I/O error, dev sde2, sector 29190888
end_request: I/O error, dev sde2, sector 29194472
end_request: I/O error, dev sde2, sector 29204728
end_request: I/O error, dev sde2, sector 29209336
end_request: I/O error, dev sde2, sector 29210872
end_request: I/O error, dev sde2, sector 29210960
end_request: I/O error, dev sde2, sector 29216512
end_request: I/O error, dev sde2, sector 29216600
end_request: I/O error, dev sde2, sector 29219072
......
......

domU's config file:
# Kernel image file.
kernel = "/boot/vmlinuz-2.6-xenU"
# Optional ramdisk.
# ramdisk = "/boot/initrd-2.6.12-xenU"
# The domain build function. Default is 'linux'.
builder='linux'
# Initial memory allocation (in megabytes) for the new domain.
# memory = 256
memory = 128
cpus = 2
# A name for your domain. All domains must have different names.
name = "x335-hien2-vm1"
disk =  [ 'file:/SLES9-FILEVBD1/sles9-32-filevbd3,sde1,w',
          'phy:sde2,sde2,w' ]
# Set if you want dhcp to allocate the IP address.
# vif =  [ 'mac= AA:00:00:17:12:6E, ip=10.5.1.1' ]
vif =  [ 'mac= AA:00:00:17:12:6E, ip=9.3.189.241' ]
# Set if you want dhcp to allocate the IP address.
# dhcp="dhcp"
# Set netmask.
netmask = '255.255.255.0'
# Set default gateway.
gateway = '10.5.1.1'
# Set the hostname.
hostname= "x335-sles9-vm1"
 
 
# Set root device.
root = "/dev/sde1 ro"
----------
ps -ef shows that the cp command hangs:

root      2885  2865  0 15:25 tty1     00:00:00 -bash
root      2991  2885  0 15:33 tty1     00:00:00 /bin/bash ./fs_ditest.sh 
/dev/sde2
root      2993     5  0 15:33 ?        00:00:00 [pdflush]
root      3001  2991  0 15:35 tty1     00:00:00 /bin/sh /root/test/fstests/fs_di
-d /testext2/fs_ditest -l 1000 -
root      3002  2991  0 15:35 tty1     00:00:00 tee -a
/root/test/fstests/logs/fs_di.testext2.log
root      3074  3001  0 15:40 tty1     00:00:00 cp
/testext2/fs_ditest/fs_di-3001/XXXXXXXXXXXXXXXXXXXX/XXXXXXXXXX

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