http://bugzilla.novell.com/show_bug.cgi?id=573192
http://bugzilla.novell.com/show_bug.cgi?id=573192#c0
Summary: system hangs on timely usb disk processes such as dd,
parted, reiserfsck
Classification: openSUSE
Product: openSUSE 11.1
Version: Final
Platform: i586
OS/Version: openSUSE 11.1
Status: NEW
Severity: Critical
Priority: P5 - None
Component: Kernel
AssignedTo: bnc-team-screening@forge.provo.novell.com
ReportedBy: polbrian@orange.fr
QAContact: qa@suse.de
Found By: ---
Blocker: ---
Created an attachment (id=338407)
--> (http://bugzilla.novell.com/attachment.cgi?id=338407)
hardware description
User-Agent: Mozilla/5.0 (compatible; Konqueror/4.1; Linux) KHTML/4.1.3
(like Gecko) SUSE
I have gone through the same data recovery process described below successfully
with SuSE 9.3.
In order to recover lost data I need to
(the first
either internal IDE or USB, the second an external USB disk).
Alternatively I can use (parted) copy or dd_rhelp.
Then I use reiserfsck --scan-whole-disk --rebuild-tree to recover data.
These processes last several hours on a 300GB disk.
Well, that is how it worked with SuSE 9.3. In 11.1, after a variable time and a
variable number of read or transferred bytes, processes hang, whatever the
runlevel. In runlevel 5 the mouse freezes, in all runlevels the keyboard does
not respond. The only way out I have found is the hard reset.
I have performed memory test and monitored disk temperature, which is not
warmer than 41° (casing). I suppose some scheduled process interferes.
Reproducible: Always
Steps to Reproduce:
1. AS ROOT init 3 [optional]
2. umount /dev/sdb1
3. dd /dev/sdb1 /dev/sdf1
Actual Results:
system hangs
Expected Results:
copy whole partition to external disk
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