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[Bug 1040386] New: Kernel 4.11 Workqueue lockup under heavy load to USB drive with XFS DMCrypt partition
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 23 May 2017 13:22:11 +0000
  • Message-id: <bug-1040386-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1040386


Bug ID: 1040386
Summary: Kernel 4.11 Workqueue lockup under heavy load to USB
drive with XFS DMCrypt partition
Classification: openSUSE
Product: openSUSE Tumbleweed
Version: Current
Hardware: x86-64
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
Assignee: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
Reporter: jeromed@xxxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Created attachment 726049
--> http://bugzilla.opensuse.org/attachment.cgi?id=726049&action=edit
Snapshot of journal

I have a x64 server running Opensuse TW with latest patches as of today
(23/May/17). I have 2 USB 4TB drives attached using DMCrypt and XFS.

This bug has only occurred on kernel version 4.11.x, when I revert back to 4.10
series kernel I do not have the issue, which POSSIBLY rules out hardware
issues.

The server could work for many hours without an issue, usually the lock up
occurs under heavy load of copying files from an internal HDD to the USB drive.
Only way to recover, unless you give me another method, is to cold boot. Touch
wood so far I have not lost any data. I will be reverting back to kernel 4.10
if I can to work around the issue. The following is partial dump of the syslog.
Please let me know if you require any further information.

Cheers Jerome

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