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Bug 155741 - Kernel panic - not syncing, during shutdown, after using usb memory stick or usb hard drive
Summary: Kernel panic - not syncing, during shutdown, after using usb memory stick or ...
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 3
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Dave Jones
QA Contact: Brian Brock
Depends On:
TreeView+ depends on / blocked
Reported: 2005-04-22 17:43 UTC by Wolfgang Korsch
Modified: 2015-01-04 22:19 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2005-10-03 00:32:14 UTC

Attachments (Terms of Use)

Description Wolfgang Korsch 2005-04-22 17:43:58 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050414 Firefox/1.0.3

Description of problem:
Whenever I use an USB memory stick or an USB hard drive and try to shut down 
my laptop, after unmounting (and unplugging) the USB devices, the shut down process stops with a kernel panic error:

Kernel panic - not syncing: drivers/block/cfg-iosched.c:1065: spin_is_locked on uninitialized spinlock f5971c1c. (Not tainted)

Only "power off" helps.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.plug in usb device (mem. stick or hard drive)
2.mount usb device
3.use usb device (cp/mv to/from usb device)
4.unmount usb device
5.unplug usb device
6. shut down computer  

Actual Results:  computer freezes

Expected Results:  clean shutdown

Additional info:

Comment 1 Dave Jones 2005-04-25 00:42:15 UTC
please try the kernel at

that has a patch that should fix this.

Comment 2 David Harmanec 2005-05-09 20:46:59 UTC
I was having exactly the same problem on my Athlon based desktop PC and the
above kernel version (2.6.11-1.21_FC3) appears to fix the problem.

Comment 3 Dave Jones 2005-07-15 19:50:14 UTC
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which
may contain a fix for your problem.   Please update to this new kernel, and
report whether or not it fixes your problem.

If you have updated to Fedora Core 4 since this bug was opened, and the problem
still occurs with the latest updates for that release, please change the version
field of this bug to 'fc4'.

Thank you.

Comment 4 Dave Jones 2005-10-03 00:32:14 UTC
This bug has been automatically closed as part of a mass update.
It had been in NEEDINFO state since July 2005.
If this bug still exists in current errata kernels, please reopen this bug.

There are a large number of inactive bugs in the database, and this is the only
way to purge them.

Thank you.

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