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Bug 144960 - kernel panic when mounting root filesystem (read/write) in kernel/module.c:2043
kernel panic when mounting root filesystem (read/write) in kernel/module.c:2043
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
i686 Linux
medium Severity high
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Assigned To: Dave Jones
Brian Brock
Depends On:
  Show dependency treegraph
Reported: 2005-01-12 19:41 EST by Todd A. Fisher
Modified: 2015-01-04 17:15 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-07-15 18:37:55 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Todd A. Fisher 2005-01-12 19:41:23 EST
From Bugzilla Helper:
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Description of problem:
I upgraded three machines kernels this morning.  One running fc2 to
the new kernel.  During it's reboot it locked up with a kernel panic.
This resulted in damage in my harddrive.  Lost /usr on my mail server.
 Before that I had already updated the kernel on my notebook(i686). 
During it's first reboot into the new kernel it locked up while
checking the root filesystem (ext3).  I rebooted with no problems at
that point and my notebook started up without issue.  Then this
afternoon after getting the mail server rebuilt, I decided to change
/etc/inittab to disable graphical boot on my notebook.  So, to test it
i rebooted my notebook.  Now i have the same kernel panic on my
notebook screen as I had on my mail server this morning.

Remounting root filesystem in read-write mode: [ OK ]
Kernel panic - not syncing: kernel/module.c:2043:
spin_lock(kernel/module.c:c0347240) already locked by kernel/module.c/2043

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

How reproducible:

Steps to Reproduce:
1. reboot

Additional info:
Comment 1 Dave Jones 2005-07-15 14:11:32 EDT
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 2 Todd A. Fisher 2005-07-15 15:08:30 EDT
yes, upgrading to the newer kernel did indeed fix the problems I was having

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