Bug 21212 - ext3 panic
Summary: ext3 panic
Alias: None
Product: Red Hat High Availability Server
Classification: Retired
Component: ext3   
(Show other bugs)
Version: beta
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Stephen Tweedie
QA Contact: Wil Harris
Depends On:
TreeView+ depends on / blocked
Reported: 2000-11-22 00:36 UTC by Sam Varshavchik
Modified: 2007-04-18 16:29 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2000-11-22 00:36:31 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Sam Varshavchik 2000-11-22 00:36:29 UTC
Got a kernel panic at system shutdown, after initscripts said "Unmounting
file systems".

This is with the released ext3 kernel RPMs, i586 version, with the root
partition on ext3:

Assertion failure in journal_flush() at journal.c: line 819
"journal->j_head == journal->j_fail"
Unable to handle kernel NULL pointer dereference at virtual address
current->tss.cr3 = 021c9000, %cr3 = 021c9000
*pde = 0000000

I shut down the system immediately after extreme load (this was a poor
PII-200, and I just installed glibc, glibc-devel, and openssh errata). 
After the system rebooted, I verified that the installed packages were OK.

Comment 1 Stephen Tweedie 2000-11-22 10:01:54 UTC
It's a known problem with remounting a filesystem readonly, and is fixed in more
recent versions. There is no risk of data corruption from it.

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