Bug 227898 - flush icache early when loading module
flush icache early when loading module
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
ia64 Linux
medium Severity medium
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Assigned To: Doug Chapman
Brian Brock
Depends On:
  Show dependency treegraph
Reported: 2007-02-08 15:37 EST by Doug Chapman
Modified: 2007-11-30 17:07 EST (History)
2 users (show)

See Also:
Fixed In Version: RHBA-2007-0304
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-05-08 00:49:24 EDT
Type: ---
Regression: ---
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
panic stack trace (2.32 KB, text/plain)
2007-02-08 15:44 EST, Doug Chapman
no flags Details

  None (edit)
Description Doug Chapman 2007-02-08 15:37:23 EST
Description of problem:
Loading some modules with parameters can cause a panic on RHEL4.  This is easily
reproduced on ia64 montecito hardware (although likely possible on other
hardware as well).

This was fixed upstream some time ago (2.6.12):


I am working on porting that patch to current RHEL4 source.

Version-Release number of selected component (if applicable):
RHEL4 (all)

How reproducible:
100% on ia64 montecito hardware

Steps to Reproduce:
1. modprobe -v lockd nlm_udpport=4001 nlm_tcpport=4001
Actual results:

Expected results:

Additional info:
Comment 1 Doug Chapman 2007-02-08 15:44:16 EST
Created attachment 147698 [details]
panic stack trace

Panic generated from doing:
modprobe -v lockd nlm_udpport=4001 nlm_tcpport=4001
Comment 2 Doug Chapman 2007-02-08 17:28:37 EST
Patch has been submitted to rhkernel-list for review.
Comment 3 RHEL Product and Program Management 2007-02-09 11:23:49 EST
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
Comment 4 Jay Turner 2007-02-16 10:56:24 EST
QE ack for RHEL4.5.
Comment 5 Jason Baron 2007-02-27 15:21:22 EST
committed in stream U5 build 49. A test kernel with this patch is available from
Comment 9 Red Hat Bugzilla 2007-05-08 00:49:24 EDT
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


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