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Bug 168390 - Large O_DIRECT write will hang system (MPT fusion)
Large O_DIRECT write will hang system (MPT fusion)
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
: ---
: ---
Assigned To: Doug Ledford
Brian Brock
Depends On:
Blocks: 168426
  Show dependency treegraph
Reported: 2005-09-15 12:32 EDT by Bastien Nocera
Modified: 2007-11-30 17:07 EST (History)
6 users (show)

See Also:
Fixed In Version: RHSA-2006-0144
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2006-03-15 11:35:50 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
mptfusion-sg-overflow-4kpage.patch (788 bytes, patch)
2005-09-15 12:32 EDT, Bastien Nocera
no flags Details | Diff
New patch to solve problem (754 bytes, patch)
2005-11-19 12:59 EST, Doug Ledford
no flags Details | Diff

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2006:0144 qe-ready SHIPPED_LIVE Moderate: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 7 2006-03-15 00:00:00 EST

  None (edit)
Description Bastien Nocera 2005-09-15 12:32:42 EDT
kernel 2.4.21-32.0.1

"There is a overflow of scatterlist on 1 page DMA."

Patch from nanhai.zou@intel.com
Comment 1 Bastien Nocera 2005-09-15 12:32:43 EDT
Created attachment 118862 [details]
Comment 9 Doug Ledford 2005-10-25 12:46:33 EDT
Re-Acking since they got me the info I needed and the patch looks sane enough.
Comment 12 Doug Ledford 2005-11-19 12:59:29 EST
Created attachment 121265 [details]
New patch to solve problem

The original patch caused compiler warnings on build.  The attached patch
compiles cleanly.  Can the reporter please test this patch to verify that the
problem is solved with it.
Comment 13 Ernie Petrides 2005-11-28 20:13:02 EST
Please follow up on this immediately, or the fix will miss U7.  Thanks.
Comment 16 Ernie Petrides 2005-11-30 02:34:08 EST
A fix for this problem has just been committed to the RHEL3 U7
patch pool this evening (in kernel version 2.4.21-37.12.EL).
Comment 19 Ernie Petrides 2005-12-08 22:24:42 EST
*** Bug 175154 has been marked as a duplicate of this bug. ***
Comment 22 Red Hat Bugzilla 2006-03-15 11:35:50 EST
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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