Bug 248327 - RHEL5: MegaRAID SATA RAID 150-4/6 are not supported 64-bit DMA
RHEL5: MegaRAID SATA RAID 150-4/6 are not supported 64-bit DMA
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
5.0
All Linux
low Severity low
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Assigned To: Chip Coldwell
Martin Jenner
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2007-07-16 02:28 EDT by Vasily Averin
Modified: 2008-01-09 12:25 EST (History)
3 users (show)

See Also:
Fixed In Version: RHBA-2007-0959
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2007-11-07 14:55:58 EST
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
patch against RHEL-5 kernel (674 bytes, text/x-patch)
2007-08-15 12:02 EDT, Chip Coldwell
no flags Details

  None (edit)
Description Vasily Averin 2007-07-16 02:28:27 EDT
Description of problem:
smp and hugemem kernels hangs or tried to access beyond end of device on the
nodes with more than 4Gb memory and LSI Logic MegaRAID SATA RAID Controllers
(150-4 or 150-6).

I've reported about this issue in RHEL4:
LSI Logic MegaRAID SATA RAID Controllers (150-4 and 150-6) are not works
correctly if more than 4 GB memory installed on the node. According to Ju
Seokmann this hardware is not supported 64 bit DMA.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=210852

However this issue is still not fixed in RHEL5 kernels, the following patch has
been lost:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=8741ca71a3f626a56595b88200ebf952ce77ceef
Comment 2 Chip Coldwell 2007-08-15 12:02:51 EDT
Created attachment 161375 [details]
patch against RHEL-5 kernel
Comment 3 Don Zickus 2007-08-21 14:37:10 EDT
in 2.6.18-42.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5
Comment 6 errata-xmlrpc 2007-11-07 14:55:58 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.

http://rhn.redhat.com/errata/RHBA-2007-0959.html

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