Bug 146199

Summary: Kernel panic: pci_map_single: high address but no IOMMU
Product: Red Hat Enterprise Linux 3 Reporter: Glenn Chu <gchu>
Component: kernelAssignee: Jim Paradis <jparadis>
Status: CLOSED NOTABUG QA Contact: Brian Brock <bbrock>
Severity: high Docs Contact:
Priority: medium    
Version: 3.0CC: lwoodman, peterm, petrides, riel
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2005-01-27 15:19:26 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description Glenn Chu 2005-01-25 22:25:42 UTC
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Description of problem:
Kernel panic when mounting the cdrom on a Dell 2850/EM64T on kernel
verion 2.4.21-27.0.2.  This does not happen on 2.4.21-15.

root@walter:~# mount /mnt/cdrom
Message from syslogd@walter at Tue Jan 25 13:18:53 2005 ...
walter kernel: Kernel panic: pci_map_single: high address but no IOMMU.



Jan 25 12:35:59 walter kernel: ide-floppy driver 0.99.newide
Jan 25 12:35:59 walter kernel: hda: attached ide-cdrom driver.
Jan 25 12:35:59 walter kernel: hda: ATAPI 24X CD-ROM drive, 128kB
Cache, UDMA(33)
Jan 25 12:35:59 walter kernel: Uniform CD-ROM driver Revision: 3.12
Jan 25 12:35:59 walter kernel: Kernel panic: pci_map_single: high
address but no IOMMU.


Version-Release number of selected component (if applicable):
kernel-2.4.21-27.0.2.EL.x86_64

How reproducible:
Always

Steps to Reproduce:
1. mount /dev/hda /mnt/cdrom
    

Actual Results:  Kernel panic: pci_map_single: high address but no IOMMU.

Additional info:

Comment 1 Ernie Petrides 2005-01-27 01:46:31 UTC
Glen, are you using the correct (ia32e) kernel?  For RHEL3,
you need to be using kernel-2.4.21-27.0.2.EL.ia32e.

Comment 2 Glenn Chu 2005-01-27 01:55:33 UTC
Did not see the ia32e rpm.   Thanks!

Comment 3 Jim Paradis 2005-01-27 09:58:55 UTC
Glen, does it work for you now?  If so I'll close this as NOTABUG.

Comment 4 Glenn Chu 2005-01-27 15:19:26 UTC
Thew ia32e kernel works fine.  Please close.   Thanks again.