Bug 709900

Summary: [abrt] kernel: WARNING: at drivers/pci/dmar.c:634 warn_invalid_dmar+0x85/0x94(): TAINTED Firmware Workaround
Product: [Fedora] Fedora Reporter: Gidmantas <gidmantas>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 15CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Unspecified   
Whiteboard: abrt_hash:d90ef5549f8f8f1af1e109c630b799a983b62366
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-06-15 21:53:56 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Gidmantas 2011-06-01 22:19:12 UTC 
abrt version: 2.0.1
architecture:   i686
cmdline:        ro root=/dev/mapper/vg_wksgbrisf15-lv_root rd_LVM_LV=vg_wksgbrisf15/lv_root rd_LVM_LV=vg_wksgbrisf15/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
component:      kernel
kernel:         2.6.38.6-27.fc15.i686.PAE
kernel_tainted: 2048
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         WARNING: at drivers/pci/dmar.c:634 warn_invalid_dmar+0x85/0x94()
reported_to:    kerneloops: URL=http://submit.kerneloops.org/submitoops.php
time:           Thu Jun  2 00:48:05 2011

backtrace:
:WARNING: at drivers/pci/dmar.c:634 warn_invalid_dmar+0x85/0x94()
:Hardware name: To Be Filled By O.E.M.
:Your BIOS is broken; DMAR reported at address fed91000 returns all ones!
:BIOS vendor: American Megatrends Inc.; Ver: 080015 ; Product Version: To Be Filled By O.E.M.
:Modules linked in:
:Pid: 0, comm: swapper Not tainted 2.6.38.6-27.fc15.i686.PAE #1
:Call Trace:
: [<c044205d>] warn_slowpath_common+0x7c/0x91
: [<c05fc602>] ? warn_invalid_dmar+0x85/0x94
: [<c05fc602>] ? warn_invalid_dmar+0x85/0x94
: [<c04420c8>] warn_slowpath_fmt_taint+0x32/0x34
: [<c05fc602>] warn_invalid_dmar+0x85/0x94
: [<c0a9dbd4>] check_zero_address+0xf0/0x126
: [<c063752d>] ? acpi_get_table_with_size+0x59/0xb3
: [<c0a9dc1c>] detect_intel_iommu+0x12/0x78
: [<c0a7a446>] pci_iommu_alloc+0x35/0x5a
: [<c0a859d6>] mem_init+0xe/0x294
: [<c0a8e596>] ? __alloc_bootmem_node_nopanic+0x72/0x99
: [<c07e15f2>] ? printk+0x2d/0x2f
: [<c0a9319d>] ? page_cgroup_init_flatmem+0xaa/0xd8
: [<c0a7267f>] start_kernel+0x1af/0x35d
: [<c0a7221d>] ? unknown_bootoption+0x0/0x19e
: [<c0a720e7>] i386_start_kernel+0xd6/0xdc

event_log:
:2011-06-02-01:19:06> Submitting oops report to http://submit.kerneloops.org/submitoops.php
:2011-06-02-01:19:07  Kernel oops report was uploaded
Comment 1 Chuck Ebbert 2011-06-15 21:53:56 UTC 

*** This bug has been marked as a duplicate of bug 701171 ***