Bug 726488

Summary: [abrt] kernel: WARNING: at drivers/pci/dmar.c:594 warn_invalid_dmar+0x7a/0x90() (Tainted: G I---------------- ): TAINTED -----------I
Product: [Fedora] Fedora Reporter: Emre <emre>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 15CC: aquini, gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:fcd6b68f9e851f3fe658362c290fe569fe65f224
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-08-16 13:09:51 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 Emre 2011-07-28 19:36:16 UTC 
abrt version: 2.0.3
architecture:   x86_64
cmdline:        ro root=UUID=8efdc5a5-d2fb-458f-ad0f-4a87af016dcc rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=trq rhgb quiet crashkernel=129M@0M
comment:        ----------------
component:      kernel
kernel:         2.6.32-131.6.1.el6.x86_64
kernel_tainted: 2048
kernel_tainted_long: Working around severe firmware bug.
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         WARNING: at drivers/pci/dmar.c:594 warn_invalid_dmar+0x7a/0x90() (Tainted: G          I----------------  )
time:           Wed Jul 27 20:54:56 2011

backtrace:
:WARNING: at drivers/pci/dmar.c:594 warn_invalid_dmar+0x7a/0x90() (Tainted: G          I----------------  )
:Hardware name: HP EliteBook 6930p
:[Firmware Warn]: Your BIOS is broken; DMAR reported at address 0!
:BIOS vendor: Hewlett-Packard; Ver: 68PCD Ver. F.13; Product Version: F.13
:Modules linked in:
:Pid: 1, comm: swapper Tainted: G          I----------------   2.6.32-131.6.1.el6.x86_64 #1
:Call Trace:
:[<ffffffff810670f7>] ? warn_slowpath_common+0x87/0xc0
:[<ffffffff8106718f>] ? warn_slowpath_fmt_taint+0x3f/0x50
:[<ffffffff811511fd>] ? interleave_nodes+0x8d/0xa0
:[<ffffffff8129660a>] ? warn_invalid_dmar+0x7a/0x90
:[<ffffffff8129664a>] ? alloc_iommu+0x2a/0x2b0
:[<ffffffff81bebeeb>] ? dmar_table_init+0x1bd/0x3be
:[<ffffffff81bcdbce>] ? enable_IR_x2apic+0x23/0x1f9
:[<ffffffff81bcbab2>] ? native_smp_prepare_cpus+0x143/0x389
:[<ffffffff81bbd6f9>] ? kernel_init+0x112/0x2f9
:[<ffffffff8100c1ca>] ? child_rip+0xa/0x20
:[<ffffffff81bbd5e7>] ? kernel_init+0x0/0x2f9
:[<ffffffff8100c1c0>] ? child_rip+0x0/0x20
Comment 1 Dave Jones 2011-08-16 13:09:51 UTC 
not a bug. just informational that your BIOS is broken, and we're working around the bug.