Bug 717212

Summary: [abrt] kernel: WARNING: at drivers/pci/dmar.c:634 warn_invalid_dmar+0x85/0x94(): TAINTED -----------I
Product: [Fedora] Fedora Reporter: Giovanni Bacaro <bacaro>
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: i686   
OS: Unspecified   
Whiteboard: abrt_hash:26042a423f4063f948d775820af4c180cc700dad
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-07-01 00:17:03 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 Giovanni Bacaro 2011-06-28 11:34:09 UTC 
abrt version: 2.0.3
architecture:   i686
cmdline:        ro root=/dev/mapper/vg_gio-lv_root rd_LVM_LV=vg_gio/lv_root rd_LVM_LV=vg_gio/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_GB.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
comment:        network manager makes the plasma desktop to crash every time I try to enable (and to connect) to the wifi
component:      kernel
kernel:         2.6.38.8-32.fc15.i686
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:634 warn_invalid_dmar+0x85/0x94()
time:           Mon Jun 27 12:03:52 2011

backtrace:
:WARNING: at drivers/pci/dmar.c:634 warn_invalid_dmar+0x85/0x94()
:Hardware name: Aspire 3810T
:Your BIOS is broken; DMAR reported at address 0!
:BIOS vendor: Acer; Ver: V1.07; Product Version: V1.07
:Modules linked in:
:Pid: 0, comm: swapper Not tainted 2.6.38.8-32.fc15.i686 #1
:Call Trace:
: [<c043aad9>] warn_slowpath_common+0x7c/0x91
: [<c05f1d9a>] ? warn_invalid_dmar+0x85/0x94
: [<c05f1d9a>] ? warn_invalid_dmar+0x85/0x94
: [<c043ab44>] warn_slowpath_fmt_taint+0x32/0x34
: [<c05f1d9a>] warn_invalid_dmar+0x85/0x94
: [<c0a82094>] check_zero_address+0xee/0x124
: [<c062a9a5>] ? acpi_get_table_with_size+0x59/0xb3
: [<c0a820dc>] detect_intel_iommu+0x12/0x78
: [<c0a5f21e>] pci_iommu_alloc+0x35/0x5a
: [<c0a6a57a>] mem_init+0xe/0x275
: [<c0a734a7>] ? __alloc_bootmem_node_nopanic+0x72/0x99
: [<c07ced36>] ? printk+0x2d/0x2f
: [<c0a778ba>] ? page_cgroup_init_flatmem+0xaa/0xd8
: [<c0a5966e>] start_kernel+0x1af/0x35d
: [<c0a5920c>] ? unknown_bootoption+0x0/0x19e
: [<c0a590d6>] i386_start_kernel+0xd6/0xdc
Comment 1 Giovanni Bacaro 2011-06-28 12:11:43 UTC 
Package: kernel
Architecture: i686
OS Release: Fedora release 15 (Lovelock)

Comment
-----
Every time network manager try to use the wireless, the plasma desktop crash
Comment 2 Giovanni Bacaro 2011-06-30 10:37:28 UTC 
Package: kernel
Architecture: i686
OS Release: Fedora release 15 (Lovelock)

Comment
-----
Wlan crashed the plasma-desktop
Comment 3 Giovanni Bacaro 2011-06-30 10:43:37 UTC 
Package: kernel
Architecture: i686
OS Release: Fedora release 15 (Lovelock)

Comment
-----
Wlan crashed the plasma-desktop
Comment 4 Dave Jones 2011-07-01 00:17:03 UTC 
the kernel message says it all..

"Your BIOS is broken"

There's nothing we can do about that. Look for a BIOS update maybe.

This is unlikely to have anything to do with plasma crashing.
That sounds like either a problem with network manager, or plasma.