Red Hat Bugzilla – Bug 588638
[abrt] crash in kernel: Your BIOS is broken; DMAR reported at address fed90000 returns all ones!
Last modified: 2018-11-14 11:12:33 EST
abrt 1.0.7 detected a crash.
reason: ------------[ cut here ]------------
release: Red Hat Enterprise Linux release 6.0 Beta (Santiago)
After GNOME login, I recieved this error
Running on Intel® Core™2 Quad CPU Q9400 @ 2.66 GHz, 3.7 GiB of memory
------------[ cut here ]------------
WARNING: at drivers/pci/dmar.c:636 check_zero_address+0x158/0x1a4() (Not tainted)
Hardware name: HP xw4600 Workstation
Your BIOS is broken; DMAR reported at address fed90000 returns all ones!
BIOS vendor: Hewlett-Packard; Ver: 786F3 v01.21; Product Version:
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.32-22.el6.x86_64 #1
[<ffffffff812ca2ab>] ? acpi_get_table_with_size+0x5a/0xb4
[<ffffffff814d08b5>] ? _etext+0x0/0x3
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release. Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release. This request is not yet committed for
Looks like a hardware error not a bug, so we should probably drop the WARN_ON and the dump_stack() so abrt isn't triggered.
(In reply to comment #3)
> Looks like a hardware error not a bug, so we should probably drop the WARN_ON
> and the dump_stack() so abrt isn't triggered.
We can leave this as is for RHEL6 as abrt will not generate further reports of this on this HW.
Let's actually use this BZ to introduce the world (well ... the RH world) to FW_BUG, FW_INFO, and FW_WARN as well as TAINT_FIRMWARE_WORKAROUND.
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update release.
Patch(es) available on kernel-2.6.32-89.el6
warns with this stack: bug 573874 bug 598059 bug 602547 bug 632500
with this guiltyfunc: bug 579563
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 therefore 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.