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authorJoerg Roedel <joerg.roedel@amd.com>2011-04-15 14:47:40 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2011-04-15 16:03:16 -0700
commit5bbc097d890409d8eff4e3f1d26f11a9d6b7c07e (patch)
tree006300196d8ec4d5ed8e48a7b465f23f7209b731 /scripts/mod
parent7d6b46707f2491a94f4bd3b4329d2d7f809e9368 (diff)
x86, amd: Disable GartTlbWlkErr when BIOS forgets it
This patch disables GartTlbWlk errors on AMD Fam10h CPUs if the BIOS forgets to do is (or is just too old). Letting these errors enabled can cause a sync-flood on the CPU causing a reboot. The AMD BKDG recommends disabling GART TLB Wlk Error completely. This patch is the fix for https://bugzilla.kernel.org/show_bug.cgi?id=33012 on my machine. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Link: http://lkml.kernel.org/r/20110415131152.GJ18463@8bytes.org Tested-by: Alexandre Demers <alexandre.f.demers@gmail.com> Cc: <stable@kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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