https://github.com/torvalds/linux
Revision 7f74f8f28a2bd9db9404f7d364e2097a0c42cc12 authored by Andreas Herrmann on 24 February 2011, 14:53:46 UTC, committed by Ingo Molnar on 24 February 2011, 19:30:21 UTC
On some SB800 systems polarity for IOAPIC pin2 is wrongly
specified as low active by BIOS. This caused system hangs after
resume from S3 when HPET was used in one-shot mode on such
systems because a timer interrupt was missed (HPET signal is
high active).

For more details see:

  http://marc.info/?l=linux-kernel&m=129623757413868

Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: stable@kernel.org # 37.x, 32.x
LKML-Reference: <20110224145346.GD3658@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 parent 7b62dbe
History
Tip revision: 7f74f8f28a2bd9db9404f7d364e2097a0c42cc12 authored by Andreas Herrmann on 24 February 2011, 14:53:46 UTC
x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems
Tip revision: 7f74f8f
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