2009-11-06 14:44:10

by Simon Kagstrom

Subject: [PATCH] x86: Workaround low-memory corruption by Phoenix/MSC BIOSes

We have a board with a Phoenix/MSC BIOS which also corrupts the low
64KB of RAM, so add an entry to the table.

Signed-off-by: Simon Kagstrom <[email protected]>
---
arch/x86/kernel/setup.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e09f0e2..2a34f9c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -660,6 +660,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
},
},
{
+ .callback = dmi_low_memory_corruption,
+ .ident = "Phoenix/MSC BIOS",
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"),
+ },
+ },
+ {
/*
* AMI BIOS with low memory corruption was found on Intel DG45ID board.
* It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
--
1.6.0.4

2009-11-06 22:52:05

by Simon Kagstrom

Subject: [tip:x86/urgent] x86: Add Phoenix/MSC BIOSes to lowmem corruption list

Commit-ID: f1b291d4c47440cbfc1a478e88800e2742d60a80
Gitweb: http://git.kernel.org/tip/f1b291d4c47440cbfc1a478e88800e2742d60a80
Author: Simon Kagstrom <[email protected]>
AuthorDate: Fri, 6 Nov 2009 15:44:04 +0100
Committer: H. Peter Anvin <[email protected]>
CommitDate: Fri, 6 Nov 2009 14:49:39 -0800

x86: Add Phoenix/MSC BIOSes to lowmem corruption list

We have a board with a Phoenix/MSC BIOS which also corrupts the low
64KB of RAM, so add an entry to the table.

Signed-off-by: Simon Kagstrom <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
---
arch/x86/kernel/setup.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e09f0e2..2a34f9c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -660,6 +660,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
},
},
{
+ .callback = dmi_low_memory_corruption,
+ .ident = "Phoenix/MSC BIOS",
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"),
+ },
+ },
+ {
/*
* AMI BIOS with low memory corruption was found on Intel DG45ID board.
* It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will