Commit 184b812f authored by Jay Cliburn's avatar Jay Cliburn Committed by Greg Kroah-Hartman
Browse files

PCI: quirk disable MSI on via vt3351 

The Via VT3351 APIC does not play well with MSI and unleashes a flood
of APIC errors when MSI is used to deliver interrupts.  The problem
was recently exposed when the atl1 network device driver, which enables
MSI by default, stimulated APIC errors on an Asus M2V mainboard, which
employs the Via VT3351.
See http://bugzilla.kernel.org/show_bug.cgi?id=8472

 for additional
details on this bug.

Signed-off-by: default avatarJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 73a74ed3

drivers/pci/quirks.c

+1 −0
Original line number Diff line number Diff line
@@ -1640,6 +1640,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCN 
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000_PCIX, quirk_disable_all_msi);

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_disable_all_msi);

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi);

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi);



/* Disable MSI on chipsets that are known to not support it */

static void __devinit quirk_disable_msi(struct pci_dev *dev)

include/linux/pci_ids.h

+1 −0
Original line number Diff line number Diff line
@@ -1292,6 +1292,7 @@ 
#define PCI_DEVICE_ID_VIA_P4M890	0x0327

#define PCI_DEVICE_ID_VIA_VT3324	0x0324

#define PCI_DEVICE_ID_VIA_VT3336	0x0336

#define PCI_DEVICE_ID_VIA_VT3351	0x0351

#define PCI_DEVICE_ID_VIA_8371_0	0x0391

#define PCI_DEVICE_ID_VIA_8501_0	0x0501

#define PCI_DEVICE_ID_VIA_82C561	0x0561

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