Andrew Morton wrote:
Andi says "It's more likely a hardware bug that needs to be handled by the
driver maintainer. sata_mv has an pci_enable_msi(). Hardware that reports
MSI capability but breaks when it's actually used is not unheard of."
-sata_mv 0000:00:0a.0: 32 slots 4 ports unknown mode IRQ via MSI
-ata1: SATA max UDMA/133 cmd 0x0 ctl 0xE0A22120 bmdma 0x0 irq 177
-ata2: SATA max UDMA/133 cmd 0x0 ctl 0xE0A24120 bmdma 0x0 irq 177
-ata3: SATA max UDMA/133 cmd 0x0 ctl 0xE0A26120 bmdma 0x0 irq 177
-ata4: SATA max UDMA/133 cmd 0x0 ctl 0xE0A28120 bmdma 0x0 irq 177
+sata_mv 0000:00:0a.0: 32 slots 4 ports unknown mode IRQ via INTx
+ata1: SATA max UDMA/133 cmd 0x0 ctl 0xE0A22120 bmdma 0x0 irq 18
+ata2: SATA max UDMA/133 cmd 0x0 ctl 0xE0A24120 bmdma 0x0 irq 18
+ata3: SATA max UDMA/133 cmd 0x0 ctl 0xE0A26120 bmdma 0x0 irq 18
+ata4: SATA max UDMA/133 cmd 0x0 ctl 0xE0A28120 bmdma 0x0 irq 18
It seems strange that pci_enable_msi() succeeded if the device is not
MSI-capable?
See http://lkml.org/lkml/2006/1/17/145
pci_enable_msi() has a problem where it succeeds when it should not, but
also, sata_mv is still missing some errata workarounds that could be
affecting MSI platforms.
Jeff
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
