Messages in this thread | | | Date | Thu, 15 May 2008 18:17:41 +0300 | From | Muli Ben-Yehuda <> | Subject | Re: [PATCH 0/2] x86: per-device dma_mapping_ops |
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On Wed, May 14, 2008 at 07:00:13PM -0700, Alexis Bruemmer wrote:
> I wanted to try and create a test version of this, at least for the > calgary side, but ran into an error with this patch set: > > Fusion MPT SAS Host driver 3.04.06 > ACPI: PCI Interrupt 0000:34:00.0[A] -> GSI 142 (level, low) -> IRQ 142 > mptbase: ioc0: Initiating bringup > ioc0: LSISAS1078 C1: Capabilities={Initiator} > mptbase: ioc0: PCI-MSI enabled > Calgary: DMA error on CalIOC2 PHB 0x33 > Calgary: 0x02000000@CSR 0x00000000@PLSSR 0xb0008000@CSMR 0x00000000@MCK > Calgary: 0x00000000@0x810 0xfee0c000@0x820 0x00000000@0x830 > 0x00000000@0x840 0x03804a00@0x850 0x00000000@0x860 0x00000000@0x870 > Calgary: 0x00000000@0xcb0
Calgary caught an errant DMA. If it was working before, we are probably mis-programming the TCE tables. The first thing to check is whether all dma_map_xxx calls by mptbase end up calling the Calgary dma_ops.
Cheers, Muli
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