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Re: [Xen-ia64-devel] [PATCH] fix swiotlb_dma_supported

from [Akio Takebe]

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To:	Kouya Shimura <kouya@xxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-ia64-devel] [PATCH] fix swiotlb_dma_supported
From:	Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date:	Tue, 24 Jul 2007 23:47:02 +0900
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Hi, Kouya

Thank you. I tracked the following bug.
Your patch also fix a bug failing e100_probe.

e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
GSI 20 (level, low) -> CPU 2 (0x0200) vector 51
ACPI: PCI Interrupt 0000:01:08.0[A] -> GSI 20 (level, low) -> IRQ 51
e100: 0000:01:08.0: e100_probe: No usable DMA configuration, aborting.
ACPI: PCI interrupt for device 0000:01:08.0 disabled
GSI 20 (level, low) -> CPU 2 (0x0200) vector 51 unregistered
e100: probe of 0000:01:08.0 failed with error -5

Best Regards,

Akio Takebe

>CD/DVD-ROM on recent Dom0 is not available.
>After some investigation, IDE controller is disabled
>by reason that io_tlb_end is out of bounds.
>
>Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
>
>
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