[lkml]   [2005]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.6.13-rc6-git10 test report [x86_64]
On Thu, Aug 18, 2005 at 03:52:13PM -0700, Sean Bruno wrote:
> With earlier kernels(2.6.11) I was able to boot my machine with ACPI
> enabled, but most devices(sound, onboard ethernet, SATA controllers,
> USB) were unusuable but they were detected. I was able to work around
> this issue by disabling ACPI in my system BIOS.

Keeping it on and using pci=noacpi might be better.

> available. Since 2.6.12, when I re-activate ACPI in my system BIOS, I
> can't boot my machine as it gives me an error about no IOMMU and having
> 6GB of RAM. This error was not listed in the dmesg posted before as I
> can't boot my machine past this error.
> Here is the exact output when booting 2.6.13 with ACPI enabled:
> Decompressing Linux ... Done
> Booting the kernel
> PCI-DMA: More that 4GB of RAM and no IOMMU
> PCI-DMA: 32bit PCI IO may malfunction.<6>PCI-DMA: Disabling IOMMU

This has nothing to do with ACPI. The problem here is that you
didn't enable the IOMMU code in the kernel .config

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-08-19 01:06    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site