Re: some ide cd-rom dma broken on older intel chipsets

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On 13/09/2007, Michal Suchanek <hramrach@xxxxxxxxxx> wrote:
> Hello
>
> (please CC me when replying)
>
> I tried booting a livecd (2.6.21 Debian kernel) on several systems
> with Intel 440BX chipset and a Sony CD-ROM. I got some DMA error and
> the system froze for about half a minute while reseting the ide
> interface. It then disabled DMA and proceedded booting. Replacing with
> a different brand unit fixed the problem.
>
Attaching dmesg from the affected system.

Looks like the kernel won't continue booting unless a key is pressed,
at least in some cases. Scary.

Linux debian-live 2.6.21-2-486 #1 Wed Jul 11 03:17:09 UTC 2007 i686 GNU/Linux

00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX
Host bridge (rev 03)
00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP
bridge (rev 03)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
00:0f.0 Communication controller: Intel Corporation 536EP Data Fax Modem
00:10.0 Ethernet controller: 3Com Corporation 3c900B-TPO Etherlink XL
[Cyclone] (rev 04)
00:11.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA
TNT2 Model 64/Model 64 Pro] (rev 15)

Thanks

Michal

Attachment: dmesg.log
Description: Binary data


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