On 6/3/05, THESNIERES Sylvain <[email protected]> wrote:
> Hello. I used the kernel 2.6.10-gentoo-rc9 with my notebook (Pentium 4-M, no
> trademark), it worked fine and I updated to 2.6.11.10 with fbsplash patch, and
> now DMA causes the system to crash at boot time. I can't dump any message,
Could you elaborate on "DMA causes the system to crash"?
Does 2.6.10-rc5 work for you?
> because my screen get flooded with the folowing one:
>
> Free on bad allocation ressource <0000042>-<0000042>
>
> It justs occurs after detection of the hard drive, and only if I activate
> idebus=66 or ata0=66 parameters on command line. I have enabled Ali15x3 support
You shouldn't be using "idebus=66" parameter unless your PCI bus is 66MHz.
There is no "ata0=66" parameter, maybe you've meant "ide0=66" ?
> on the kernel and DMA support. The problem disappears if I disable the 66 mode,
> but It worked before on the 2.6.10 kernel, so I don't think it is the same
dmesg output for 2.6.10 please
> problem as the one related to the last patch I saw for this driver:
>
> [quote]
> [PATCH] ide-disk: Fix LBA8 DMA
>
> This is from Gentoo's 2.6.11 patchset. A problem was introduced in 2.6.10
> where some users could not enable DMA on their disks (particularly ALi15x3
> users). This was a small mistake with the no_lba48_dma flag.
> [/quote]
Yep, this shouldn't be related.
Thanks,
Bartlomiej
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