Hi, Mirko. On Monday, 12 October 2009 14:06:32 +0200, Mirko Parthey wrote: > On Sun, Oct 11, 2009 at 12:55:28PM -0300, Daniel Bareiro wrote: > > > > I'm using Debian GNU/Linux Lenny with linux-image-2.6.26-2-amd64 > > > > stock kernel installed from a binary image from Debian repositories. > > > > > > > > In this case the disks are seen like hdX but using kernel 2.6.31.2 > > > > compiled by myself with the sources of kernel.org the disks are seen > > > > like sdX. I consider that this difference is because with 2.6.31.2 > > > > libata is being used whereas in 2.6.26 it is disabled. Is it > > > > possible? > > With 2.6.31.2 from kernel.org I got the following output with > > "lspci -v": > > > > 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] (prog-if 80 [Master]) > > [...] > > Kernel driver in use: ata_piix > > Kernel modules: ata_generic, ata_piix, ide-pci-generic, piix > > > > whereas with linux-image-2.6.26-2-amd64 stock kernel installed from > > a binary image from Debian repositories I got the following output > > with "lspci -v": > > > > 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II] (prog-if 80 [Master]) > > [...] > > Kernel driver in use: PIIX_IDE > > Kernel modules: ata_generic, ide-pci-generic, piix > Debian's kernel is patched such that ata_piix only handles SATA > controllers, and the old piix driver takes over for PATA controllers: > http://svn.debian.org/viewsvn/kernel/dists/trunk/linux-2.6/debian/patches/debian/drivers-ata-ata_piix-postpone-pata.patch?revision=13847&view=markup Mmmm... interesting. It would explain the cause by which we observed that difference. It draws attention to me that being 2.6.31 the last branch of kernel stable, is also applying this patch. > I guess this was done while libata was still under heavy development, > and the old driver was considered more stable then. > If you are curious, ask the Debian Kernel Maintainers. We hope the newest kernels no longer have this patch. Thanks for your reply. Regards, Daniel -- Fingerprint: BFB3 08D6 B4D1 31B2 72B9 29CE 6696 BF1B 14E6 1D37 Powered by Debian GNU/Linux Squeeze - Linux user #188.598
Attachment:
signature.asc
Description: Digital signature