On Wed, May 05, 2004 at 11:44:08AM -0400, Tyson Whitehead wrote: > > I have a MIATA PWS 500a with a custom Woody installation updated to SID, > > BUT I get strange filesystem (ext2) corruptions only with the 2.4.26 > > kernel. Untarring the kernel sources I can see random binary data in the > > sources. I also tried a 2.6.4 kernel but the filesystem corruption was so > > bad I had to wipe the disk. > Yeah. I had this problem to. Corrupted my backup harddrive as well. : ) > I finally got bug free access to my IDE drives by not compiling in CMD646 > support to kernel (i.e. just generic PCI IDE). > This stops the kernel from enabling any special features (DMA, etc) on the > CMD646 chipset. The downside is IDE disk access is slow. > - From reading the documentation/source, I understand the CMD64x chipsets are > buggier than I'll get out. Guess the real solution then is to use the SCSI > subsystem or a different IDE controller. FWIW, I was seeing repeated DMA timeouts with my CMD64x IDE controller when testing with a 2.4.25 kernel in debian-installer. Crude surgery to remove the cmd64x module from view fixed this problem handily. :) Cheers, -- Steve Langasek postmodern programmer
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