Messages in this thread | | | From | "Tomas Styblo" <> | Subject | Re: 2.4 freezes on VIA KT133 | Date | Fri, 1 Jun 2001 00:30:14 +0200 |
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It seems the problem is caused by some DMA related bug in the VIA chipset and/or in the Linux DMA-IDE VIA driver. I finnaly get rid of the freezes, by simply compiling the kernel completely without IDE-DMA support. Now hdparm shows disks do not use DMA and the system is stable, as far as I can say now.
I've tested it VERY intensely last couple of days and did not manage to freeze it. For 12 hours a lot of concurrent processes copied gigs of data all over the disks, calculated CPU intensive crypto etc, the system hasn't frozen. For debugging purposes I also tried to downgrade to 2.2.19 with IDE-DMA activated. It crashed. So it really seems DMA is the problem here.
Maybe I did not describe the freezes accurately in my first post. After the freeze, the screen always went black, and the system was dead - did not respond to pings, keyboard etc. It was neccessary to hard reset it.
Tomas
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