Re: Broken sata (VIA) on Asus A8V (kernel 2.6.14+)
- From: Tejun Heo <htejun@xxxxxxxxx>
- Date: Thu, 02 Feb 2006 08:35:20 +0900
Vladimir B. Savkin wrote:
On Thu, Feb 02, 2006 at 08:08:07AM +0900, Tejun Heo wrote:
Vladimir B. Savkin wrote:
Hello!
My system based on Asus A8V (VIA chipset) works fine with 2.6.13.3, but after upgrading (kernels 2.6.14.7 and 2.6.15.1 tried) it gaves error messages some minutes after boot.
The messages are as following: ata2: command 0xXX timeout, stat 0x50 host_stat 0x4 where XX gets different values from time to time, 0x25 mostly. I/O to this controller halts after that.
Attached are boot dmesg log and lspci output.
How reproducible is the problem? With how much certainty can you say the problem is introduced by newer kernels? e.g. If the problem occurs most of the time with 2.5.15.1 but it stops happending after switching back to 2.6.13.3, you can be pretty sure.
Highly reproducible: months vs. minutes of uptime.
Your BMDMA controller is reporting raised interrupt (0x4) and your drive is saying that it's ready for the next command, yet interrupt handler of sata_via hasn't run and thus the timeout. It looks like some kind of IRQ routing problem to me although I have no idea how the problem doesn't affect the boot process.
Can you try to boot with boot parameter pci=noacpi?
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