Re: ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611

From: NAKAJI Hiroyuki <nakaji_at_jp.freebsd.org> Date: Thu, 16 Sep 2004 20:21:02 +0900 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:12 UTC

>>>>> In <!~!AAAAAHy84c+keBtNvSKYhG5lF4jkASAA_at_ceribus.net> 
>>>>>	"Grover Lines" <grover_at_ceribus.net> wrote:

> I can reproduce these timeouts by doing heavy NFS traffic while installing a
> port or any other heavy disk usage.

On my pc98 box, there are same messages after Sep 10 kernel.

$ uname -v
FreeBSD 6.0-CURRENT #8: Fri Sep 10 14:33:10 JST 2004     root_at_xa12.heimat.gr.jp:/usr/obj/usr/src/sys/NAKAJI 

On ad1, I have jailed host, and installworld to this jailed host
causes this TIMEOUT.

And my root partition is on ad0 and heavy access to /tmp (not mfs),
for example "portupgrade -a", also get same TIMEOUTs.
-- 
NAKAJI Hiroyuki