hp nc6230 ad0 timeout errors.

[KT Sin]

hi!

my nc6220 used to have strange problems with ata disk right after boot-up
until i added the following line to /boot/loader.conf.

hw.acpi.osname="Windows 2001"

try and see if it helps for you.

kt

p.s. boot with acpi disabled first.

> 
> hi,
> 
> I have a hp nc6230 that has run freebsd in the past. I am trying to 
> install 6.2, and the install from CD goes fine, but it will not make it to 
> a login prompt on a subsequent reboot. The error is:
> 
>   ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=2270335
>   g_vfs_done():ad0s1a[READ(offset=1162379264, length=49152)]error=5
>   vnode_pager_getpages: I/O read error
>   vm_fault: pager read error, pid 46 (sh)
>   pid 46 (sh), uid 0: exited on signal 11
> 
> then it drops me to single user, but that doesn't work and the machine 
> starts streaming the ad0 errors past me. In the past I have always 
> assumed that this is a drive going bad, however i have tried it with 3 
> drives to the same effect. One of the drives has a windows partition that 
> has no issues.
> 
> The bios on the laptop is the latest.
> 
> I am going to see if i can adjust the UDMA mode at boot with atacontrol. 
> Any other advice would be great. Sorry if this is the wrong list and 
> whatnot.
> 
> Brad
> ---------------------
> Brad Miele
> IPNstock.com
> bmiele at ipnstock.com