[CentOS] hdc: no DRQ after issuing MULTWRITE
Robert Moskowitz
rgm at htt-consult.com
Thu Jan 29 16:15:29 UTC 2009
John R Pierce wrote:
> Robert Moskowitz wrote:
>
>> Any idea what can be done? They seem to be more nuance that not, but if
>> I am in init 3 mode and in VI and get one of these messages in the
>> middle of editing some file, well, I typically :q! out and start over.....
>>
>>
>
> you can use ctl-L to refresh a vim edit screen... (if you're in insert
> mode, hit <ESC> first)... beats quitting and starting over.
>
Now I just have to remember that when I am using vi. I actually use vi a
lot, but just for simple editing...
>
> do these errors always occur on /dev/hdc or random devices? if always
> /dev/hdc, is that a CD/DVD or a HD ? that OQO thing is some kinda
> VIA C7 or whatever? you might try disabling DMA on the /dev/hdc, like...
>
hdc is the ONLY media regularly in the unit. Only used CD for the
install, and only occationally a usb drive. And yes it is a VIA-based
system.
And disabling DMA results in what? No dma errors, slower seek/write
times, bad things on kernel panics?
>
> /sbin/hdparm -d0 /dev/hdc
>
> [this would have to be put in a init file, maybe /etc/rc.d/rc.local ]
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