[Top] [All Lists]

Re: kio on non-x86

To: linux-xfs@xxxxxxxxxxx
Subject: Re: kio on non-x86
From: Thomas Graichen <news-innominate.list.sgi.xfs@xxxxxxxxxxxxx>
Date: 2 Mar 2001 16:55:43 GMT
Distribution: local
Organization: innominate AG, Berlin, Germany
References: <news2mail-97oct1$d7c$1@mate.bln.innominate.de> <Pine.LNX.4.21.0103020830520.20445-100000@getafix.engr.sgi.com>
Reply-to: Thomas Graichen <thomas.graichen@xxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (Linux/2.4.2-XFS (i686))
Chaitanya Tumuluri <chait@xxxxxxxxxxxxxxxxxxxx> wrote:
>> > I presume the same devices worked OK without kio, did they work OK after
>> > this shutdown?

> Do you have the error messages? 
> AFAIK, kiobuf code is _not_ arch specific.

none so far - but i did not have any of the debugging options turned
on (no idea if they would help - maybe not)

>> >> * am i right in assuming that the kio stuff does not contain any
>> >>   arch specific parts so it should - in principle - work also on
>> >>   the pcc which would leave endian or gcc issues as a possible
>> >>   reason for the problem?
>> > I think this is true, there are no os specific components, where you using
>> > ide or scsi? The ide kio code is specific to having dma turned on. So which
>> > combination was this?
>> it's ide and dma turned on

> There are no arch specific components to the kiobuf code. Though, if you
> are using more than 1GB there may be an issue with highmem bouncing code
> in kiobuf I/O. How much memory do you have on your system?

128MB - so no problem here (also keep in mind this is on ppc not i386)

>> >> * does anyone have an idea off-mind what might be the reson for
>> >>   this? ... i'll turn on all the debugging options and see if i
>> >>   get any more information out of it this evening i think
>> > Chait may have some suggestions, but the specific hardware combination is
>> > the most interesting part of the equation right now.
>> thanks - as said i waill (and can) do more testing this evening

> Error messages, if any, would help....I'll wait for the results from
> your tests.

more later - then i'm at the machine


                                                         innominate AG
                                                  the linux architects
tel: +49-30-308806-13   fax: -77             http://www.innominate.com

<Prev in Thread] Current Thread [Next in Thread>