RE: [uCsimm] Fifos in Frank example

From: Paugam Luc (PAUGAML@thmulti.com)
Date: Tue Feb 29 2000 - 10:43:36 EST


Hi,

Excuse me for this stupid question, but what is Frank example ?
Where did it come from ?

Regards
Luc

> -----Original Message-----
> From: Stuart Hughes [SMTP:sehughes@zentropix.com]
> Sent: Tuesday, February 29, 2000 3:52 PM
> To: ucsimm@uClinux.com
> Subject: Re: [uCsimm] Fifos in Frank example
>
> OEM industrialisation wrote:
> >
> > Hi Kwonsk,
> >
> > thank you for your help in my fifo creation problems.
> > First it worked very well with the major 63.
> >
> > But I have encountered a problem with the major 150.
> > Your patch doesn't modify the MAX_CHRDEV and
> > the MAX_BLKDEV in major.h
> > I think it should be higgher than 128.
> >
> > I tried 255 and it seems to work like before.
> >
> > Maybe it could be useful to put it in your patch3,
> > for people who starts in linux like me.
> >
> > Thank you for your work, and thanks to Stuart too,
> >
> > Freddy
>
> Hi Guys,
>
> It's probably okay to stick with major number 63. We found it
> conflicted with kdebug (a mechanism for debugging kerneld) try:
> /sbin/modprobe -c and thats why it got changed. In practice this is
> (kdebug) hardly ever used so it is probably not a real problem. I only
> pointed it out as later releases of RTL/RTAI (Linux 2.2) have
> standardised on major number 150 and so it could be confusing if you
> were to try out the later x86 stuff.
>
> Regards, Stuart
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