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SubjectRe: ppp & IDE problems on 2.2.2 ac7 :(
Date
Douglas Gilbert wrote the following:
>
> > I found a bad problem today. I launched a cdparanoia rip of a
> > cd while i was online on a ppp link. ppp hung and it began to report frame errors
> > then i stopped the cdparanoia session and everything came back to normal :
> > I t seems that when i access the ide bus heavily, ppp suffers a lot and starts giving > > errors.
> > I tried to set umaskirq on all drives, but that did not help.
> > my configuration is a P200mmx, with ide drives, HX chipset,
> > (DMA is enabled by default ) , kernel 2.2.2ac7.
> > has anyone a clue about the whole thing ?
> > (i did not try vanilla 2.2.2)
> > On the 2.0.x kernels i used a program called irqtune,
> > but it doesnt work anymore on 2.2.
>
> Enrico,
> Is that a pure IDE rig or are you using SCSI emulation on your
> IDE cdrom player (which I assume is ATAPI)? If you are using
> SCSI emulation I may know one of the culprits :-(

For me it's pure IDE:


/dev/cdrom:
HDIO_GET_MULTCOUNT failed: Invalid argument

Model=CD-ROM 32X/AKU, FwRev=U12I, SerialNo=
Config={ SpinMotCtl Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=0(?), BuffSize=0kB, MaxMultSect=0
DblWordIO=no, maxPIO=4(?), DMA=yes, maxDMA=2(fast)
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
tDMA={min:120,rec:150}, DMA modes: *mword0 mword1 mword2
IORDY=on/off, tPIO={min:227,w/IORDY:120}, PIO modes: mode3 mode4


--
CaT (cat@zip.net.au) URL: http://www.zip.com.au/dev/null

An electricity provider of New Hampshire, US has advised it's customers
that in the event of a power failure they can log on to its website for
more information... - Paraphrased from the New Scientist, Feb 6, 1999


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