Summary: [mythtv] hdparm

[Calvin Harrigan]

At least the 8235 is not supported in kernel 2.4.19
There is patch available though, which I had to use.
It's a moot point now with the availability of 2.4.20.
Here's a link on viaarena about apply the patch to a Redhat system.

http://www.viaarena.com/?PageID=87#ide



On Sun, 2002-12-15 at 01:23, Robert Dege wrote:
> 
> Just an FYI for anyone with a future/similar problem.
> 
> Apparently, the VT8233A VT8233C and VT8235 VIA chipsets are not supported
> in the < 2.4.18 kernels.  Support for these chipsets has been added to
> 2.4.20 & 2.5.2+.  dunno about 2.4.19, but I'm assuming it does since
> viaarena.com doesn't have a patch for that kernel.
> 
> www.ViaArena.com had good documentation, good patches, and diagnosed my
> problem to a 'T'.
> 
> Now I'm sporting a 46MB/s disk read instead of 6MB/s.
> 
> -Rob
> 
> > It sounds like your IDE controller is not supported. Check the
> > /var/log/messages looking for like:
> >
> >  kernel: SIS5513: detected chipset, but driver not compiled in!
> >
> > The SIS5513 is my chipset. I'm not sure about your mother board. I had a
> > problem with the MSI recently. Try the 2.4.20 kernel out and the new VIA
> > controllers have been added.
> >
> > Robert Dege wrote:
> >
> > >I know this isn't a "direct" myth issue, but it's pissing me off cuz I
> > >can't find a solution.
> > >
> > >I'm trying to build a dedicated Myth-box.  I got myself the Shuttle SK41G
> > >XPC, and a 100GB WD HD.  I ordered an 80GB, but the reseller was kind
> > >enough to send me a 100GB, while only billing me for the 80 :)
> > >
> > >Anyways, I do a RedHat 7.3 install.  After the install, I check hdparm -t
> > >/dev/hda.  I'm only getting 6MB/s,  it's like PIO mode 0!  So I
> > >immediately try to set dma -> 1, and I get an error message saying that
> > >the operation is not permitted.  It defaults back to zero.
> > >
> > >I used the Knoppix boot disk, with the same results.... and gentoo.  So
> > >I'm starting to think it's a hardware problem.  So I swap out the HD & use
> > >the Knoppix/gentoo boot disks.  Same hdparm result, dma -> 1 not
> > >permitted.  I also did a bunch of BIOS tweaks/test/reset to defaults/etc
> > >but nothing helped.
> > >
> > >I decide to use SiSoft Sandra for additional HD info.  So I install XP,
> > >get SiSoft Sandra up & running.  Device Manager shows XP using UDMA Mode
> > >5, and SiSoft Sandra reports about 40MB/s with sequential read/write.  I
> > >reboot with the knoppix boot CD & am still getting 6MB/s with hdparm -t
> > >/dev/hda
> > >
> > >wtf is going on??  what am I missing?
> 
> 
> 
> 
> Dege
> 
> So Many Things in Life Would Be Really Funny
> .... If They Weren't Happening To Me
> 
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