[mythtv-users] [SOLVED] Only one of two HVR-1600 initializes -- ioremap failed error (vmalloc)

[Greg Hermsen]

On Tue, Nov 4, 2008 at 7:30 AM, James Crow <james at ultratans.com> wrote:

> On Mon, 2008-11-03 at 20:46 -0600, Greg Hermsen wrote:
>
> >
> > I've been scouring the Internet looking for help with my problem.  I
> > found a posting at:
> >         http://www.spinics.net/lists/linux-dvb/msg29645.html
> >         ...I swopped-out hard drives and installed Mythbuntu. After
> >         installing the cx18 drivers it also only initialized one card.
> >         I then modified the bootloader with "vmalloc=256M" and it
> >         worked like a champ. ...
> > I'm not sure where the bootloader is located and how risky it is to
> > edit so I continued searching for information on editing the
> > bootloader.  I couldn't find anything.  I have a 640GB hard drive.
> >
> > I also ran the suggested command, "cat /proc/meminfo | grep Vmalloc"
> > and got the following results:
> >         VmallocTotal:   114680 kB
> >         VmallocUsed:    101208 kB
> >         VmallocChunk:    11764 kB
> > Can anybody give me guidance on the steps I need to take?
> >
> > Thanks,
> > Greg
>
> Greg,
>
>  Under Mythbuntu 8.04 and 8.10 you can edit the /boot/grub/menu.lst
> file. Look for a line that starts with:
> # kopt=UUID=[followed by a long string of random characters]
>
> At the end of the # kopt line add your vmalloc=256M setting. So for my
> system the completed line would be:
>
> # kopt=root=UUID=2ef2c79b-0495-4a52-9d59-a83e5a870371 ro vmalloc=256M
>
> This will preserve the change for any later kernels that get installed.
> You will also want to add the option to the current default kernel. Look
> further down in the file for a section that looks like this:
>
> title           Ubuntu 8.10, kernel 2.6.27-7-generic
> root            (hd0,1)
> kernel          /vmlinuz-2.6.27-7-generic
> root=UUID=2ef2c79b-0495-4a52-9d59-a83e5a870371 ro quiet splash
> initrd          /initrd.img-2.6.27-7-generic
> quiet
>
> *note: the kernel line above is wrapped by mail reader*
>
> At the end of the root= line add the vmalloc=256M setting.
>
> Reboot the machine and you should be ready to go.
>
> Cheers,
> James
>
>
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Thank you James!!!  I edited /boot/grub/menu.lst with vmalloc=256M in both
the places you suggested.  Both tuners are working now.

Thanks again,
Greg
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