<br><br><div><span class="gmail_quote">On 9/27/07, <b class="gmail_sendername">Steve MacLaren</b> <<a href="mailto:scram69@gmail.com">scram69@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><span class="e" id="q_11548151a0b94aa8_0"><br><br><div><span class="gmail_quote">On 9/27/07, <b class="gmail_sendername">David Brieck Jr.</b> <<a href="mailto:dbrieck@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
dbrieck@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On 9/27/07, Steve MacLaren <<a href="mailto:scram69@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">scram69@gmail.com</a>> wrote:<br>> 2-3 times a week, mythbackend.log fills up with "ivtv driver not
<br>> responding", while /var/log/messages fills up with ivtv DMA errors. This
<br>> causes my backend to completely lock up - no ssh, no ctl-alt-del, no<br>> response to anything other than the reset button.<br>><br>> I would very much like to update the ivtv driver version - I have 0.10.1
<br>> that came with Ubuntu Feisty. The only problem is I have not been able to<br>> un-install the current driver. The Ubuntu package manager allows<br>> un-installation of something called "ivtv-utils", but after removing that,
<br>> the ivtv 0.10.1 driver still loads.<br>><br>> Unfortunately, neither the howto at <a href="http://ivtvdriver.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">ivtvdriver.org</a>, or
<a href="http://help.ubuntu.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">help.ubuntu.com</a><br>> discuss un-installation. I'm guessing I need to go and manually delete some
<br>> files from the morass in /lib/modules/ , but I have no idea which ones. I<br>> would appreciate any insight...<br>><br>> Also, it was suggested on the ivtv-users list that the specific DMA error<br>> fixes are in the v4l-dvb repository at
<a href="http://linuxtv.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">linuxtv.org</a>. While the ivtv driver<br>> downloads had installation instructions, the downloads from<br>> <a href="http://www.linuxtv.org/hg/" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://www.linuxtv.org/hg/</a> do not. Any suggestions?
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><br><br>IVTV is now included with the kernel, you can't uninstall it. You'll
<br>need to build your kernel from scratch to get the result you're<br>looking for.<br><br>From the looks of it though it sounds like you've got a problem with<br>something other than IVTV, maybe a VIA chipset?<br>
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</a><br></blockquote></div></span></div>My motherboard is an Infinity NF ULTRAII-M2. According to the manufacturer's website, the chipset is an NVIDIA nForce4 Ultra.<br><br>Basically, I'm going from a number of other posts to the ivtv-users' list complaining of DMA errors, with the recommendation being to upgrade the driver to a non-faulty version.
<br><br>Sigh... so I guess my choices are to live with the lockups, or to learn how to build and upgrade a kernel from scratch, separately from my Ubuntu and Mythtv releases? Search this list for "kernel upgrade", and the result is a wasteland strewn with driver, application, and OS nightmares...
<br><br>Is there a way to re-create the Feisty kernel (2.6.20-16) with the only change being the ivtv driver?<br>
</blockquote></div><br>In an attempt to answer my own question, I came accross:<br><a href="https://help.ubuntu.com/community/Kernel/Compile">https://help.ubuntu.com/community/Kernel/Compile</a><br>Blowing by the strongly worded "at your own risk" disclaimer on the top of the page, I forge onward to "Reasons for NOT compiling a custom kernel":
<br><br>"You merely need to compile a special driver. For this, you only need to install the linux-headers packages."<br>Could this be the case? Is ivtv "a special driver" or not?<br><br>"You have no idea what you are doing, and if you break something, you'll
need help fixing it. If you hose your box, reinstall. Don't bother
asking for help."<br>Now this one seems dead on. Given my track record, I would put chances of "hosing my box" somewhere upwards of 99%. :)<br><br>