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            <b><a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED --- - Radeon HD 6450 (NI CAICOS) screen corruption on boot"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=42373#c37">Comment # 37</a>
              on <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED --- - Radeon HD 6450 (NI CAICOS) screen corruption on boot"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=42373">bug 42373</a>
              from <span class="vcard"><a class="email" href="mailto:kunal.gangakhedkar@gmail.com" title="Kunal <kunal.gangakhedkar@gmail.com>"> <span class="fn">Kunal</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=42373#c36">comment #36</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=42373#c35">comment #35</a>)
> > Did you tested 3.7 kernel ? Bunch of patch went in some might help your case.

> No, not yet.
> Will build and test a 3.7-rc1 based kernel and report back.

> Thanks,
> Kunal</span >

OK, didn't get time to try 3.7-rc1. So, instead, installed 3.7-rc5 based Ubuntu
kernel from:
<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/</a>

(specifically, following files:
<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-headers-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-headers-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb</a>

<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-headers-3.7.0-030700rc5_3.7.0-030700rc5.201211110835_all.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-headers-3.7.0-030700rc5_3.7.0-030700rc5.201211110835_all.deb</a>

<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-image-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-image-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb</a>

<a href="http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-image-extra-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb">http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/linux-image-extra-3.7.0-030700rc5-generic_3.7.0-030700rc5.201211110835_amd64.deb</a>
)

With this, situation is no better. In fact, with this kernel, I cannot even
switch to a tty to restart X - which works happily on my current
3.2.0-32-generic
(package: "linux-image-3.2.0-32-generic" version: "3.2.0-32.51").

There is no significant message logged in the syslog with 3.7-rc5 which can
point to a problem. Attaching the dmesg output and Xorg log anyways.

Thanks,
Kunal</pre>
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