<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [ivb bisected regression] Dell Latitude 6430u failed to boot without nomodeset - since 3.16-rc5" href="https://bugs.freedesktop.org/show_bug.cgi?id=82439#c14">Comment # 14</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [ivb bisected regression] Dell Latitude 6430u failed to boot without nomodeset - since 3.16-rc5" href="https://bugs.freedesktop.org/show_bug.cgi?id=82439">bug 82439</a> from <a class="email" href="mailto:lv.zheng@intel.com" title="Lv Zheng <lv.zheng@intel.com>"> Lv Zheng</a> <pre>(In reply to <a href="show_bug.cgi?id=82439#c11">comment #11</a>) > Created <a href="attachment.cgi?id=105784" name="attach_105784" title="reorder vgacon vs fbdev kicking">attachment 105784</a> <a href="attachment.cgi?id=105784&action=edit" title="reorder vgacon vs fbdev kicking">[details]</a> <a href='page.cgi?id=splinter.html&bug=82439&attachment=105784'>[review]</a> [review] > reorder vgacon vs fbdev kicking > > Interesting indeed ... > > A few things to test: > - On a broken kernel, what happens when you rebuild with CONFIG_FB_VGA16=n? I can successfully switch to the i915 module. Find the dmesg in <a href="show_bug.cgi?id=82439#c12">comment 12</a>, <a href="attachment.cgi?id=105949" name="attach_105949" title="Modprobe after boot without FB_VGA16">attachment 105949</a> <a href="attachment.cgi?id=105949&action=edit" title="Modprobe after boot without FB_VGA16">[details]</a>. > - Please attach the dmesg log from a working kernel. I'm not sure if you mean you want something like <a href="show_bug.cgi?id=82439#c12">comment 12</a>, <a href="attachment.cgi?id=105949" name="attach_105949" title="Modprobe after boot without FB_VGA16">attachment 105949</a> <a href="attachment.cgi?id=105949&action=edit" title="Modprobe after boot without FB_VGA16">[details]</a> here. > - Please test the attached patch. I can successfully switch to the i915 module with CONFIG_FB_VGA16=y. Find the dmesg in <a href="show_bug.cgi?id=82439#c13">comment 13</a>, <a href="attachment.cgi?id=105950" name="attach_105950" title="Modprobe after boot with fix applied">attachment 105950</a> <a href="attachment.cgi?id=105950&action=edit" title="Modprobe after boot with fix applied">[details]</a>. Well, I'm not sure if this is the root cause, but this patch can really prevent what I sufferred from from happenning. :)</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>