<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [snb regression] pll readout blows up on p1 == 0" href="https://bugs.freedesktop.org/show_bug.cgi?id=76738#c9">Comment # 9</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [snb regression] pll readout blows up on p1 == 0" href="https://bugs.freedesktop.org/show_bug.cgi?id=76738">bug 76738</a> from <a class="email" href="mailto:peter.senna@gmail.com" title="Peter Senna Tschudin <peter.senna@gmail.com>"> Peter Senna Tschudin</a> <pre>On Wed, Sep 17, 2014 at 3:45 PM, <<a href="mailto:bugzilla-daemon@freedesktop.org">bugzilla-daemon@freedesktop.org</a>> wrote: > <a href="show_bug.cgi?id=76738#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [snb regression] pll readout blows up on p1 == 0" href="show_bug.cgi?id=76738">bug 76738</a> from Imre Deak > > (In reply to <a href="show_bug.cgi?id=76738#c7">comment #7</a>) >> >Can you try to remove any special options from grub like gfxmode or >> > similar and >> >let grub run in legacy vga mode? >> Current configuration: >> linux /boot/vmlinuz-3.14.0-rc8+ >> root=UUID=135a331c-88e4-4131-8630-93fc16045d95 ro rd.md=0 rd.lvm=0 rd.dm=0 >> vconsole.keymap=us rd.luks=0 vconsole.font=latarcyrheb-sun16 quiet >> >> What should I try? > > Just to clarify, does the HDMI output work at all with 3.14-rc7? There is at > least an HDMI modeset in the log that seems to succeed. I'm sorry but I have a different hardware setup now, with a newer version of the GPU in which the problem doesn't happen any more. > > As Daniel pointed out, the BIOS or boot loader seems to configure the PLL > with > an invalid config, but then (at least 3.14-rc7 and for VGA) the driver > modeset > succeeds. Did you try already to upgrade your BIOS? Toshiba has discontinued the model, but I was using the latest bios available. > > To make sure it's not a bootloader issue by forcing GRUB to use text mode: > GRUB > has additional global options besides those you listed above, you should > check > places like /etc/default/grub or /boot/grub/grub.cfg. You'd need to set > something like GRUB_GFXPAYLOAD_LINUX=text for GRUB2.0, please check the GRUB > docs to be sure. Afterwards we'd need another reg dump after you booted with > nomodeset. I don't have the hw any more, sorry. > > As I understood 3.12 worked with HDMI attached but 3.13 hanged. Could you do > a > kernel bisect between those two versions? I don't have the hw any more, sorry. > > Thanks. > > ________________________________ > You are receiving this mail because: > > You reported the bug.</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>