<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - Got call trace message "eDP powered off while attempting aux channel communication" while boot up" href="https://bugs.freedesktop.org/show_bug.cgi?id=112051#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - Got call trace message "eDP powered off while attempting aux channel communication" while boot up" href="https://bugs.freedesktop.org/show_bug.cgi?id=112051">bug 112051</a> from <a class="email" href="mailto:cyrus.lien@canonical.com" title="Cyrus <cyrus.lien@canonical.com>"> Cyrus</a> <pre>(In reply to Imre Deak from <a href="show_bug.cgi?id=112051#c10">comment #10</a>) > (In reply to Cyrus from <a href="show_bug.cgi?id=112051#c8">comment #8</a>) > > Created <a href="attachment.cgi?id=145804" name="attach_145804" title="dmesg with patch on Vostro">attachment 145804</a> <a href="attachment.cgi?id=145804&action=edit" title="dmesg with patch on Vostro">[details]</a> > > dmesg with patch on Vostro > > > > I have got bad news, the patch causes black screen issue on another one > > specific machine. > > Nothing obvious from the log, the only issue I see is > > [ 2.020663] irq 45: nobody cared (try booting with the "irqpoll" option) > [ 2.020667] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.4.0-rc3+ #1 > [ 2.020671] Hardware name: Dell Inc. Vostro 3681/06CV2N, BIOS 0.6.13 > 10/07/2019 > [ 2.020673] Call Trace: > [ 2.020679] <IRQ> > [ 2.020683] dump_stack+0x63/0x85 > [ 2.020685] __report_bad_irq+0x35/0xc0 > [ 2.020687] note_interrupt+0x24b/0x2a0 > [ 2.020689] handle_irq_event_percpu+0x54/0x80 > [ 2.020690] handle_irq_event+0x3b/0x60 > [ 2.020691] handle_fasteoi_irq+0x7c/0x130 > [ 2.020693] do_IRQ+0x54/0xe0 > [ 2.020695] common_interrupt+0xf/0xf > [ 2.020696] </IRQ> > > but that's in both logs. > > Did you try this with the latest drm-tip and then with the patch reverted on > top top of that? Tried the patch on top of drm-tip (commit 54d0d8863278). With the patch that Vostro machine got black screen after boot and it become normal after revert the patch. > > Is it 100% reproducible? Yes > > Do you get an FB console? (booting to bootlevel 3 adding "3" to the kernel > parameters). Yes, can get to console in runlevel 3.</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>