<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed" href="https://bugs.freedesktop.org/show_bug.cgi?id=76554#c73">Comment # 73</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed" href="https://bugs.freedesktop.org/show_bug.cgi?id=76554">bug 76554</a> from <a class="email" href="mailto:serafean@gmail.com" title="Martin Bednar <serafean@gmail.com>"> Martin Bednar</a> <pre>Hi, I'm hitting this reliably on every resume on 3.15.5. (libdrm 2.4.54, mesa 10.2.3) relevant dmesg output : juil. 11 17:28:23 Nemmerle kernel: [drm:i965_irq_handler] *ERROR* pipe B underrun juil. 11 17:29:52 Nemmerle kernel: [drm:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 head 00000268 tail 00000000 start 007510 juil. 11 17:29:52 Nemmerle kernel: dpm_run_callback(): pci_pm_resume+0x0/0xb0 returns -5 juil. 11 17:29:52 Nemmerle kernel: PM: Device 0000:00:02.0 failed to resume async: error -5 Kwin crashes really bad after this happens... Not sure if the pipe B underrun is related, as that happens even without resuming. This is on : 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) If I can help in any way, let me know...</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>