Launchpad has imported 12 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=38527.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2011-06-21T14:17:22+00:00 Robert Hooker wrote: Created attachment 48233 drm.debug=0x0e dmesg from failed boot -- CPU: Intel Core(TM) i3-2100 CPU @ 3.10GHz (Sandy Bridge) -- GPU: Intel Corporation Sandy Bridge Integrated Graphics Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller]) -- system architecture: 32-bit -- Linux distribution: Ubuntu 10.10 and 11.04 -- Package versions: libdrm - 2.4.21-1ubuntu2 and 2.4.23-1ubuntu6 xf86-video-intel - 2:2.12.0-1ubuntu5.2 and 2:2.14.0-4ubuntu7 kernel - 2.6.35-24.42-generic (2.6.35.8) through 2.6.39.1 This system is a desktop one with a eDP->LVDS converter (CH7511B) for the all-in-one panel and it only works with VESA. As soon as KMS kicks in it goes black and doesn't come back. External monitors still work fine, its just the internal panel that is black. Ubuntu maverick and natty were tested, as well as a 2.6.39.1 kernel. the 2.6.39.1 kernel actually hung with an external monitor, with additional messages like these at the end PCH HDCP audio interrupt Followed by a two additional DRM messages: <7> [ 17.668935 ] [drm.ironlake_dp_detect], DPCD: 0000 <7> [ 245.874118] [drm:i915_hotplug_work_func], running encoder hotplug functions Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/0 ------------------------------------------------------------------------ On 2011-06-21T14:18:15+00:00 Robert Hooker wrote: Created attachment 48234 xrandr --verbose with external VGA plugged in Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/1 ------------------------------------------------------------------------ On 2011-06-21T17:50:53+00:00 Chris Wilson wrote: Looks like this symptom again: [ 10.878980] [drm:gen6_fdi_link_train], FDI_RX_IIR 0x100 [ 10.878983] [drm:gen6_fdi_link_train], FDI train 1 done. [ 10.879632] [drm:gen6_fdi_link_train], FDI_RX_IIR 0x600 [ 10.879635] [drm:gen6_fdi_link_train], FDI train 2 done. [ 10.879636] [drm:gen6_fdi_link_train], FDI train done. Typically we see FDI_RX_IIR 0x700 for train 1, with circumstantial evidence suggesting that 0x100 (although seemingly correct wrt the specs) is incomplete. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/5 ------------------------------------------------------------------------ On 2011-06-21T17:51:59+00:00 Chris Wilson wrote: Created attachment 48245 Clear FDI IIR before use This patch should have no effect... But who knows and if you have a reproducible system it would be good to test. :) Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/6 ------------------------------------------------------------------------ On 2011-06-27T10:25:26+00:00 Robert Hooker wrote: (In reply to comment #3) > Created an attachment (id=48245) [details] > Clear FDI IIR before use > > This patch should have no effect... But who knows and if you have a > reproducible system it would be good to test. :) It didn't have any effect for the bug and still went blank after grub. unfortunately this was all of the log I could get from the person with the machine http://sarvatt.com/kern.log (too big to attach) Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/7 ------------------------------------------------------------------------ On 2011-06-27T10:33:23+00:00 Chris Wilson wrote: Oh boy. Is it seriously in a hotplug loop? Jesse, doesn't this look suspicious: Jun 23 15:58:56 u-23-AIO kernel: [ 140.240475] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.240476] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.240478] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.246637] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.246638] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.246640] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.254675] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.254677] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.254678] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.262625] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.262626] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.262628] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.270662] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.270663] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.270664] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.278615] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.278616] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.278618] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.286653] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.286655] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.286656] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.294601] [drm:pch_irq_handler], Jun 23 15:58:56 u-23-AIO kernel: [ 140.294602] [drm:i915_hotplug_work_func], running encoder hotplug functions Jun 23 15:58:56 u-23-AIO kernel: [ 140.294604] PCH HDCP audio interrupt Jun 23 15:58:56 u-23-AIO kernel: [ 140.302616] [drm:output_poll_execute], [CONNECTOR:21:HDMI-A-3] status updated from 2 to 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.303126] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x5143003e Jun 23 15:58:56 u-23-AIO kernel: [ 140.303127] [drm:ironlake_dp_detect], DPCD: 0000 Jun 23 15:58:56 u-23-AIO kernel: [ 140.303129] [drm:output_poll_execute], [CONNECTOR:23:DP-2] status updated from 2 to 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.304159] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.331223] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.331224] [drm:output_poll_execute], [CONNECTOR:5:eDP-1] status updated from 1 to 1 Jun 23 15:58:56 u-23-AIO kernel: [ 140.331228] [drm:intel_ironlake_crt_detect_hotplug], ironlake hotplug adpa=0xf40000, result 0 Jun 23 15:58:56 u-23-AIO kernel: [ 140.331229] [drm:intel_crt_detect], CRT not detected via hotplug Jun 23 15:58:56 u-23-AIO kernel: [ 140.331231] [drm:output_poll_execute], [CONNECTOR:9:VGA-1] status updated from 2 to 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.333542] [drm:output_poll_execute], [CONNECTOR:12:HDMI-A-1] status updated from 2 to 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.334051] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x5143003e Jun 23 15:58:56 u-23-AIO kernel: [ 140.334052] [drm:ironlake_dp_detect], DPCD: 0000 Jun 23 15:58:56 u-23-AIO kernel: [ 140.334053] [drm:output_poll_execute], [CONNECTOR:14:DP-1] status updated from 2 to 2 Jun 23 15:58:56 u-23-AIO kernel: [ 140.336373] [drm:output_poll_execute], [CONNECTOR:18:HDMI-A-2] status updated from 2 to 2 repeated ad infinitum. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/8 ------------------------------------------------------------------------ On 2011-06-27T10:42:11+00:00 Chris Wilson wrote: Created attachment 48459 Pass pch_iir to its handler The useful part is the extra debug line to try and clarify what's being set in that hotplug loop. If it actually fixes the issue, I'd be amazed ;-) Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/9 ------------------------------------------------------------------------ On 2011-07-29T09:15:13+00:00 Chris Wilson wrote: It would be worthwhile to check with drm-intel-fixes for the DP hotplug fixes (along with the conformance fixes). However, I believe that we need to mask the audio bits in the interrupt mask... Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/10 ------------------------------------------------------------------------ On 2011-09-18T20:50:15+00:00 Robert Hooker wrote: Sorry this one is taking so long to reply to, I had to go through 3 layers of people to get info out of it at the time and those machines are gone. I should be able to get some hands on time with it in the next month or two without ancient versions. It might be a good idea to just close it and I'll reopen/make a new one with better info then. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/11 ------------------------------------------------------------------------ On 2011-10-25T07:02:30+00:00 Keng-Yü Lin wrote: Lenovo AIO C320 (SandyBridge Celeron G530) has this bug too. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/12 ------------------------------------------------------------------------ On 2011-10-25T07:16:10+00:00 Gordon Jin wrote: Keng-Yu Lin has the hardware and could be able to test the latest code. The current drm-intel-next still doesn't work for the Lenovo AIO C320. I'm promoting this bug to P1. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/13 ------------------------------------------------------------------------ On 2011-10-27T04:45:43+00:00 Keith Packard wrote: I'll need an updated kernel log from the current drm-intel-next kernel with drm.debug=0x0e from the Dell AIO machine. Also, please create a separate bug for the Lenovo AIO, also attaching a kernel log. Reply at: https://bugs.launchpad.net/linux/+bug/800226/comments/14 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/800226 Title: [Sandybridge GT1] No display on dell all-in-one To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/800226/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
