On Thu, 10 Oct 2013, Preston Connors <prestonconnors@xxxxxxxxx> wrote: > I am having an issue where my Macmini6,1 is hard freezing (no keyboard > control, have to power off and power back on using the power button) when > attempting to display a random video at random times but always freezing > when the video should be displayed by VLC during the start of the video. I > am suspecting it may be the i915 driver communicating with the Intel > Corporation 3rd Gen Core processor Graphics Controller (rev 09) graphics > controller. I'm having a problem debugging and pinpointing exactly what > might be freezing. and any help would be appreciated. This MacMini is > basically a simple kiosk that plays an mp4 video downloaded from Youtube; > the video plays, exits, and the next video plays ad infinitum. > > The final message from vlc -vvv when the system freezes: > [0x7f91f0001248] xcb vout display debug: display is visible > > With default kernel / device logging verbosities nothing is logged to > /var/log/syslog or /var/log/kern.log when the system freezes. > > i915 package information: > Package: xserver-xorg-video-intel > Version: 2:2.20.0-0ubuntu0~precise1 > > kernel: 3.2.0-54-generic x86_64 > > vlc version: 2.2.0~~git20131009+r3076-0~r106+100~ubuntu12.04.1 > > I enabled some verbose debug options from grub to enable more verbose > output today: > rootwait ignore_loglevel debug debug_locks_verbose=1 sched_debug > initcall_debug mminit_loglevel=4 udev.log_priority=8 loglevel=8 > earlyprintk=vga,keep log_buf_len=10M print_fatal_signals=1 apm.debug=Y > i8042.debug=Y drm.debug=1 scsi_logging_level=1 usbserial.debug=Y A more useful value for drm.debug might be 0xe. It's a bit mask. BR, Jani. > option.debug=Y pl2303.debug=Y firewire_ohci.debug=1 hid.debug=1 > pci_hotplug.debug=Y pci_hotplug.debug_acpi=Y shpchp.shpchp_debug=Y > apic=debug show_lapic=all hpet=verbose lmb=debug pause_on_oops=5 panic=10 > sysrq_always_enabled > > These debugging options enabled drm:drm_ioctl to create 576 messages per > second being written to /var/log/syslog and /var/log/kern.log. These > messages are being generated while the system is operating normally > displaying an mp4 video via VLC. > > Can you please help me out with what these debug messages mean? Are they > benign? > > Here is the condensed version of the messages from /var/log/kern.log: > > msg_count, msg > > 240 [drm:drm_ioctl], pid=1416, cmd=0x4020645d, nr=0x5d, dev 0xe200, > auth=1 > 144 [drm:drm_ioctl], pid=1416, cmd=0xc00c6466, nr=0x66, dev 0xe200, > auth=1 > 96 [drm:drm_ioctl], pid=1416, cmd=0xc0086457, nr=0x57, dev 0xe200, > auth=1 > 24 [drm:drm_ioctl], pid=1416, cmd=0xc06864a1, nr=0xa1, dev 0xe200, > auth=1 > 24 [drm:drm_ioctl], pid=1416, cmd=0x6458, nr=0x58, dev 0xe200, auth=1 > 24 [drm:drm_ioctl], pid=1416, cmd=0x40406469, nr=0x69, dev 0xe200, > auth=1 > 24 [drm:drm_ioctl], pid=1416, cmd=0x400c645f, nr=0x5f, dev 0xe200, > auth=1 > > > Unabridged version of one second of messages: > http://pastebin.com/PxS9giiZ > > Once I understand these messages I'm going to wait for the system to fail > and see if there are different or new debug messages. Thanks in advance for > your help! I'm willing to troubleshoot and try different things to > determine the root cause of this freezing. > > -- > Thank you, > Preston Connors > 407-283-7806 > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
