[Bug 1195687]

Sun Jul 14 10:10:10 UTC 2013

So, I've tried the patch on a 3.10 kernel that was affected and... Great, it Works! :)
FYI, I've also added a couple of error logs in the code to see where exactly the failure was and this was the result:

[    2.073137] [drm] fb mappable at 0xC035F000
[    2.073139] [drm] vram apper at 0xC0000000
[    2.073140] [drm] size 8294400
[    2.073141] [drm] fb depth is 24
[    2.073142] [drm]    pitch is 7680
[    2.073252] fbcon: radeondrmfb (fb0) is primary device
[    2.073323] [drm:evergreen_hdmi_enable] *ERROR* Invalid DIG (dig: ffff880229d0fc00, dig->afmt: (null)) /home/marco/Dev/debs/linux-3.10.0/drivers/gpu/drm/radeon/evergreen_hdmi.c:298
[    2.573589] [drm:evergreen_hdmi_enable] *ERROR* Invalid DIG (dig: ffff880229d0fc00, dig->afmt: (null)) /home/marco/Dev/debs/linux-3.10.0/drivers/gpu/drm/radeon/evergreen_hdmi.c:298
[    2.607449] Console: switching to colour frame buffer device 170x48
[    2.610160] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[    2.610162] radeon 0000:01:00.0: registered panic notifier
[    2.610237] [drm] Initialized radeon 2.33.0 20080528 for 0000:01:00.0 on minor 0

Full dmesg at http://pastebin.ubuntu.com/5873667/
I don't know if this may be only the side effect of another issue (wrong initialization order?).

One more thing I discovered in the past days, is that the kernel crash
was not happening in case that the HDMI was plugged after that ligthtdm
was running (attaching it anytime before was leading to a freeze).

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https://bugs.launchpad.net/bugs/1195687

Title:
  system fails to boot with kernel 3.10.0 when using radeon.audio=1

Status in The Linux Kernel:
  Fix Released
Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Invalid

Bug description:
  Since the upgrade to the kernel 3.10.0 I can't boot, due to an init (it seems) crash.
  If I try to boot in recovery mode and then I continue to a normal session, all works well.
  Going back to kernel 3.9.0 all works again.

  UPDATE: It seems that the problem is caused by the radeon.audio=1
  string, adding that to kernel parameters, makes my system not to boot
  (when HDMI is plugged in).

  ProblemType: CrashDistroRelease: Ubuntu 13.10
  Package: upstart 1.8-0ubuntu7
  ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
  Uname: Linux 3.9.0-7-generic x86_64
  ApportVersion: 2.10.2-0ubuntu3
  Architecture: amd64
  Date: Mon Jun 24 18:29:12 2013
  ExecutablePath: /sbin/init
  InstallationDate: Installed on 2010-07-10 (1083 days ago)InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  MarkForUpload: True
  ProcCmdline: init --user
  ProcEnviron:
   LANGUAGE=it_IT
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.9.0-7-generic root=UUID=4811a166-63ca-4702-8e63-0c357cc2e2f7 ro crashkernel=384M-2G:64M,2G-:128M quiet splash radeon.audio=1SourcePackage: upstart
  UpgradeStatus: Upgraded to saucy on 2012-10-10 (261 days ago)
  UpstartBugCategory: Unknown
  UpstartRunningSessionVersion: init (upstart 1.8-ubuntu-full-serialization)
  UpstartRunningSystemVersion: init (upstart 1.8-ubuntu-full-serialization)
  modified.conffile..etc.init.d.gdm: [modified]
  modified.conffile..etc.init.d.networking: [modified]
  mtime.conffile..etc.init.d.gdm: 2013-06-17T15:24:42
  mtime.conffile..etc.init.d.networking: 2013-05-18T07:37:44
  ---
  ApportVersion: 2.10.2-0ubuntu3Architecture: amd64DistroRelease: Ubuntu 13.10
  InstallationDate: Installed on 2010-07-10 (1087 days ago)InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  MarkForUpload: True
  Package: upstart 1.8-0ubuntu7
  PackageArchitecture: amd64
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.10.0-1-generic root=UUID=4811a166-63ca-4702-8e63-0c357cc2e2f7 ro recovery nomodeset
  ProcVersionSignature: Ubuntu 3.10.0-1.8-generic 3.10.0-rc7
  Tags:  saucy
  Uname: Linux 3.10.0-1-generic x86_64
  UpgradeStatus: Upgraded to saucy on 2012-10-10 (264 days ago)
  UpstartBugCategory: System
  UserGroups: adm admin audio cdrom debian-tor dialout dip fuse lp lpadmin netdev plugdev sambashare sbuild vboxusers video
  modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Permesso negato: u'/etc/at.deny']
  modified.conffile..etc.init.d.gdm: [modified]
  modified.conffile..etc.init.d.networking: [modified]
  mtime.conffile..etc.init.d.gdm: 2013-06-17T15:24:42
  mtime.conffile..etc.init.d.networking: 2013-05-18T07:37:44
  upstart.logrotate.log: gzip: stdin: file size changed while zipping
  upstart.upstart-file-bridge.log:
   Job got added /com/ubuntu/Upstart/jobs/unicast_2dlocal_2davahi
   Job got added /com/ubuntu/Upstart/jobs/update_2dnotifier_2dcrash
   Job got added /com/ubuntu/Upstart/jobs/update_2dnotifier_2drelease
   upstart-file-bridge: Impossibile scrivere il file pid: Permesso negato
  ---
  ApportVersion: 2.10.2-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  marco      3320 F.... pulseaudio
   /dev/snd/controlC0:  marco      3320 F.... pulseaudioDistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=534ddf57-b0f4-4367-ae56-d2878b2f614f
  InstallationDate: Installed on 2010-07-10 (1087 days ago)InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  MachineType: Acer Aspire 4820TG
  MarkForUpload: True
  Package: linux-image-3.10.0-1-generic 3.10.0-1.8
  PackageArchitecture: amd64
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.9.0-7-generic root=UUID=4811a166-63ca-4702-8e63-0c357cc2e2f7 ro crashkernel=384M-2G:64M,2G-:128M quiet splash radeon.audio=1
  ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
  RelatedPackageVersions:
   linux-restricted-modules-3.9.0-7-generic N/A
   linux-backports-modules-3.9.0-7-generic  N/A
   linux-firmware                           1.110
  Tags:  saucy
  Uname: Linux 3.9.0-7-generic x86_64
  UpgradeStatus: Upgraded to saucy on 2012-10-10 (264 days ago)
  UserGroups: adm admin audio cdrom debian-tor dialout dip fuse lp lpadmin netdev plugdev sambashare sbuild vboxusers video
  dmi.bios.date: 03/16/2011
  dmi.bios.vendor: INSYDE
  dmi.bios.version: V1.25
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: JM41_CP
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvrV1.25:bd03/16/2011:svnAcer:pnAspire4820TG:pvrV1.25:rvnAcer:rnJM41_CP:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire 4820TG
  dmi.product.version: V1.25
  dmi.sys.vendor: Acer

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