kernel-packages team mailing list archive

[Iuri Diniz <1331654@xxxxxxxxxxxxxxxxxx>]

I did a bisect and found the first bad commit:
========================
18442d08786472c63a0a80c27f92b033dffc26de is the first bad commit
commit 18442d08786472c63a0a80c27f92b033dffc26de
Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Date:   Fri Sep 13 16:00:08 2013 +0300

    drm/i915: Fix port_clock and adjusted_mode.clock readout all over
    
    Now that adjusted_mode.clock no longer contains the pixel_multiplier, we
    can kill the get_clock() callback and instead do the clock readout
    in get_pipe_config().
    
    Also i9xx_crtc_clock_get() can now extract the frequency of the PCH
    DPLL, so use it to populate port_clock accurately for PCH encoders.
    For DP in port A the encoder is still responsible for filling in
    port_clock. The FDI adjusted_mode.clock extraction is kept in place
    for some extra sanity checking, but we no longer need to pretend it's
    also the port_clock.
    
    In the encoder get_config() functions fill out adjusted_mode.clock
    based on port_clock and other details such as the DP M/N values,
    HDMI 12bpc and SDVO pixel_multiplier. For PCH encoders we will then
    do an extra sanity check to make sure the dotclock we derived from
    the FDI configuratiuon matches the one we derive from port_clock.
    
    DVO doesn't exist on PCH platforms, so it doesn't need to anything
    but assign adjusted_mode.clock=port_clock. And DDI is HSW only, so
    none of the changes apply there.
    
    v2: Use hdmi_reg color format to detect 12bpc HDMI case
    v3: Set adjusted_mode.clock for LVDS too
    v4: Rename ironlake_crtc_clock_get to ironlake_pch_clock_get,
        eliminate the useless link_freq variable.
    
    Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
    Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
    Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

:040000 040000 28aa8dae70bff05e84a62d6b66eaa54e331690bd 55c4132a8c8e9088505ad5647a7b79735f5a1f54 M	drivers
==================================================

So, it seems it's a upstream bug

Also, only occurs if someone is logged (in a fresh boot,  if I suspend
from lightdm, it resumes well). Maybe something related between some
software (compiz?) and DRM layer

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/1331654

Title:
  [Dell Inspiron 1525] Cannot resume from suspend

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Hello folks,

  After upgrading to Ubuntu Trusty (14.04), I cannot more resume from a
  previous suspend. All things were all right on 13.10.

  If I boot previous kernel 3.11.0-23, everything works well.

  Also I've tried these kernels:

  vanilla 3.13.0-rc1 (Bugged)
  vanilla 3.12.22 (Working)

  I also noted if I suspend from lightdm menu (on 3.13.0-rc1), I can
  resume after, but If I do this after logged with my user (not root), I
  am unable to resume from suspend.

  I cannot perform Sysrq magic keys, I can only press the power button.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  iuri       2137 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jun 18 15:22:53 2014
  HibernationDevice: RESUME=UUID=5dd061d0-fd44-4034-9107-63948dcd2c16
  InstallationDate: Installed on 2014-05-01 (48 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Inspiron 1525
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-29-generic root=UUID=a198f31e-440b-4f9b-87bb-d5e956fbe42f ro rootflags=subvol=@ locale=pt_BR quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-29-generic N/A
   linux-backports-modules-3.13.0-29-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/16/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 0D109D
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd10/16/2008:svnDellInc.:pnInspiron1525:pvr:rvnDellInc.:rn0D109D:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1525
  dmi.sys.vendor: Dell Inc.

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