reboot freeze on Dell XPS 710

Attaching a possible patch for the kernel team to consider. Will inline below as well:

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 0d897f8..66a9cfc 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -211,6 +211,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
            DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq"),
        },
    },
+ { /* Handle problems with rebooting on Dell XPS710 */
+ .callback = set_bios_reboot,
+ .ident = "Dell XPS710",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Dell XPS710"),
+ },
+ },
    { }
 };

Please test the kernel in:

http://rookery.canonical.com/~manjo/lp323592-jaunty/

and report test results here.

rojanu, could you test the kernel that Manoj posted and let us know your results. I unfortunately don't have the hw here to test with. Thanks.

I have tested the image and it works OK.

Thanks

http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=commit;h=bc1b8b8de0b70bd29521a3924408ef5903a9a439

This bug was fixed in the package linux - 2.6.28-8.27

---------------
linux (2.6.28-8.27) jaunty; urgency=low

  [ Amit Kucheria ]

  * Updating configs (arm:ixp4xx)

  [ Andy Whitcroft ]

  * SAUCE: enable Intel HDMI output

  [ Manoj Iyer ]

  * SAUCE: Added quirk for Linksys WUSB600N USB wifi-n networking adapter
    - LP: #323473

  [ Steve Beattie ]

  * fix apparmor memory leak on unlinked file ops
    - LP: #329489

  [ Tim Gardner ]

  * SAUCE: Dell XPS710 reboot quirk
    - LP: #323592
  * SAUCE: (drop after 2.6.28) ieee80211: Add infrastructure to obsolete
    scan results
    - LP: #336055
  * Add modules.order to the linux-image package.

  [ Upstream Kernel Changes ]

  * iwlwifi: fix time interval misuse in iwl_poll_{direct_}bit
  * x86: only scan the root bus in early PCI quirks
    - LP: #267295
  * ALSA: hda - Intel HDMI audio support
  * ALSA: hda - Fix unused function in patch_intelhdmi.c
  * ALSA: handle SiI1392 HDMI codec in patch_intelhdmi.c
  * ALSA: hda-intel: reorder HDMI audio enabling sequence
  * ALSA: introduce snd_print_pcm_rates()
  * ALSA: create hda_eld.c for ELD routines and proc interface
  * ALSA: ELD proc interface for HDMI sinks
  * ALSA: hda: make standalone hdmi_fill_audio_infoframe()
  * ALSA: hda: make global snd_print_channel_allocation()
  * ALSA: hda: HDMI channel allocations for audio infoframe
  * ALSA: hda: HDMI channel mapping cleanups
  * ALSA: hda: minor code cleanups
  * ALSA: hda: rename sink_eld to hdmi_eld
  * ALSA: hda - Release ELD proc file
  * ALSA: hda - minor HDMI code cleanups
  * ALSA: hda - report selected CA index for Audio InfoFrame
  * ALSA: hda - Add Intel vendor id string

 -- Tim Gardner <email address hidden> Wed, 25 Feb 2009 14:23:46 -0700