The same here, previous kernel 3.5.0-25-generic works without problems, 3.5.0-26.42 hanged just now:
$ dmesg|grep i915 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.5.0-26-generic root=/dev/mapper/System-root ro quiet splash i915.i915_enable_rc6=1 vt.handoff=7 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.5.0-26-generic root=/dev/mapper/System-root ro quiet splash i915.i915_enable_rc6=1 vt.handoff=7 [ 1.667363] i915 0000:00:02.0: power state changed by ACPI to D0 [ 1.667367] i915 0000:00:02.0: power state changed by ACPI to D0 [ 1.667652] i915 0000:00:02.0: setting latency timer to 64 [ 1.687950] i915 0000:00:02.0: irq 44 for MSI/MSI-X [ 2.429882] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [ 330.684154] i915 0000:00:02.0: power state changed by ACPI to D3 [ 331.826825] i915 0000:00:02.0: power state changed by ACPI to D0 [ 331.826829] i915 0000:00:02.0: power state changed by ACPI to D0 [ 331.826830] i915 0000:00:02.0: setting latency timer to 64 [ 1677.075872] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 1677.075876] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state Content of i915_error_state attached. Will disable rc6 and test what happens then. ** Attachment added: "i915_error_state" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+attachment/3583662/+files/i915_error_state -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140716 Title: [regression] 3.5.0-26-generic CPU hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
