Hallo all, i have fallowing issue on my Asus Zenbook ux31e, SNB intel_stepping Vendor: 0x8086, Device: 0x0116, Revision: 0x09 (??) - xserver freezes, but i can use ssh. - there is fallowing dmesg: [ 59.976489] ------------[ cut here ]------------ [ 59.976514] Kernel BUG at ffffffffa03eacd7 [verbose debug info unavailable] [ 59.976543] invalid opcode: 0000 [#1] SMP [ 59.976559] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek joydev coretemp kvm_intel kvm bnep rfcomm parport_pc ghash_clmulni_intel ppdev snd_hda_intel snd_hda_codec snd_hwdep aesni_intel ablk_helper snd_pcm cryptd i915 lrw aes_x86_64 xts arc4 gf128mul snd_seq_midi ath9k snd_rawmidi asus_nb_wmi asus_wmi uvcvideo sparse_keymap mac80211 videobuf2_core snd_seq_midi_event snd_seq videodev rts5139(C) videobuf2_vmalloc snd_timer snd_seq_device videobuf2_memops ath9k_common ath9k_hw drm_kms_helper drm snd ath ath3k i2c_algo_bit btusb bluetooth cfg80211 wmi psmouse soundcore lpc_ich mei snd_page_alloc microcode serio_raw binfmt_misc video mac_hid lp parport hid_generic usbhid hid [ 59.976817] CPU 1 [ 59.976826] Pid: 6, comm: kworker/u:0 Tainted: G C 3.7.0-997-generic #201212210500 ASUSTeK Computer Inc. UX31E/UX31E [ 59.976857] RIP: 0010:[<ffffffffa03eacd7>] [<ffffffffa03eacd7>] i915_gem_object_unpin+0x47/0x50 [i915] [ 59.976895] RSP: 0018:ffff88013934dd88 EFLAGS: 00010246 [ 59.976910] RAX: ffff8801369fc060 RBX: ffff880135229ea0 RCX: ffffffff81e66b60 [ 59.976930] RDX: 0000000000000002 RSI: ffffffff81e66b60 RDI: ffff880122024180 [ 59.976950] RBP: ffff88013934dd88 R08: ffff88013934c000 R09: 0000000000000000 [ 59.976970] R10: ffff880122155a08 R11: 0000000000000008 R12: ffff8801353fc820 [ 59.976989] R13: ffff8801353fc800 R14: ffffffff81e66940 R15: 0000000000000000 [ 59.977010] FS: 0000000000000000(0000) GS:ffff88013f420000(0000) knlGS:0000000000000000 [ 59.977032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.977048] CR2: 0000000002a6ff50 CR3: 0000000001c0c000 CR4: 00000000000407e0 [ 59.977068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.977088] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 59.977107] Process kworker/u:0 (pid: 6, threadinfo ffff88013934c000, task ffff880139350000) [ 59.977130] Stack: [ 59.977137] ffff88013934dd98 ffffffffa040163e ffff88013934ddc8 ffffffffa04026d8 [ 59.977162] ffff880129c0e580 ffff880135229ea0 ffff88013929a200 ffff88013486b200 [ 59.977187] ffff88013934de48 ffffffff81077b20 ffff88013934dfd8 ffff88013934dfd8 [ 59.977212] Call Trace: [ 59.977229] [<ffffffffa040163e>] intel_unpin_fb_obj+0x3e/0x40 [i915] [ 59.977254] [<ffffffffa04026d8>] intel_unpin_work_fn+0x38/0xc0 [i915] [ 59.977275] [<ffffffff81077b20>] process_one_work+0x130/0x480 [ 59.977298] [<ffffffffa04026a0>] ? i9xx_crtc_mode_set+0x670/0x670 [i915] [ 59.977317] [<ffffffff81078768>] worker_thread+0x168/0x400 [ 59.977334] [<ffffffff81078600>] ? manage_workers+0x120/0x120 [ 59.977352] [<ffffffff8107db20>] kthread+0xc0/0xd0 [ 59.977368] [<ffffffff8107da60>] ? flush_kthread_worker+0xb0/0xb0 [ 59.977387] [<ffffffff816d02ec>] ret_from_fork+0x7c/0xb0 [ 59.977404] [<ffffffff8107da60>] ? flush_kthread_worker+0xb0/0xb0 Is it know issue? I use xorg.org/edgers and intel-drm-next. xserver-xorg-video-intel: Installiert: 2:2.20.17+git20130104.b5b3cfb0-0ubuntu0sarvatt~quantal Kandidat: 2:2.20.17+git20130104.b5b3cfb0-0ubuntu0sarvatt~quantal Versionstabelle: *** 2:2.20.17+git20130104.b5b3cfb0-0ubuntu0sarvatt~quantal 0 500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ quantal/main amd64 Packages 100 /var/lib/dpkg/status 2:2.20.9-0ubuntu2 0 500 http://de.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages kernel intel-drm-next c0c36b941b6f0be6ac74 -- Regards, Oleksij