apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1341078/+attachment/4151053/+files/Lspci.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1341078 Title: Video randomly freezes. drivers/gpu/drm/drm_crtc.c Status in “linux” package in Ubuntu: Confirmed Bug description: this bug appears randomly. i dont know what triggers this bug or to witch packet it belongs. when i get this error, everythin freezes, only mouse is moving. im using GNOME Shell 3.10.4. dmesg shows: [ 7682.516666] ------------[ cut here ]------------ [ 7682.516713] WARNING: CPU: 1 PID: 1140 at /build/buildd/linux-3.13.0/drivers/gpu/drm/drm_crtc.c:2097 drm_mode_set_config_internal+0xd6/0xe0 [drm]() [ 7682.516774] Modules linked in: ctr ccm pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) snd_hda_codec_realtek snd_hda_codec_hdmi bnep rfcomm binfmt_misc hid_generic usbhid hid uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev nls_iso8859_1 kvm_amd kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul ath3k glue_helper ablk_helper btusb cryptd bluetooth joydev serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm arc4 snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi ath9k ath9k_common ath9k_hw snd_seq ath snd_seq_device mac80211 snd_timer snd cfg80211 k10temp i2c_piix4 radeon ttm drm_kms_helper soundcore drm i2c_algo_bit wmi video mac_hid parport_pc ppdev lp parport psmouse ahci libahci r8169 mii [ 7682.516779] CPU: 1 PID: 1140 Comm: Xorg Tainted: GF O 3.13.0-30-generic #54-Ubuntu [ 7682.516781] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 535U3C/NP535U3C-A01EE, BIOS P07RAS.W73.130411.LEO 04/11/2013 [ 7682.516787] 0000000000000009 ffff8800874efab0 ffffffff8171a324 0000000000000000 [ 7682.516791] ffff8800874efae8 ffffffff810676bd ffff880139e310a0 0000000000000000 [ 7682.516795] ffff880095301000 ffff88009454c060 0000000000000080 ffff8800874efaf8 [ 7682.516796] Call Trace: [ 7682.516808] [<ffffffff8171a324>] dump_stack+0x45/0x56 [ 7682.516814] [<ffffffff810676bd>] warn_slowpath_common+0x7d/0xa0 [ 7682.516819] [<ffffffff8106779a>] warn_slowpath_null+0x1a/0x20 [ 7682.516846] [<ffffffffa0094f36>] drm_mode_set_config_internal+0xd6/0xe0 [drm] [ 7682.516860] [<ffffffffa00eff41>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper] [ 7682.516867] [<ffffffff813c77c1>] fb_set_var+0x191/0x430 [ 7682.516873] [<ffffffff810a2ce0>] ? update_curr+0x80/0x180 [ 7682.516880] [<ffffffff813d47a1>] fbcon_blank+0x1d1/0x2d0 [ 7682.516885] [<ffffffff8109814d>] ? ttwu_do_activate.constprop.74+0x5d/0x70 [ 7682.516892] [<ffffffff8145cdb8>] do_unblank_screen+0xb8/0x1f0 [ 7682.516897] [<ffffffff81452b1a>] complete_change_console+0x5a/0xe0 [ 7682.516901] [<ffffffff81453b4a>] vt_ioctl+0xfaa/0x11c0 [ 7682.516906] [<ffffffff811dc384>] ? mntput+0x24/0x40 [ 7682.516911] [<ffffffff8144758d>] tty_ioctl+0x26d/0xbb0 [ 7682.516918] [<ffffffff811cfa20>] do_vfs_ioctl+0x2e0/0x4c0 [ 7682.516921] [<ffffffff8109dd94>] ? vtime_account_user+0x54/0x60 [ 7682.516927] [<ffffffff811cfc81>] SyS_ioctl+0x81/0xa0 [ 7682.516932] [<ffffffff8172aeff>] tracesys+0xe1/0xe6 [ 7682.516935] ---[ end trace 54f89ecfaa291f44 ]--- lspci -v | grep VGA 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7500G] (prog-if 00 [VGA controller]) sudo lshw -c video *-display description: VGA compatible controller product: Trinity [Radeon HD 7500G] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 1 bus info: pci@0000:00:01.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:44 memory:c0000000-cfffffff ioport:f000(size=256) memory:feb00000-feb3ffff lsb_release -rd Description: Ubuntu 14.04 LTS Release: 14.04 --- ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: tomas 2276 F.... pulseaudio /dev/snd/pcmC1D0p: tomas 2276 F...m pulseaudio /dev/snd/controlC0: tomas 2276 F.... pulseaudio CurrentDesktop: GNOME DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=545231a6-176b-4042-a8df-ad34eee43ebe InstallationDate: Installed on 2014-05-08 (64 days ago) InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017) MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U3C Package: linux (not installed) ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=0155a3b6-1ea0-4daf-b2cd-595f2d16fdb3 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2 RelatedPackageVersions: linux-restricted-modules-3.13.0-30-generic N/A linux-backports-modules-3.13.0-30-generic N/A linux-firmware 1.127.4 Tags: trusty Uname: Linux 3.13.0-30-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-05-09 (64 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 04/11/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P07RAS.W73.130411.LEO dmi.board.asset.tag: No Asset Tag dmi.board.name: NP535U3C-A01EE dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SEC_SW_REVISION_1234567890ABCD dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07RAS.W73.130411.LEO:bd04/11/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U3C:pvrP07RAS:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP535U3C-A01EE:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.name: 535U3C dmi.product.version: P07RAS dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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