Created attachment 115164 [details] dmesg I experience random lockups of the screen. The screen goes black then sometimes the image is back but frozen, sometimes it stays black. I can't do anything but a hard reset. It happens randomly when using KDE4 desktop and common applications (eclipse, firefox etc.). I did not notice any correlation with any particular usage pattern or application. I have DPM enabled. I attach the significant part of journaclt log recovered after reboot. Hardware: Mobility Radeon HD3470 (RV620) System: ArchLinux x86_64 Packages: linux 3.19.4 with ck patchset, xf86-video-ati 1:7.5.0, mesa 10.5.3
Same here, but i can swich to console (ctrl+alt+f1) and then reboot. Dmesg outputs: [ 359.941266] radeon 0000:00:01.0: No GEM object associated to handle 0x00000034, can't create framebuffer [ 360.393132] [drm:radeon_cs_parser_relocs [radeon]] *ERROR* gem object lookup failed 0x34 [ 360.393202] [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to parse relocation -2! lspci: 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7400G] glxinfo: OpenGL vendor string: X.Org OpenGL renderer string: Gallium 0.4 on AMD ARUBA OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.6.0-devel (git-d5a15a8 2015-04-24 trusty-oibaf-ppa) OpenGL core profile shading language version string: 3.30 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: OpenGL version string: 3.0 Mesa 10.6.0-devel (git-d5a15a8 2015-04-24 trusty-oibaf-ppa) OpenGL shading language version string: 1.30 OpenGL context flags: (none) OpenGL extensions: OpenGL ES profile version string: OpenGL ES 3.0 Mesa 10.6.0-devel (git-d5a15a8 2015-04-24 trusty-oibaf-ppa) OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00 uname: Linux sammie 4.0.0-040000-generic #201504121935 SMP Sun Apr 12 23:36:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux cpuinfo: processor : 1 vendor_id : AuthenticAMD cpu family : 21 model : 16 model name : AMD A4-4355M APU with Radeon(tm) HD Graphics stepping : 1 microcode : 0x6001116 cpu MHz : 900.000 cache size : 1024 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 1 apicid : 17 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core perfctr_nb arat cpb hw_pstate npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold vmmcall bmi1 bugs : fxsave_leak bogomips : 3793.10 TLB size : 1536 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro I'm on linux Mint 17. Best regards!
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