My notebook Samsung NP700G7A-S01PL was working stable for more than 2 years. I was using 3.11, 3.17, 3.18, 3.19 (since rc1) and many more successfully. First hang has happened on 2015-02-08 (23:30) with 3.19-rc5 I was using for 3 weeks. So what I'm seeing are two possibly related problems: 1) Random hangs I don't have to be doing anything unusual. A single display, no UVD, just writing some code in kate. And then it randomly happens. My screen goes all white or green vertical lines or blue vertical lines. I can't use/access my machine, sound goes into a loop (last second). Sometimes it happens after hours, sometimes 30 minutes, sometimes few minutes. So far I got 5-7 hangs like this. 2) Init problems Unfortunately rebooting does not always help. Even cold boot (removing power & battery, keeping power button pressed for few seconds) isn't helpful. a) First I get UVD init errors: *ERROR* UVD not responding, trying to reset the VCPU!!! b) Then machine hangs after displaying "pitch is 7680" I've tracked it to be somewhere near register_framebuffer (see attached bad.txt) As long as I don't use radeon (booting with "nomodeset") it works stable. I tested my RAM with MemTest86 (one pass, took 1 hour), no errors, CPU temperature didn't exceed 70 degrees. This evening as the last hope I installed fglrx. It hangs my machine as well with following messages: [ 36.472526] console [netcon0] enabled [ 36.473106] netconsole: network logging started [ 48.192215] fglrx_pci 0000:01:00.0: irq 56 for MSI/MSI-X [ 48.192726] <6>[fglrx] Firegl kernel thread PID: 1481 [ 48.192833] <6>[fglrx] Firegl kernel thread PID: 1482 [ 48.192954] <6>[fglrx] Firegl kernel thread PID: 1483 [ 48.193077] <6>[fglrx] IRQ 56 Enabled [ 48.240118] <6>[fglrx] Reserved FB block: Shared offset:0, size:1000000 [ 48.240122] <6>[fglrx] Reserved FB block: Unshared offset:3fab4000, size:4000 [ 48.240124] <6>[fglrx] Reserved FB block: Unshared offset:3fab8000, size:548000 [ 48.240126] <6>[fglrx] Reserved FB block: Unshared offset:7fff3000, size:d000 However if I drop fglrx.ko and just use Xorg driver fglrx_drv.so it works stable. Any ideas? Is GPU on my motherboard just dying? :| -- Rafał
[ 35.114273] [drm] radeon kernel modesetting enabled. [ 35.114709] [drm] initializing kernel modesetting (BARTS 0x1002:0x6720 0x144D:0xC0AD). [ 35.114871] [drm] register mmio base: 0xF7E20000 [ 35.115012] [drm] register mmio size: 131072 [ 35.115195] ATOM BIOS: Samsung [ 35.115465] radeon 0000:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used) [ 35.115693] radeon 0000:01:00.0: GTT: 1024M 0x0000000080000000 - 0x00000000BFFFFFFF [ 35.115908] [drm] Detected VRAM RAM=2048M, BAR=1024M [ 35.116043] [drm] RAM width 256bits DDR [ 35.116262] [TTM] Zone kernel: Available graphics memory: 4079754 kiB [ 35.116406] [TTM] Zone dma32: Available graphics memory: 2097152 kiB [ 35.116542] [TTM] Initializing pool allocator [ 35.116693] [TTM] Initializing DMA pool allocator [ 35.116845] [drm] radeon: 2048M of VRAM memory ready [ 35.116987] [drm] radeon: 1024M of GTT memory ready. [ 35.117134] [drm] Loading BARTS Microcode [ 35.197992] [drm] Internal thermal controller with fan control [ 35.198758] [drm] radeon: power management initialized [ 35.206487] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 35.207542] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [ 35.213991] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000). [ 35.214171] radeon 0000:01:00.0: WB enabled [ 35.214254] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff88026ad30c00 [ 35.214364] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff88026ad30c0c [ 35.214892] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xffffc90007a32118 [ 35.215003] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 35.215083] [drm] Driver supports precise vblank timestamp query. [ 35.215163] radeon 0000:01:00.0: radeon: MSI limited to 32-bit [ 35.215281] radeon 0000:01:00.0: radeon: using MSI. [ 35.215382] [drm] radeon: irq initialized. [ 35.232059] [drm] ring test on 0 succeeded in 1 usecs [ 35.232145] [drm] ring test on 3 succeeded in 2 usecs [ 36.423302] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 37.447064] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 38.143477] nf_conntrack: automatic helper assignment is deprecated and it will be removed soon. Use the iptables CT target to attach helpers instead. [ 38.470826] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 39.494585] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 40.518338] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 41.542094] [drm:uvd_v1_0_start [radeon]] * ERROR* UVD not responding, trying to reset the VCPU!!! [ 42.565857] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 43.589615] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 44.613374] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 45.637128] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the VCPU!!! [ 45.657321] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, giving up!!! [ 45.657481] [drm:evergreen_startup [radeon]] *ERROR* radeon: error initializing UVD (-1). [ 45.657886] [drm] ib test on ring 0 succeeded in 0 usecs [ 45.657986] [drm] ib test on ring 3 succeeded in 0 usecs [ 45.660001] [drm] radeon atom DIG backlight initialized [ 45.660086] [drm] Radeon Display Connectors [ 45.660165] [drm] Connector 0: [ 45.660242] [drm] eDP-1 [ 45.660321] [drm] HPD2 [ 45.660399] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 45.660510] [drm] Encoders: [ 45.660594] [drm] LCD1: INTERNAL_UNIPHY1 [ 45.660674] [drm] Connector 1: [ 45.660760] [drm] DP-1 [ 45.660839] [drm] HPD3 [ 45.660920] [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c [ 45.661027] [drm] Encoders: [ 45.661104] [drm] DFP1: INTERNAL_UNIPHY2 [ 45.661182] [drm] Connector 2: [ 45.661258] [drm] HDMI-A-1 [ 45.661340] [drm] HPD1 [ 45.661416] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 45.661526] [drm] Encoders: [ 45.661612] [drm] DFP2: INTERNAL_UNIPHY2 [ 45.661696] [drm] Connector 3: [ 45.661778] [drm] VGA-1 [ 45.661859] [drm] DDC: 0x64d8 0x64d8 0x64dc 0x64dc 0x64e0 0x64e0 0x64e4 0x64e4 [ 45.661970] [drm] Encoders: [ 45.662048] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 47.260949] [drm] fb mappable at 0x80475000 [ 47.261041] [drm] vram apper at 0x80000000 [ 47.261130] [drm] size 8294400 [ 47.261209] [drm] fb depth is 24 [ 47.261294] [drm] pitch is 7680 [ 47.261376] [drm_fb_helper_single_fb_probe:1050] calling register_framebuffer [ 47.261601] [do_register_framebuffer:1678] calling console_lock
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