On Mon, Mar 24, 2014 at 02:17:29PM +0100, Krzysztof Halasa wrote: > I have a case of Xserver crashing. I believe it's related to a > touchscreen.
is this easily reproducible? if so, please file a bug for it, assign it to me. record your device with evemu-record and attach a recording that crashed the server. This may be triggered by the device in question here. Cheers, Peter > This is Arch Linux, x86-64, using xorg-server 1.15.0-5 and > xf86-input-evdev 2.8.2-2. Getac V100-X laptop, Intel(R) Core(TM) i7 CPU > U 640 @ 1.20GHz, Intel HD graphics. > > (II) Using input driver 'evdev' for 'IDEACOM IDC 6650' > (**) IDEACOM IDC 6650: always reports core events > (**) evdev: IDEACOM IDC 6650: Device: "/dev/input/event11" > (II) evdev: IDEACOM IDC 6650: Using mtdev for this device > (--) evdev: IDEACOM IDC 6650: Vendor 0x1cb6 Product 0x6650 > (--) evdev: IDEACOM IDC 6650: Found absolute axes > (--) evdev: IDEACOM IDC 6650: Found absolute multitouch axes > (II) evdev: IDEACOM IDC 6650: No buttons found, faking one. > (--) evdev: IDEACOM IDC 6650: Found x and y absolute axes > (--) evdev: IDEACOM IDC 6650: Found absolute touchscreen > (II) evdev: IDEACOM IDC 6650: Configuring as touchscreen > (**) evdev: IDEACOM IDC 6650: YAxisMapping: buttons 4 and 5 > (**) evdev: IDEACOM IDC 6650: EmulateWheelButton: 4, > EmulateWheelInertia: 10, EmulateWheelTimeout: 200 > (**) Option "config_info" > "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4.2/2-1.4.2:1.0/input/input18/event11" > (II) XINPUT: Adding extended input device "IDEACOM IDC 6650" (type: > TOUCHSCREEN, id 10) > (II) evdev: IDEACOM IDC 6650: initialized for absolute axes. > (**) IDEACOM IDC 6650: (accel) keeping acceleration scheme 1 > (**) IDEACOM IDC 6650: (accel) acceleration profile 0 > (**) IDEACOM IDC 6650: (accel) acceleration factor: 2.000 > (**) IDEACOM IDC 6650: (accel) acceleration threshold: 4 > > (EE) Backtrace: > (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x584ae8] > (EE) 1: /usr/bin/X (0x400000+0x1887c9) [0x5887c9] > (EE) 2: /usr/lib/libpthread.so.0 (0x7f2ebde08000+0xf880) [0x7f2ebde17880] > (EE) 3: /usr/bin/X (miPointerSetPosition+0x9e) [0x570dae] > (EE) 4: /usr/bin/X (0x400000+0x4ac3e) [0x44ac3e] > (EE) 5: /usr/bin/X (0x400000+0x4d328) [0x44d328] > (EE) 6: /usr/bin/X (0x400000+0x4d541) [0x44d541] > (EE) 7: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f2eb4ff7000+0x551b) > [0x7f2eb4ffc51b] > (EE) 8: /usr/bin/X (0x400000+0x72f68) [0x472f68] > (EE) 9: /usr/bin/X (0x400000+0x9b530) [0x49b530] > (EE) 10: /usr/lib/libpthread.so.0 (0x7f2ebde08000+0xf880) [0x7f2ebde17880] > (EE) 11: /usr/bin/X (0x400000+0x1746e0) [0x5746e0] > (EE) 12: /usr/bin/X (0x400000+0x16fcf9) [0x56fcf9] > (EE) 13: /usr/bin/X (0x400000+0x2e21a) [0x42e21a] > (EE) 14: /usr/bin/X (0x400000+0x451cb) [0x4451cb] > (EE) 15: /usr/bin/X (0x400000+0x4055c) [0x44055c] > (EE) 16: /usr/bin/X (0x400000+0x11f5db) [0x51f5db] > (EE) 17: /usr/bin/X (0x400000+0x35d1e) [0x435d1e] > (EE) 18: /usr/bin/X (0x400000+0x39b2a) [0x439b2a] > (EE) 19: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7f2ebca7fb05] > (EE) 20: /usr/bin/X (0x400000+0x250ce) [0x4250ce] > (EE) > (EE) Segmentation fault at address 0x0 > > Another case: > (EE) Backtrace: > (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x584ae8] > (EE) 1: /usr/bin/X (0x400000+0x1887c9) [0x5887c9] > (EE) 2: /usr/lib/libpthread.so.0 (0x7fba157df000+0xf880) [0x7fba157ee880] > (EE) 3: /usr/bin/X (0x400000+0x4cf62) [0x44cf62] > (EE) 4: /usr/bin/X (0x400000+0x4d541) [0x44d541] > (EE) 5: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fba0c9ce000+0x551b) > [0x7fba0c9d351b] > 5516: callq 3070 <xf86PostTouchEvent@plt> > > (EE) 6: /usr/bin/X (0x400000+0x72f68) [0x472f68] > (EE) 7: /usr/bin/X (0x400000+0x9b530) [0x49b530] > (EE) 8: /usr/lib/libpthread.so.0 (0x7fba157df000+0xf880) [0x7fba157ee880] > (EE) 9: /usr/bin/X (0x400000+0x3f52a) [0x43f52a] > (EE) 10: /usr/bin/X (0x400000+0x2e233) [0x42e233] > (EE) 11: /usr/bin/X (0x400000+0x451cb) [0x4451cb] > (EE) 12: /usr/bin/X (0x400000+0x4055c) [0x44055c] > (EE) 13: /usr/bin/X (0x400000+0x11f5db) [0x51f5db] > (EE) 14: /usr/bin/X (0x400000+0x35d1e) [0x435d1e] > (EE) 15: /usr/bin/X (0x400000+0x39b2a) [0x439b2a] > (EE) 16: /usr/lib/libc.so.6 (__libc_start_main+0xf5) [0x7fba14456b05] > (EE) 17: /usr/bin/X (0x400000+0x250ce) [0x4250ce] > (EE) > (EE) Segmentation fault at address 0x0 > > This 3rd address is dix/getevents.c:GetTouchEvents(): > 44cf4e: mov 0x148(%rsi),%rax # dev->spriteInfo > 44cf55: mov %r8d,0x24(%rsp) > 44cf5a: mov %r9,0x18(%rsp) > 44cf5f: mov (%rax),%rax # dev->spriteInfo->sprite > 44cf62: mov 0x48(%rax),%rax # dev->spriteInfo->sprite->hotPhys.pScreen <<< > FAILS > > This means dev->spriteInfo->sprite is NULL. > > This happened which using the touchscreen. I assume it's not a common > occurrence because touchscreens aren't that common on laptops. > Nothing spectacular in other logs. > > Any ideas? _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
