Hi. Am Samstag, 5. November 2016, 16:46:33 CET schrieb Linus Torvalds: > So it's once again a Saturday afternoon rather than Sunday, this time > because I felt this rc was already big enough. With kernel 4.9-rc4 I saw gfx corruptions like https://martin-steigerwald.de/tmp/display-issues-with-kernel-4.9-rc4.png in Konversation, Konsole, Akregator and other KDE/Qt related apps up to the point of not being able to use these applications in a meaningful way. I first thought this might be due to upgrading Qt from 5.6.1 to 5.7.1, yet after rebooting into 4.8 Linux kernel as packaged in Debian I saw no gfx glitches like that anymore. Anything known about this? Machine is ThinkPad T520 with Sandybridge graphics. Kernel compiled with Debian distro GCC 6 but using no-pie makefile patch. Next week and weekend will be pretty busy and this is a production machine, so bisection or any other time-consuming work on this is out of question for me. I can provide additional details in case they are easy and quick enough to obtain. System information (now back on 4.8 kernel): # phoronix-test-suite system-info Phoronix Test Suite v5.2.1 System Information Hardware: Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO 42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics: Intel 2nd Generation Core Family IGP, Audio: Conexant CX20590, Monitor: P24T-7 LED, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205 Software: OS: Debian unstable, Kernel: 4.8.0-1-amd64 (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 3.3 Mesa 12.0.3, Compiler: GCC 6.2.0 20161103, File-System: btrfs, Screen Resolution: 3840x1080 # apt-show-versions | egrep "(^libgl1-mesa-dri|^libdrm-intel1|xserver-xorg- core)" | grep amd64 libdrm-intel1:amd64/sid 2.4.71-1 uptodate libgl1-mesa-dri:amd64/sid 12.0.3-3 uptodate xserver-xorg-core:amd64/sid 2:1.18.4-2 uptodate Excerpt of glxinfo: Extended renderer info (GLX_MESA_query_renderer): Vendor: Intel Open Source Technology Center (0x8086) Device: Mesa DRI Intel(R) Sandybridge Mobile (0x126) Version: 12.0.3 Accelerated: yes Video memory: 1536MB Unified memory: yes Preferred profile: core (0x1) Max core profile version: 3.3 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.0 X.org runs with modesetting driver (default was changed in Debian Sid a while back). Thanks, _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
