Hello, On Wed, 2011-05-18 at 11:22 -0500, Michael Larabel wrote: > Try booting the latest kernel with "i915.semaphores=1" and it should be > fixed, at least for my SNB hardware. When I had it auto-bisected it came > down to this commit 087fbc9962e10a65fb0b542ecfc116ebf6cf1735 that > disabled semaphores. I confirm that it is working fine when enabling semaphore. Thanks a lot for the workaround, it is a pleasure to have a real laptop again ;) Good luck for the bisect. BR, > > -- Michael Larabel > > On 05/17/2011 07:06 AM, Eric Leblond wrote: > > Hello, > > > > When running the 2.6.39-rc7, I've observed a problem on my laptop (DELL > > XPS15) which uses the i915 driver. Frequently, when moving the mouse > > over, the cursor does only trigger the modification on the desktop after > > a few seconds (like icons > > highligthing). When this occurs, the following message appear in the > > kernel log at the moment when the waited action occurs: > > > > [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 905, at 905], missed IRQ? > > > > Switching back to 2.6.39-rc6 fixes the issue. > > > > It runs gnome 3 which uses glx to add some effect. Maybe this is linked. > > When using the simple twm window manager, the problem does not seem to > > occur. > > > > Keywords: drm, i915 > > Kernel version: Linux version 2.6.39-rc7+ (eric@tiger) (gcc version 4.6.1 20110507 (prerelease) (Debian 4.6.0-7) ) #3 SMP Sun May 15 11:31:14 CEST 2011 > > Processor: Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz > > > > Kernel log for i915: > > May 17 13:30:36 tiger kernel: [ 15.458754] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > > May 17 13:30:36 tiger kernel: [ 15.458760] i915 0000:00:02.0: setting latency timer to 64 > > May 17 13:30:36 tiger kernel: [ 15.513847] i915 0000:00:02.0: irq 52 for MSI/MSI-X > > May 17 13:30:36 tiger kernel: [ 16.011208] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 > > May 17 13:31:12 tiger kernel: [ 59.343937] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 905, at 905], missed IRQ? > > May 17 13:31:17 tiger kernel: [ 63.998439] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 947, at 947], missed IRQ? > > May 17 13:32:27 tiger kernel: [ 134.591975] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 49015, at 49015], missed IRQ? > > May 17 13:32:29 tiger kernel: [ 136.127493] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring idle [waiting on 49154, at 49154], missed IRQ? > > > > lspci -vvvv for i915: > > 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) > > Subsystem: Dell Device 04b6 > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ > > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast>TAbort-<TAbort-<MAbort->SERR-<PERR- INTx- > > Latency: 0 > > Interrupt: pin A routed to IRQ 52 > > Region 0: Memory at f1400000 (64-bit, non-prefetchable) [size=4M] > > Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M] > > Region 4: I/O ports at 4000 [size=64] > > Expansion ROM at<unassigned> [disabled] > > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > > Address: fee0300c Data: 41c9 > > Capabilities: [d0] Power Management version 2 > > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) > > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > > Capabilities: [a4] PCI Advanced Features > > AFCap: TP+ FLR+ > > AFCtrl: FLR- > > AFStatus: TP- > > Kernel driver in use: i915 > > > > lspci: > > 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) > > 00:01.0 PCI bridge: Intel Corporation 2nd Generation Core Processor Family PCI Express Root Port (rev 09) > > 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) > > 00:16.0 Communication controller: Intel Corporation 6 Series Chipset Family MEI Controller #1 (rev 04) > > 00:1a.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) > > 00:1b.0 Audio device: Intel Corporation 6 Series Chipset Family High Definition Audio Controller (rev 05) > > 00:1c.0 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 1 (rev b5) > > 00:1c.1 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 2 (rev b5) > > 00:1c.3 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 4 (rev b5) > > 00:1c.4 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 5 (rev b5) > > 00:1c.5 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 6 (rev b5) > > 00:1d.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) > > 00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC Controller (rev 05) > > 00:1f.2 SATA controller: Intel Corporation 6 Series Chipset Family 6 port SATA AHCI Controller (rev 05) > > 00:1f.3 SMBus: Intel Corporation 6 Series Chipset Family SMBus Controller (rev 05) > > 01:00.0 VGA compatible controller: nVidia Corporation Device 0df5 (rev a1) > > 03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 > > 04:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) > > 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06) > > > > ver_linux output: > > Linux tiger 2.6.39-rc7+ #3 SMP Sun May 15 11:31:14 CEST 2011 x86_64 GNU/Linux > > > > Gnu C 4.6.1 > > Gnu make 3.81 > > binutils 2.21.51.20110421 > > util-linux 2.17.2 > > mount support > > module-init-tools 3.12 > > e2fsprogs 1.41.12 > > pcmciautils 018 > > PPP 2.4.5 > > Linux C Library 2.13 > > Dynamic linker (ldd) 2.13 > > Procps 3.2.8 > > Net-tools 1.60 > > Kbd 1.15.2 > > Sh-utils 8.5 > > wireless-tools 30 > > Modules Loaded parport_pc ppdev lp parport bluetooth acpi_cpufreq mperf cpufreq_stats cpufreq_conservative cpufreq_userspace cpufreq_powersave vboxnetadp binfmt_misc vboxnetflt vboxdrv uinput fuse ip6t_LOG nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipt_LOG xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables ext2 nouveau ttm loop snd_hda_codec_hdmi snd_hda_codec_realtek uvcvideo videodev v4l2_compat_ioctl32 joydev arc4 ecb snd_hda_intel iwlagn snd_hda_codec i915 snd_hwdep snd_pcm drm_kms_helper mac80211 snd_seq snd_timer snd_seq_device drm snd cfg80211 dell_wmi soundcore dell_laptop psmouse sparse_keymap processor battery ac i2c_algo_bit i2c_i801 rfkill snd_page_alloc i2c_core video button dcdbas power_supply pcspkr wmi evdev serio_raw ext3 jbd mbcache sha256_generic cryptd aes_x86_64 aes_generic cbc dm_crypt dm_mod sg usbhid usb_storage hid sd_mod sr_mod uas cdrom crc_t10dif xhci_hcd ahci libahci liba ta s > > > > csi_mod r8169 ehci_hcd thermal thermal_sys usbcore mii > > > > BR, > > -- > > Eric Leblond > > > > _______________________________________________ > > dri-devel mailing list > > dri-devel@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/dri-devel > > > > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel