libreport version: 2.0.10 cmdline: BOOT_IMAGE=/boot/vmlinuz-3.4.9-2.fc16.x86_64 root=UUID=ce45cf29-7ba0-44d4-bfc4-edf9d031818e ro rd.md=0 rd.lvm=0 rd.dm=0 quiet SYSFONT=latarcyrheb-sun16 rhgb KEYTABLE=uk rd.luks=0 LANG=en_US.UTF-8 backtrace: :WARNING: at drivers/gpu/drm/i915/i915_drv.c:440 __gen6_gt_wait_for_fifo+0x9e/0xb0 [i915]() :Hardware name: 42844DG :Modules linked in: usb_storage tcp_lp fuse nfs fscache auth_rpcgss nfs_acl lockd rfcomm bnep nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 ip6table_filter nf_defrag_ipv4 ip6_tables xt_state nf_conntrack binfmt_misc sunrpc snd_hda_codec_conexant snd_hda_intel snd_hda_codec btusb bluetooth snd_hwdep arc4 snd_seq snd_seq_device tpm_tis i2c_i801 tpm snd_pcm iwlwifi uvcvideo videobuf2_core videodev media snd_timer snd_page_alloc videobuf2_vmalloc iTCO_wdt iTCO_vendor_support cdc_ncm usbnet mii coretemp mac80211 cfg80211 e1000e thinkpad_acpi tpm_bios videobuf2_memops cdc_wdm cdc_acm microcode snd rfkill soundcore joydev uinput crc32c_intel ghash_clmulni_intel hid_logitech_dj sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t nouveau ttm i915 drm_kms_helper drm i2c_algo_bit mxm_wmi i2c_core video wmi [last unloaded: scsi_wait_scan] :Pid: 1242, comm: Xorg Tainted: G W 3.4.9-2.fc16.x86_64 #1 :Call Trace: : [<ffffffff8105808f>] warn_slowpath_common+0x7f/0xc0 : [<ffffffff810580ea>] warn_slowpath_null+0x1a/0x20 : [<ffffffffa00d394e>] __gen6_gt_wait_for_fifo+0x9e/0xb0 [i915] : [<ffffffffa00d40a2>] i915_write32+0x82/0xe0 [i915] : [<ffffffffa0111951>] ring_write_tail+0x21/0x30 [i915] : [<ffffffffa011335f>] blt_ring_flush+0x9f/0xb0 [i915] : [<ffffffffa00ec586>] i915_gem_do_execbuffer+0x1446/0x1610 [i915] : [<ffffffffa00ecc4e>] i915_gem_execbuffer2+0xae/0x290 [i915] : [<ffffffffa002e3cc>] drm_ioctl+0x47c/0x540 [drm] : [<ffffffffa00ecba0>] ? i915_gem_execbuffer+0x450/0x450 [i915] : [<ffffffff811843d9>] ? do_readv_writev+0x189/0x1d0 : [<ffffffff81195318>] do_vfs_ioctl+0x98/0x550 : [<ffffffff81195861>] sys_ioctl+0x91/0xa0 : [<ffffffff81605d69>] system_call_fastpath+0x16/0x1b
*** Bug 854378 has been marked as a duplicate of this bug. ***
Also happens if Xorg is not tainted. from my machine: [25655.634531] WARNING: at drivers/gpu/drm/i915/i915_drv.c:527 __gen6_gt_wait_for_fifo+0x89/0x90 [i915]() ... [25655.634571] Pid: 945, comm: Xorg Not tainted 3.5.4-1.fc17.x86_64 #1 [25655.634572] Call Trace: [25655.634578] [<ffffffff8105867f>] warn_slowpath_common+0x7f/0xc0 [25655.634581] [<ffffffff810586da>] warn_slowpath_null+0x1a/0x20 [25655.634603] [<ffffffffa006fa19>] __gen6_gt_wait_for_fifo+0x89/0x90 [i915] ...
*** This bug has been marked as a duplicate of bug 772364 ***