During video playback the driver crashes but since some versions it recovers without any bad behaviour. [52307.300133] ------------[ cut here ]------------ [52307.300280] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:9717 intel_check_page_flip+0xdb/0xf0 [i915]() [52307.300287] Kicking stuck page flip: queued at 3151075, now 3151081 [52307.300291] Modules linked in: rfcomm fuse ccm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep arc4 ath9k ath9k_common ath9k_hw snd_hda_codec_conexant snd_hda_codec_generic snd_hda_intel ath snd_hda_controller mac80211 snd_hda_codec iTCO_wdt snd_hwdep iTCO_vendor_support snd_seq snd_seq_device ath3k coretemp snd_pcm btusb cfg80211 bluetooth kvm_intel uvcvideo kvm videobuf2_vmalloc [52307.300388] videobuf2_core videobuf2_memops crc32c_intel v4l2_common videodev media snd_timer serio_raw rfkill i2c_i801 mei_me snd mei shpchp lpc_ich intel_ips mfd_core wmi soundcore acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc ums_realtek uas usb_storage i915 i2c_algo_bit drm_kms_helper broadcom drm tg3 ptp pps_core video [52307.300466] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G U 3.19.5-200.fc21.x86_64 #1 [52307.300473] Hardware name: Acer TravelMate 8172/TravelMate 8172, BIOS V1.14 12/17/2010 [52307.300479] 0000000000000000 1ba2138f60d06c34 ffff88023bc03d08 ffffffff8176ead5 [52307.300491] 0000000000000000 ffff88023bc03d60 ffff88023bc03d48 ffffffff8109bc1a [52307.300502] ffff88023bc03d48 ffff880230359000 ffff8802302cd000 0000000000000000 [52307.300514] Call Trace: [52307.300521] <IRQ> [<ffffffff8176ead5>] dump_stack+0x45/0x57 [52307.300550] [<ffffffff8109bc1a>] warn_slowpath_common+0x8a/0xc0 [52307.300563] [<ffffffff8109bca5>] warn_slowpath_fmt+0x55/0x70 [52307.300635] [<ffffffffa014035b>] intel_check_page_flip+0xdb/0xf0 [i915] [52307.300692] [<ffffffffa010d7e5>] ironlake_irq_handler+0x415/0xfd0 [i915] [52307.300705] [<ffffffff810d7bd0>] ? rebalance_domains+0x100/0x290 [52307.300718] [<ffffffff810f29f7>] handle_irq_event_percpu+0x77/0x1a0 [52307.300726] [<ffffffff810f2b5b>] handle_irq_event+0x3b/0x60 [52307.300734] [<ffffffff810f5d1e>] handle_edge_irq+0x6e/0x120 [52307.300749] [<ffffffff81017414>] handle_irq+0x74/0x140 [52307.300761] [<ffffffff810bb54a>] ? atomic_notifier_call_chain+0x1a/0x20 [52307.300768] [<ffffffff8177803f>] do_IRQ+0x4f/0xf0 [52307.300774] [<ffffffff81775e2d>] common_interrupt+0x6d/0x6d [52307.300776] <EOI> [<ffffffff8160a3d3>] ? cpuidle_enter_state+0x63/0x160 [52307.300796] [<ffffffff8160a3c1>] ? cpuidle_enter_state+0x51/0x160 [52307.300804] [<ffffffff8160a5b7>] cpuidle_enter+0x17/0x20 [52307.300812] [<ffffffff810de121>] cpu_startup_entry+0x321/0x3c0 [52307.300823] [<ffffffff81764d47>] rest_init+0x77/0x80 [52307.300834] [<ffffffff81d4f02c>] start_kernel+0x4a4/0x4c5 [52307.300842] [<ffffffff81d4e120>] ? early_idt_handlers+0x120/0x120 [52307.300849] [<ffffffff81d4e4d7>] x86_64_start_reservations+0x2a/0x2c [52307.300856] [<ffffffff81d4e62b>] x86_64_start_kernel+0x152/0x175 [52307.300863] ---[ end trace 721378cf12dccf39 ]---
Please add drm.debug=0xe to your kernel command line and attach full dmesg.
*** This bug has been marked as a duplicate of bug 90313 ***
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