<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - System hangs for seconds repeatedly and sometimes crashes" href="https://bugs.freedesktop.org/show_bug.cgi?id=94101#c9">Comment # 9</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - System hangs for seconds repeatedly and sometimes crashes" href="https://bugs.freedesktop.org/show_bug.cgi?id=94101">bug 94101</a> from <a class="email" href="mailto:daniel.rowe@fathom13.com" title="Daniel Rowe <daniel.rowe@fathom13.com>"> Daniel Rowe</a> <pre>I am also seeing this on Fedora 23 on same hardware. I am seeing this on kernel 4.4.9 and testing kernel 4.5.5. Also using DP and have a 4K monitor attached. drm] stuck on render ring [ 174.864441] [drm] GPU HANG: ecode 9:0:0x87f99ff9, in gnome-shell [1856], reason: Ring hung, action: reset [ 174.864445] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 174.864447] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 174.864449] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 174.864451] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 174.864453] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 174.864503] ------------[ cut here ]------------ [ 174.864587] WARNING: CPU: 2 PID: 1092 at drivers/gpu/drm/i915/intel_display.c:11440 intel_mmio_flip_work_func+0x456/0x460 [i915]() [ 174.864593] WARN_ON(__i915_wait_request(mmio_flip->req, mmio_flip->crtc->reset_counter, false, NULL, &mmio_flip->i915->rps.mmioflips)) [ 174.864599] Modules linked in: [ 174.864603] rfcomm fuse cmac xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge ebtable_nat ebtable_filter ebtables ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_raw bnep snd_hda_codec_hdmi arc4 snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_hda_codec_realtek snd_soc_sst_match snd_hda_codec_generic snd_soc_core intel_rapl snd_compress x86_pkg_temp_thermal coretemp snd_pcm_dmaengine [ 174.864672] ac97_bus kvm_intel snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep kvm snd_seq iwlmvm irqbypass crct10dif_pclmul crc32_pclmul snd_seq_device snd_pcm mac80211 ghash_clmulni_intel vfat fat iwlwifi joydev hci_uart btqca btusb cfg80211 btrtl btbcm btintel bluetooth snd_timer snd soundcore mei_me i2c_i801 idma64 ir_lirc_codec lirc_dev mei intel_lpss_pci shpchp rfkill rc_rc6_mce ite_cir pinctrl_sunrisepoint rc_core intel_lpss_acpi pinctrl_intel intel_lpss acpi_pad acpi_als tpm_tis kfifo_buf industrialio tpm nfsd auth_rpcgss nfs_acl lockd grace sunrpc 8021q garp stp llc mrp btrfs xor raid6_pq i915 i2c_algo_bit drm_kms_helper e1000e crc32c_intel drm sdhci_pci sdhci mmc_core ptp nvme pps_core video i2c_hid fjes [ 174.864769] CPU: 2 PID: 1092 Comm: kworker/2:3 Not tainted 4.5.5-201.fc23.x86_64 #1 [ 174.864772] Hardware name: /NUC6i5SYB, BIOS SYSKLi35.86A.0044.2016.0512.1734 05/12/2016 [ 174.864837] Workqueue: events intel_mmio_flip_work_func [i915] [ 174.864842] 0000000000000286 000000000c1634c0 ffff880262993d18 ffffffff813d08de [ 174.864849] ffff880262993d60 ffffffffa024de60 ffff880262993d50 ffffffff810a5e22 [ 174.864856] ffff880232ac5f40 ffff88027ed165c0 ffff880272cd8480 0000000000000080 [ 174.864862] Call Trace: [ 174.864872] [<ffffffff813d08de>] dump_stack+0x63/0x85 [ 174.864881] [<ffffffff810a5e22>] warn_slowpath_common+0x82/0xc0 [ 174.864887] [<ffffffff810a5ebc>] warn_slowpath_fmt+0x5c/0x80 [ 174.864947] [<ffffffffa01e5706>] intel_mmio_flip_work_func+0x456/0x460 [i915] [ 174.864955] [<ffffffff810be5ec>] process_one_work+0x15c/0x430 [ 174.864962] [<ffffffff810be90e>] worker_thread+0x4e/0x480 [ 174.864969] [<ffffffff817c488c>] ? __schedule+0x3ac/0xa00 [ 174.864975] [<ffffffff810be8c0>] ? process_one_work+0x430/0x430 [ 174.864981] [<ffffffff810be8c0>] ? process_one_work+0x430/0x430 [ 174.864987] [<ffffffff810c4728>] kthread+0xd8/0xf0 [ 174.864993] [<ffffffff810c4650>] ? kthread_worker_fn+0x170/0x170 [ 174.865000] [<ffffffff817c944f>] ret_from_fork+0x3f/0x70 [ 174.865005] [<ffffffff810c4650>] ? kthread_worker_fn+0x170/0x170 [ 174.865021] ---[ end trace 14670e0083b39c47 ]--- [ 174.867526] drm/i915: Resetting chip after gpu hang [ 176.868354] [drm] RC6 on</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>