<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - stuck on render ring; GPU HANG: ecode 9:0:0x86dffffd, in Xorg [9455], reason: Ring hung, action: reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=96965#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - stuck on render ring; GPU HANG: ecode 9:0:0x86dffffd, in Xorg [9455], reason: Ring hung, action: reset" href="https://bugs.freedesktop.org/show_bug.cgi?id=96965">bug 96965</a> from <a class="email" href="mailto:grin@grin.hu" title="Peter Gervai <grin@grin.hu>"> Peter Gervai</a> <pre>As a sidenote: plenty of ugly stuff is happening all the time, like the following. The Net Wisdom says !wm_changed is harmless, but ugly nevertheless. Resetting usually works, but hangs the machine for 2-5 seconds. [233977.486646] ------------[ cut here ]------------ [233977.486661] WARNING: CPU: 1 PID: 9455 at drivers/gpu/drm/i915/intel_pm.c:3586 skl_update_other_pipe_wm+0x406/0x420 [i915] [233977.486662] WARN_ON(!wm_changed) [233977.486663] Modules linked in: [233977.486664] nfnetlink_log cfg80211 zfs(POE) zunicode(POE) zcommon(POE) znvpair(POE) spl(OE) zavl(POE) cpuid xt_NFQUEUE nft_queue nf_tables nfnetlink_queu [233977.486689] snd_hda_codec_hdmi snd_seq_device asus_wmi mxm_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_ [233977.486709] xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack nf_log_ipv4 nf_log_common xt_LOG xt_limit iptable_filter ip_tables x_tab [233977.486720] CPU: 1 PID: 9455 Comm: Xorg Tainted: P U W OE 4.6.4-xanmod6 #1 [233977.486721] Hardware name: System manufacturer System Product Name/B150-PRO, BIOS 0604 11/19/2015 [233977.486722] 0000000000000286 000000001c661fb1 ffff880823037978 ffffffff814dac24 [233977.486723] ffffffffc0741f58 ffffffffc0648a06 ffff8808230379f8 ffffffff81097221 [233977.486724] ffffffffc07582b1 ffff880100000020 ffff880823037a08 ffff8808230379b0 [233977.486725] Call Trace: [233977.486728] [<ffffffff814dac24>] dump_stack+0x63/0x8f [233977.486737] [<ffffffffc0648a06>] ? skl_update_other_pipe_wm+0x406/0x420 [i915] [233977.486739] [<ffffffff81097221>] warn_slowpath_fmt+0xc1/0x160 [233977.486746] [<ffffffffc0648a06>] skl_update_other_pipe_wm+0x406/0x420 [i915] [233977.486753] [<ffffffffc0648e20>] skl_update_wm+0x400/0x980 [i915] [233977.486763] [<ffffffffc06a7a0e>] ? gen9_write32+0x29e/0x4b0 [i915] [233977.486770] [<ffffffffc064df6e>] intel_update_watermarks+0x1e/0x20 [i915] [233977.486781] [<ffffffffc06d0451>] haswell_crtc_enable+0x311/0xa30 [i915] [233977.486791] [<ffffffffc06cc5ea>] intel_atomic_commit+0x7fa/0x1a60 [i915] [233977.486818] [<ffffffffc059fd6f>] ? drm_atomic_check_only+0x18f/0x600 [drm] [233977.486824] [<ffffffffc05a0217>] drm_atomic_commit+0x37/0x60 [drm] [233977.486829] [<ffffffffc0608c6d>] drm_atomic_helper_connector_dpms+0xed/0x1a0 [drm_kms_helper] [233977.486835] [<ffffffffc058f014>] drm_mode_connector_property_set_ioctl+0x394/0x3b0 [drm] [233977.486840] [<ffffffffc0578812>] drm_ioctl+0x152/0x540 [drm] [233977.486846] [<ffffffffc058ec80>] ? drm_property_change_valid_put+0x180/0x180 [drm] [233977.486848] [<ffffffff812c2853>] do_vfs_ioctl+0xa3/0x610 [233977.486849] [<ffffffff8104451d>] ? fpu__restore_sig+0x2d/0x40 [233977.486850] [<ffffffff810354f0>] ? restore_sigcontext+0x140/0x1a0 [233977.486851] [<ffffffff8103591f>] ? sys_rt_sigreturn+0xef/0x190 [233977.486852] [<ffffffff812c2e39>] SyS_ioctl+0x79/0x90 [233977.486853] [<ffffffff81a32776>] entry_SYSCALL_64_fastpath+0x1e/0xa8 [233977.486854] ---[ end trace d8d901b5e0b86a8a ]---</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>