[Bug 83423] [gen4] GPU HANG: ecode 0:0x9f47f9fd, in chrome [1294], reason: Ring hung

Sat Sep 20 22:43:26 PDT 2014

https://bugs.freedesktop.org/show_bug.cgi?id=83423

--- Comment #2 from Steven Ellis <sellis at redhat.com> ---
I've got the same issue occurring under Fedora 20 on a Macbook with intel
graphics.

Sep 21 17:31:42 macdora kernel: [drm] stuck on render ring
Sep 21 17:31:42 macdora kernel: [drm] GPU HANG: ecode 0:0x9f47f9fd, in chrome
[3036], reason: Ring hung, action: reset
Sep 21 17:31:42 macdora kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Sep 21 17:31:42 macdora kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Sep 21 17:31:42 macdora kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Sep 21 17:31:42 macdora kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Sep 21 17:31:42 macdora kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Sep 21 17:31:43 macdora kernel: [drm:i915_reset] *ERROR* Failed to reset chip:
-110
Sep 21 17:31:47 macdora kernel: Watchdog[3043]: segfault at 0 ip
00007f59e58239de sp 00007f59cd944670 error 6 in chrome[7f59e16cd000+547d000]
Sep 21 17:31:52 macdora kernel: [drm:i915_gem_wait_for_error] *ERROR* Timed out
waiting for the gpu reset to complete
Sep 21 17:31:52 macdora kernel: [drm] GMBUS [i915 gmbus vga] timed out, falling
back to bit banging on pin 2
Sep 21 17:31:52 macdora kernel: ------------[ cut here ]------------
Sep 21 17:31:52 macdora kernel: WARNING: CPU: 1 PID: 1833 at
drivers/gpu/drm/i915/intel_display.c:931 assert_pll+0x68/0x70 [i915]()
Sep 21 17:31:52 macdora kernel: PLL state assertion failure (expected on,
current off)
Sep 21 17:31:52 macdora kernel: Modules linked in: tcp_lp fuse ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun bridge stp llc
ebtable_nat ebtables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6
ip6table_filter xt_physdev ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4
xt_conntrack nf_conntrack wl(POE) cfg80211 snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep
snd_seq snd_seq_device iTCO_wdt iTCO_vendor_support joydev snd_pcm appletouch
hid_appleir coretemp applesmc input_polldev snd_timer microcode i2c_i801 rfkill
sky2 snd shpchp lpc_ich mfd_core sbs acpi_cpufreq sbshc soundcore apple_bl
binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc firewire_ohci i915
firewire_core i2c_algo_bit crc_itu_t drm_kms_helper ata_generic pata_acpi drm
i2c_core video
Sep 21 17:31:52 macdora kernel: 
Sep 21 17:31:52 macdora kernel: CPU: 1 PID: 1833 Comm: upowerd Tainted: P      
 W  OE 3.15.10-201.fc20.x86_64 #1
Sep 21 17:31:52 macdora kernel: Hardware name: Apple Inc.
MacBook4,1/Mac-F22788A9, BIOS     MB41.88Z.00C1.B00.0802091535 02/09/08
Sep 21 17:31:52 macdora kernel:  0000000000000000 0000000072dd7e7a
ffff8801373ff9a8 ffffffff816ef848
Sep 21 17:31:52 macdora kernel:  ffff8801373ff9f0 ffff8801373ff9e0
ffffffff8108927d 0000000000000001
Sep 21 17:31:52 macdora kernel:  000000000000a800 ffff8800b7ceb000
ffff880037db5000 0000000000000001
Sep 21 17:31:52 macdora kernel: Call Trace:
Sep 21 17:31:52 macdora kernel:  [<ffffffff816ef848>] dump_stack+0x45/0x56
Sep 21 17:31:52 macdora kernel:  [<ffffffff8108927d>]
warn_slowpath_common+0x7d/0xa0
Sep 21 17:31:52 macdora kernel:  [<ffffffff810892fc>]
warn_slowpath_fmt+0x5c/0x80
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00da55b>] ? gen4_read32+0x4b/0xc0
[i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00e8008>] assert_pll+0x68/0x70
[i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00ed931>]
intel_crtc_load_lut+0x1c1/0x1e0 [i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00edb66>]
i9xx_crtc_enable+0x216/0x420 [i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00f0947>]
__intel_set_mode+0x827/0x1640 [i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00f3e16>] intel_set_mode+0x16/0x30
[i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa00f404c>]
intel_get_load_detect_pipe+0x21c/0x4c0 [i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffffa011d4fd>]
intel_tv_detect+0x10d/0x560 [i915]
Sep 21 17:31:52 macdora kernel:  [<ffffffff811f6666>] ? path_openat+0x176/0x670
Sep 21 17:31:52 macdora kernel:  [<ffffffffa002fd5e>] status_show+0x3e/0x80
[drm]
Sep 21 17:31:52 macdora kernel:  [<ffffffff8145a050>] dev_attr_show+0x20/0x60
Sep 21 17:31:52 macdora kernel:  [<ffffffff816f53c2>] ? mutex_lock+0x12/0x2f
Sep 21 17:31:52 macdora kernel:  [<ffffffff81262fcc>]
sysfs_kf_seq_show+0xcc/0x1e0
Sep 21 17:31:52 macdora kernel:  [<ffffffff81261963>] kernfs_seq_show+0x23/0x30
Sep 21 17:31:52 macdora kernel:  [<ffffffff8120a4fa>] seq_read+0x16a/0x3b0
Sep 21 17:31:52 macdora kernel:  [<ffffffff812621b5>]
kernfs_fop_read+0xf5/0x160
Sep 21 17:31:52 macdora kernel:  [<ffffffff811e65bb>] vfs_read+0x9b/0x160
Sep 21 17:31:52 macdora kernel:  [<ffffffff811e7225>] SyS_read+0x55/0xd0
Sep 21 17:31:52 macdora kernel:  [<ffffffff816ff969>]
system_call_fastpath+0x16/0x1b
Sep 21 17:31:52 macdora kernel: ---[ end trace de7443cb8fe1173c ]---
Sep 21 17:31:52 macdora kernel: ------------[ cut here ]------------
Sep 21 17:31:52 macdora kernel: WARNING: CPU: 1 PID: 1833 at
drivers/gpu/drm/i915/intel_display.c:931 assert_pll+0x68/0x70 [i915]()
Sep 21 17:31:52 macdora kernel: PLL state assertion failure (expected on,
current off)
Sep 21 17:31:52 macdora kernel: Modules linked in: tcp_lp fuse ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun bridge stp llc
ebtable_nat ebtables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6
ip6table_filter xt_physdev ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4
xt_conntrack nf_conntrack wl(POE) cfg80211 snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep
snd_seq snd_seq_device iTCO_wdt iTCO_vendor_support joydev snd_pcm appletouch
hid_appleir coretemp applesmc input_polldev snd_timer microcode i2c_i801 rfkill
sky2 snd shpchp lpc_ich mfd_core sbs acpi_cpufreq sbshc soundcore apple_bl
binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc firewire_ohci i915
firewire_core i2c_algo_bit crc_itu_t drm_kms_helper ata_generic pata_acpi drm
i2c_core video

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