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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:9711 with 4.0-rc1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89303">89303</a>
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<th>Summary</th>
<td>WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:9711 with 4.0-rc1
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jwboyer@fedoraproject.org
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>We have a report [1] of the following backtrace with the 4.0-rc1 kernel:
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:9711
intel_check_page_flip+0xdb/0xf0 [i915]()
Kicking stuck page flip: queued at 11492, now 11497
Modules linked in: ccm bnep bluetooth fuse xt_CHECKSUM ipt_MASQUERADE
nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast
ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat
ebtable_broute bridge 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
rtsx_usb_ms memstick intel_rapl iosf_mbi arc4 x86_pkg_temp_thermal rtl8192ce
rtl_pci coretemp rtl8192c_common kvm_intel rtlwifi kvm snd_hda_codec_hdmi
mac80211 crct10dif_pclmul iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek
snd_hda_codec_generic crc32_pclmul sparse_keymap crc32c_intel
cfg80211 snd_hda_intel snd_hda_controller ghash_clmulni_intel snd_hda_codec
snd_hwdep snd_seq snd_seq_device snd_pcm rfkill snd_timer snd soundcore
serio_raw mei_me mei shpchp i2c_i801 lpc_ich tpm_tis tpm wmi nfsd auth_rpcgss
nfs_acl lockd grace sunrpc i915 rtsx_usb_sdmmc i2c_algo_bit drm_kms_helper
mmc_core drm 8021q garp stp llc mrp r8169 mii rtsx_usb mfd_core video uas
usb_storage
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.0-0.rc1.git0.1.fc22.x86_64 #1
Hardware name: WB WB-B06211/WB-B0621, BIOS EB062IWB V1.0 12/12/2013
0000000000000000 e29f8732215d5724 ffff88011f203cf8 ffffffff8177fc48
0000000000000000 ffff88011f203d50 ffff88011f203d38 ffffffff8109c7ba
ffff88011f203d68 ffff8800367f3800 ffff8800365a5000 0000000000000000
Call Trace:
<IRQ> [<ffffffff8177fc48>] dump_stack+0x45/0x57
[<ffffffff8109c7ba>] warn_slowpath_common+0x8a/0xc0
[<ffffffff8109c845>] warn_slowpath_fmt+0x55/0x70
[<ffffffffa019900b>] intel_check_page_flip+0xdb/0xf0 [i915]
[<ffffffffa016515c>] ironlake_irq_handler+0x42c/0x1000 [i915]
[<ffffffff811069dd>] ? hrtimer_get_next_event+0x3d/0x90
[<ffffffff814a9fdd>] ? credit_entropy_bits+0x26d/0x2d0
[<ffffffff8110594a>] ? get_next_timer_interrupt+0x1fa/0x270
[<ffffffffa0593384>] ? _rtl_pci_interrupt+0x1b4/0x410 [rtl_pci]
[<ffffffff810f4be7>] handle_irq_event_percpu+0x77/0x1a0
[<ffffffff810f4d4b>] handle_irq_event+0x3b/0x60
[<ffffffff810f7f3e>] handle_edge_irq+0x6e/0x120
[<ffffffff81017534>] handle_irq+0x74/0x140
[<ffffffff810a00b1>] ? _local_bh_enable+0x21/0x50
[<ffffffff81788dcf>] do_IRQ+0x4f/0xf0
[<ffffffff81786b2d>] common_interrupt+0x6d/0x6d
<EOI> [<ffffffff81616cbd>] ? cpuidle_enter_state+0x5d/0x170
[<ffffffff81616cad>] ? cpuidle_enter_state+0x4d/0x170
[<ffffffff81616fb7>] cpuidle_enter+0x17/0x20
[<ffffffff810df9d9>] cpu_startup_entry+0x349/0x3e0
[<ffffffff81776547>] rest_init+0x77/0x80
[<ffffffff81d3803f>] start_kernel+0x4a0/0x4c1
[<ffffffff81d37120>] ? early_idt_handlers+0x120/0x120
[<ffffffff81d37339>] x86_64_start_reservations+0x2a/0x2c
[<ffffffff81d3749c>] x86_64_start_kernel+0x161/0x184
[1] <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1195870">https://bugzilla.redhat.com/show_bug.cgi?id=1195870</a></pre>
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