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<body><span class="vcard"><a class="email" href="mailto:bas@debian.org" title="Bas Zoetekouw <bas@debian.org>"> <span class="fn">Bas Zoetekouw</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [EXT][KBL][SKL] IGT pm_rpm@system-suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100378">bug 100378</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>CLOSED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [EXT][KBL][SKL] IGT pm_rpm@system-suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100378#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [EXT][KBL][SKL] IGT pm_rpm@system-suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100378">bug 100378</a>
from <span class="vcard"><a class="email" href="mailto:bas@debian.org" title="Bas Zoetekouw <bas@debian.org>"> <span class="fn">Bas Zoetekouw</span></a>
</span></b>
<pre>I'm now seeing this issue on my Dell E7470 with kernel 4.15.0 (Ubuntu bionic
18.04).
Exact error (during boot):
mrt 02 17:50:46 regan systemd-journald[508]: Missed 51852 kernel messages
mrt 02 17:50:46 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:46 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000880
[...repeat a few hundred times...]
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: e1000e: EEE TX LPI TIMER: 00000011
mrt 02 17:50:47 regan kernel: ------------[ cut here ]------------
mrt 02 17:50:47 regan kernel: Unexpected DBuf power power state (0x0000000a)
mrt 02 17:50:47 regan kernel: WARNING: CPU: 2 PID: 5110 at
/build/linux-LuqUgo/linux-4.15.0/drivers/gpu/drm/i915/intel_r
mrt 02 17:50:47 regan kernel: Modules linked in: ccm rfcomm bridge stp llc
devlink ebtable_filter ebtables ip6table_filt
mrt 02 17:50:47 regan kernel: dell_smbios_wmi btusb snd btrtl dell_wmi btbcm
sparse_keymap btintel dell_smbios serio_ra
mrt 02 17:50:47 regan kernel: drm_kms_helper syscopyarea aesni_intel
sysfillrect sysimgblt e1000e fb_sys_fops aes_x86_6
mrt 02 17:50:47 regan kernel: CPU: 2 PID: 5110 Comm: kworker/u8:7 Tainted: G
U W 4.15.0-10-generic #11-Ubunt
mrt 02 17:50:47 regan kernel: Hardware name: Dell Inc. Latitude E7470/0T6HHJ,
BIOS 1.18.5 12/11/2017
mrt 02 17:50:47 regan kernel: Workqueue: events_unbound async_run_entry_fn
mrt 02 17:50:47 regan kernel: RIP:
0010:gen9_dc_off_power_well_enable+0x201/0x240 [i915]
mrt 02 17:50:47 regan kernel: RSP: 0000:ffffbd1f0450fc68 EFLAGS: 00010282
mrt 02 17:50:47 regan kernel: RAX: 0000000000000000 RBX: ffff9f17b1668000 RCX:
ffffffffb0e62708
mrt 02 17:50:47 regan kernel: RDX: ffffffffb0e62708 RSI: 0000000000000096 RDI:
0000000000000202
mrt 02 17:50:47 regan kernel: RBP: ffffbd1f0450fc88 R08: 0000000000000000 R09:
000000000000002e
mrt 02 17:50:47 regan kernel: R10: ffffbd1f0450fe38 R11: 000000000000d95f R12:
ffff9f17b1668000
mrt 02 17:50:47 regan kernel: R13: 0000000400000000 R14: aaaaaaaaaaaaaaab R15:
0000000000000022
mrt 02 17:50:47 regan kernel: FS: 0000000000000000(0000)
GS:ffff9f17cfd00000(0000) knlGS:0000000000000000
mrt 02 17:50:47 regan kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
mrt 02 17:50:47 regan kernel: CR2: 0000000000000000 CR3: 00000001c620a001 CR4:
00000000003606e0
mrt 02 17:50:47 regan kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
mrt 02 17:50:47 regan kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
mrt 02 17:50:47 regan kernel: Call Trace:
mrt 02 17:50:47 regan kernel: intel_power_well_enable+0x40/0x50 [i915]
mrt 02 17:50:47 regan kernel: __intel_display_power_get_domain+0x82/0xa0
[i915]
mrt 02 17:50:47 regan kernel: intel_display_power_get+0x33/0x50 [i915]
mrt 02 17:50:47 regan kernel: intel_display_set_init_power.part.14+0x21/0x40
[i915]
mrt 02 17:50:47 regan kernel: intel_display_set_init_power+0x1b/0x20 [i915]
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: i915_drm_suspend+0x4f/0x170 [i915]
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: i915_pm_suspend+0x28/0x40 [i915]
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: pci_pm_suspend+0x8c/0x150
mrt 02 17:50:47 regan kernel: dpm_run_callback+0x5a/0x150
mrt 02 17:50:47 regan kernel: ? pci_pm_resume+0xb0/0xb0
mrt 02 17:50:47 regan kernel: __device_suspend+0x11f/0x450
mrt 02 17:50:47 regan kernel: async_suspend+0x1f/0xa0
mrt 02 17:50:47 regan kernel: async_run_entry_fn+0x3c/0x150
mrt 02 17:50:47 regan kernel: process_one_work+0x1ef/0x410
mrt 02 17:50:47 regan kernel: worker_thread+0x32/0x410
mrt 02 17:50:47 regan kernel: kthread+0x121/0x140
mrt 02 17:50:47 regan kernel: ? process_one_work+0x410/0x410
mrt 02 17:50:47 regan kernel: ? kthread_create_worker_on_cpu+0x70/0x70
mrt 02 17:50:47 regan kernel: ? do_syscall_64+0x76/0x130
mrt 02 17:50:47 regan kernel: ? SyS_exit_group+0x14/0x20
mrt 02 17:50:47 regan kernel: ret_from_fork+0x35/0x40
mrt 02 17:50:47 regan kernel: Code: fe ff ff 48 c7 c6 20 0b 65 c0 48 c7 c7 66
20 64 c0 e8 74 a3 53 ef 0f ff e9 6e fe ff
mrt 02 17:50:47 regan kernel: ---[ end trace 8b40df64d7086aad ]---
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
mrt 02 17:50:47 regan kernel: [drm:gen8_irq_handler [i915]] *ERROR* Fault
errors on pipe A: 0x00000080
After this, the system boots fine, but DRI seems disabled. E.g., Xorg says:
[ 27.868] (II) Module glamoregl: vendor="X.Org Foundation"
[ 27.868] compiled for 1.19.6, module version = 1.0.0
[ 27.868] ABI class: X.Org ANSI C Emulation, version 0.4
[ 27.868] (II) glamor: OpenGL accelerated X.org driver based.
[ 27.915] (EE) modeset(0): eglGetDisplay() failed
[ 27.916] (EE) modeset(0): glamor initialization failed
[...]
[ 28.030] (II) AIGLX: Screen 0 is not DRI2 capable
[ 28.030] (EE) AIGLX: reverting to software rendering</pre>
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