3.3.0-rc5+git: WARNING: at drivers/gpu/drm/i915/i915_irq.c:652 ironlake_irq_handler+0x4ea/0x500()

Soeren Sonnenburg
2012-03-06T00:06:20Z

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Hi,

I am getting this on a i7 system on a DH67BL intel board on current git
and wonder whether I should be worried:

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WARNING: at drivers/gpu/drm/i915/i915_irq.c:652 ironlake_irq_handler+0x4ea/0x500()
Hardware name:
Missed a PM interrupt
Modules linked in:
Pid: 0, comm: swapper/0 Not tainted 3.3.0-rc5+ #27
Call Trace:
<IRQ> [<ffffffff810939db>] ? warn_slowpath_common+0x7b/0xc0
[<ffffffff81093ad5>] ? warn_slowpath_fmt+0x45/0x50
[<ffffffff810ab2c6>] ? queue_work_on+0x16/0x20
[<ffffffff81492afa>] ? ironlake_irq_handler+0x4ea/0x500
[<ffffffff810ecfea>] ? handle_irq_event_percpu+0x3a/0x140
[<ffffffff81099c83>] ? __do_softirq+0xb3/0x130
[<ffffffff810ed131>] ? handle_irq_event+0x41/0x70
[<ffffffff810f048d>] ? handle_edge_irq+0x6d/0x120
[<ffffffff81041ae5>] ? handle_irq+0x15/0x20
[<ffffffff81041253>] ? do_IRQ+0x53/0xd0
[<ffffffff816cc12e>] ? common_interrupt+0x6e/0x6e
<EOI> [<ffffffff816cbb1b>] ? _raw_spin_unlock_irqrestore+0x1b/0x40
[<ffffffff813e8737>] ? intel_idle+0xd7/0x150
[<ffffffff813e871a>] ? intel_idle+0xba/0x150
[<ffffffff815d6873>] ? cpuidle_idle_call+0x93/0xe0
[<ffffffff8103f1e9>] ? cpu_idle+0x79/0xe0
[<ffffffff81984c12>] ? start_kernel+0x366/0x371
[<ffffffff8198444c>] ? x86_64_start_kernel+0x104/0x113
---[ end trace 8b3760a8c69d9501 ]---

$ cat /proc/interrupts

CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7
0: 1801 0 0 0 0 0 0 0 IO-APIC-edge timer
1: 3 0 0 0 0 0 0 0 IO-APIC-edge i8042
8: 1 0 0 0 0 0 0 0 IO-APIC-edge rtc0
9: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi acpi
12: 3 0 0 0 0 0 0 0 IO-APIC-edge i8042
16: 215 0 0 0 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb1
23: 829615563 0 0 0 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2
40: 0 0 0 0 0 0 0 0 PCI-MSI-edge PCIe PME
41: 0 0 0 0 0 0 0 0 PCI-MSI-edge PCIe PME
42: 4300572 0 0 0 0 0 0 0 PCI-MSI-edge i915
43: 51614938 0 0 0 0 0 0 0 PCI-MSI-edge ahci
44: 35008209 0 0 0 0 0 0 0 PCI-MSI-edge eth0
NMI: 0 0 0 0 0 0 0 0 Non-maskable interrupts
LOC: 419860182 17318718 22409016 16940072 3696355 2776406 5544045 5374801 Local timer interrupts
SPU: 0 0 0 0 0 0 0 0 Spurious interrupts
PMI: 0 0 0 0 0 0 0 0 Performance monitoring interrupts
IWI: 0 0 0 0 0 0 0 0 IRQ work interrupts
RTR: 6 0 0 0 0 0 0 0 APIC ICR read retries
RES: 15246280 9404003 289674 34811 10270 4717 4437 3644 Rescheduling interrupts
CAL: 633 483 481 460 233 236 228 225 Function call interrupts
TLB: 382928 369632 370463 359784 381885 378229 393943 383276 TLB shootdowns
TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts
THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts
MCE: 0 0 0 0 0 0 0 0 Machine check exceptions
MCP: 1677 1677 1677 1677 1677 1677 1677 1677 Machine check polls
ERR: 0
MIS: 0

$ lspci

00:00.0 Host bridge: Intel Corporation Sandy Bridge DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Sandy Bridge Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation Cougar Point HECI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network Connection (rev 05)
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 1 (rev b5)
00:1c.3 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port 4 (rev b5)
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation Cougar Point LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation Cougar Point 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 05)
01:00.0 PCI bridge: Integrated Technology Express, Inc. Device 8892 (rev 10)
03:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)

--
For the one fact about the future of which we can be certain is that it
will be utterly fantastic. -- Arthur C. Clarke, 1962

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