Hi,
while watching flash video in a browser I got:
irq 42: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper Tainted: G W 2.6.39-rc3-mm1_64+ #1423
Call Trace:
<IRQ> [<ffffffff810bd671>] __report_bad_irq+0x31/0xc0
[<ffffffff810bd934>] note_interrupt+0x194/0x1d0
[<ffffffff810bbb58>] handle_irq_event_percpu+0xe8/0x160
[<ffffffff810bbc05>] handle_irq_event+0x35/0x60
[<ffffffff810be1af>] handle_edge_irq+0x6f/0x110
[<ffffffff81033a4d>] handle_irq+0x1d/0x30
[<ffffffff810336c8>] do_IRQ+0x58/0xe0
[<ffffffff815f9753>] common_interrupt+0x13/0x13
<EOI> [<ffffffff81030850>] ? __switch_to+0x260/0x2c0
[<ffffffff8109a46e>] ? tick_nohz_stop_sched_tick+0x28e/0x3d0
[<ffffffff81039be4>] ? default_idle+0x24/0x40
[<ffffffff81030236>] cpu_idle+0x36/0xb0
[<ffffffff815e3108>] rest_init+0x68/0x70
[<ffffffff81a7fb6a>] start_kernel+0x35c/0x367
[<ffffffff81a7f322>] x86_64_start_reservations+0x132/0x136
[<ffffffff81a7f417>] x86_64_start_kernel+0xf1/0xf8
handlers:
[<ffffffff8132ee60>] (i915_driver_irq_handler+0x0/0x420)
Disabling IRQ #42
Now the interrupt is polled, so that the graphics is obviously sluggish.
I have also /sys/kernel/debug/dri contents if you want anything of that.
Going to reboot now.
# lspci -vvnnxxxs 00:02.0
00:02.0 VGA compatible controller [0300]: Intel Corporation 82G33/G31
Express Integrated Graphics Controller [8086:29c2] (rev 02) (prog-if 00
[VGA controller])
Subsystem: Intel Corporation 82G33/G31 Express Integrated
Graphics Controller [8086:29c2]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 42
Region 0: Memory at feb80000 (32-bit, non-prefetchable) [size=512K]
Region 1: I/O ports at ec00 [size=8]
Region 2: Memory at d0000000 (32-bit, prefetchable) [size=256M]
Region 3: Memory at fea00000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee0300c Data: 4161
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: i915
00: 86 80 c2 29 07 04 90 00 02 00 00 03 00 00 00 00
10: 00 00 b8 fe 01 ec 00 00 08 00 00 d0 00 00 a0 fe
20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 c2 29
30: 00 00 00 00 90 00 00 00 00 00 00 00 05 01 00 00
40: 09 00 0b 01 00 00 00 00 01 00 00 00 00 00 00 00
50: 00 00 30 02 c9 03 00 00 00 00 00 00 00 00 80 af
60: 00 00 02 02 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 05 d0 01 00 0c 30 e0 fe 61 41 00 00 00 00 00 00
a0: 11 11 00 00 00 00 06 03 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 00 22 00 00 00 00 00 00 00 00 00 00 01 02 00
e0: 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
f0: 10 00 00 00 00 00 00 00 90 0f 03 00 e4 e0 5b af
regards,
--
js
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