[Nouveau] [Bug 76732] Kworker using 100% CPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76732

--- Comment #25 from patrick.clara at gmail.com ---
A dump_stack() from inside nouveau_connector_hotplug

CPU: 0 PID: 0 Comm: swapper/0 Tainted: G  R     W  O 3.14.0-rc8+ #2
[ 3122.983526] Hardware name: ASUSTeK COMPUTER INC. UX51VZH/UX51VZH, BIOS
UX51VZH.207 05/23/2013
[ 3122.983527]  ffff8802132d5400 ffffffff814b18f2 ffff8802136e9800
ffffffffa0814699
[ 3122.983529]  ffff88021176a280 ffffffffa078ad80 0000000000000012
0000000000020000
[ 3122.983531]  0000000000000001 0000000000000000 0000000000020000
ffffffffa07beb39
[ 3122.983532] Call Trace:
[ 3122.983533]  <IRQ>  [<ffffffff814b18f2>] ? dump_stack+0x41/0x51
[ 3122.983543]  [<ffffffffa0814699>] ? nouveau_connector_hotplug+0x9/0x30
[nouveau]
[ 3122.983548]  [<ffffffffa078ad80>] ? nouveau_event_trigger+0x60/0xb0
[nouveau]
[ 3122.983554]  [<ffffffffa07beb39>] ? nve0_gpio_intr+0xa9/0xe0 [nouveau]
[ 3122.983561]  [<ffffffffa07c2cf5>] ? nouveau_mc_intr+0x115/0x170 [nouveau]
[ 3122.983562]  [<ffffffff810afebd>] ? handle_irq_event_percpu+0x2d/0x1b0
[ 3122.983564]  [<ffffffff810b0073>] ? handle_irq_event+0x33/0x50
[ 3122.983566]  [<ffffffff810b27bd>] ? handle_edge_irq+0x7d/0x130
[ 3122.983568]  [<ffffffff810156a8>] ? handle_irq+0x18/0x30
[ 3122.983569]  [<ffffffff81014fc4>] ? do_IRQ+0x44/0xe0
[ 3122.983571]  [<ffffffff814b746d>] ? common_interrupt+0x6d/0x6d
[ 3122.983573]  <EOI>  [<ffffffff8139759d>] ? cpuidle_enter_state+0x4d/0xc0
[ 3122.983578]  [<ffffffff81397593>] ? cpuidle_enter_state+0x43/0xc0
[ 3122.983581]  [<ffffffff813976b9>] ? cpuidle_idle_call+0xa9/0x1d0
[ 3122.983583]  [<ffffffff8101c695>] ? arch_cpu_idle+0x5/0x30
[ 3122.983584]  [<ffffffff810af285>] ? cpu_startup_entry+0x95/0x230
[ 3122.983587]  [<ffffffff818c6efc>] ? start_kernel+0x41d/0x428
[ 3122.983589]  [<ffffffff818c6904>] ? repair_env_string+0x58/0x58
[ 3122.983592]  [<ffffffff818c6120>] ? early_idt_handlers+0x120/0x120
[ 3122.983594]  [<ffffffff818c671f>] ? x86_64_start_kernel+0x14d/0x15c

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