[Nouveau] [Bug 34430] nouveau driver does not return VGA connector status breaking upower

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34430

--- Comment #3 from Robert Varga <nite at hq.sk> ---
Since this is not moving ahead, here's a stack trace from 3.9.4:

Call Trace:
 <IRQ>  [<ffffffff81268e82>] ? showacpu+0x42/0x60
 [<ffffffff8108b0b5>] ? generic_smp_call_function_single_interrupt+0xb5/0x120
 [<ffffffff81023c42>] ? smp_call_function_interrupt+0x22/0x40 
 [<ffffffff814a553a>] ? call_function_interrupt+0x6a/0x70
 <EOI>  [<ffffffff814a3fd6>] ? retint_kernel+0x26/0x30
 [<ffffffff8123aa02>] ? ioread32+0x42/0x50
 [<ffffffffa03c1ce2>] ? nv04_timer_read+0x32/0x60 [nouveau]
 [<ffffffffa03c1a2a>] ? nouveau_timer_wait_eq+0x6a/0xd0 [nouveau]
 [<ffffffffa03cb40e>] ? nv50_dac_power+0x3e/0xa0 [nouveau]
 [<ffffffffa0439ed5>] ? nv50_dac_detect+0x75/0x90 [nouveau]
 [<ffffffffa0425ead>] ? nouveau_connector_detect+0x3cd/0x3e0 [nouveau]
 [<ffffffff812deebf>] ? status_show+0x3f/0x90
 [<ffffffff81350ac7>] ? dev_attr_show+0x17/0x50
 [<ffffffff810e0d02>] ? __get_free_pages+0x12/0x50
 [<ffffffff8118b15e>] ? sysfs_read_file+0xae/0x1a0
 [<ffffffff81124ce0>] ? vfs_read+0xa0/0x160
 [<ffffffff81124f31>] ? sys_read+0x51/0xa0
 [<ffffffff814a4616>] ? system_call_fastpath+0x1a/0x1f

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