amarao (amarao_san) wrote,
amarao
amarao_san

Мистическое зависание

[72504.088022] tty_ldisc_hangup: waiting (login) for tty1 took too long, but we keep waiting...
[72720.672046] INFO: task beam.smp:15527 blocked for more than 120 seconds.
[72720.676946] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[72720.681832] beam.smp        D ffff88023fd93780     0 15527  13158 0x00000000
[72720.681846]  ffff8802340c80c0 0000000000000082 ffffffff00000000 ffff880236d43100
[72720.681867]  0000000000013780 ffff88023598dfd8 ffff88023598dfd8 ffff8802340c80c0
[72720.681886]  0000000000000246 000000018107116d 0000000000000246 ffff880235c00800
[72720.681906] Call Trace:
[72720.681920]  [] ? tty_ldisc_ref_wait+0x6f/0x91
[72720.681932]  [] ? timerqueue_del+0x53/0x63
[72720.681946]  [] ? add_wait_queue+0x3c/0x3c
[72720.681958]  [] ? tty_poll+0x3e/0x6f
[72720.681970]  [] ? ep_send_events_proc+0x42/0xde
[72720.681981]  [] ? should_resched+0x5/0x23
[72720.681991]  [] ? ep_read_events_proc+0x59/0x59
[72720.682003]  [] ? ep_scan_ready_list.isra.7+0x87/0x15b
[72720.682014]  [] ? sys_epoll_wait+0x287/0x308
[72720.682025]  [] ? try_to_wake_up+0x197/0x197
[72720.682037]  [] ? system_call_fastpath+0x16/0x1b
[72840.680045] INFO: task beam.smp:15527 blocked for more than 120 seconds.
[72840.684169] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.


Дополнительный синдром в dmesg:

[ 10.497712] [drm:r100_cp_init] *ERROR* Failed to load firmware!
[ 10.497789] radeon 0000:04:02.0: failed initializing CP (-2).
[ 10.497859] radeon 0000:04:02.0: Disabling GPU acceleration

Решение:

install linux-firmare-nonfree and reboot.
Tags: howto, kernel, trace, грабли
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