Re: Runaway intr, not flash related

From: Doug Barton <dougb_at_FreeBSD.org>
Date: Tue, 17 Aug 2010 00:27:45 -0700 (PDT)
On Mon, 16 Aug 2010, Peter Jeremy wrote:

> - Have you tried running a uniprocessor kernel?

Ok I tried this, and got the same result early into the 3rd video. After 
I ran the dtrace intr got up to a truly impressive 27% cpu before I shut 
it down.

last pid:  4423;  load averages:  2.07,  1.32,  0.91    up 0+02:37:40  23:50:59
98 processes:  2 running, 79 sleeping, 17 waiting
CPU:  3.2% user,  0.0% nice, 16.0% system, 17.3% interrupt, 63.5% idle
Mem: 48M Active, 210M Inact, 117M Wired, 544K Cache, 112M Buf, 1625M Free
Swap: 1024M Total, 1024M Free

   PID USERNAME   PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
    10 root       171 ki31     0K     8K RUN     69:12 48.19% idle
  4423 dougb      104    0  9912K  2036K RUN      0:02 10.70% top
    11 root       -32    -     0K   136K WAIT     0:15  6.79% {swi4: clock}
    14 root         0    -     0K     8K tzpoll   0:05  0.68% acpi_thermal
    11 root       -68    -     0K   136K WAIT     0:55  0.54% {irq5: wpi0}
    17 root        96    -     0K     8K syncer   0:02  0.44% syncer
   781 root        98    0  9684K  1268K select   0:08  0.34% moused
     3 root        -8    -     0K     8K -        0:02  0.24% g_up
  1340 root        96    0  9580K  1192K select   0:07  0.15% powerd
     4 root        -8    -     0K     8K -        0:01  0.10% g_down
    19 root       -16    -     0K     8K sdflus   0:00  0.10% softdepflush



CPU     ID                    FUNCTION:NAME
   0      2                             :END kernel`realitexpire
            value  ------------- Distribution ------------- count
            32768 |                                         0
            65536 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_ 1
           131072 |                                         0

0xc0b0bf30
            value  ------------- Distribution ------------- count
           131072 |                                         0
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_ 1
           524288 |                                         0

kernel`ieee80211_node_timeout
            value  ------------- Distribution ------------- count
           262144 |                                         0
           524288 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_ 1
          1048576 |                                         0

kernel`loadav
            value  ------------- Distribution ------------- count
              512 |                                         0
             1024 |_at__at__at__at__at__at__at_                                  1
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |                                         0
            32768 |                                         0
            65536 |_at__at__at__at__at__at__at_                                  1
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                     3
           262144 |_at__at__at__at__at__at__at_                                  1
           524288 |                                         0

kernel`uma_timeout
            value  ------------- Distribution ------------- count
          1048576 |                                         0
          2097152 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_ 1
          4194304 |                                         0

kernel`ipport_tick
            value  ------------- Distribution ------------- count
              256 |                                         0
              512 |_at__at__at_                                      2
             1024 |                                         0
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at__at__at_                                    3
            32768 |_at__at_                                       1
            65536 |_at__at__at__at__at__at__at__at__at_                                6
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                   14
           262144 |                                         0

kernel`kbdmux_kbd_intr_timo
            value  ------------- Distribution ------------- count
              128 |                                         0
              256 |_at__at_                                       1
              512 |_at__at__at_                                      2
             1024 |                                         0
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at_                                       1
            32768 |_at__at__at__at__at_                                    3
            65536 |_at__at__at__at__at__at__at__at_                                 5
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                     13
           262144 |                                         0
           524288 |_at__at_                                       1
          1048576 |                                         0

0xc0b0a9d0
            value  ------------- Distribution ------------- count
              512 |                                         0
             1024 |_at__at__at__at__at_                                    3
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at_                                       1
            32768 |                                         0
            65536 |_at__at__at__at__at__at_                                   4
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_               17
           262144 |_at__at_                                       1
           524288 |                                         0

0xc5c9a5d0
            value  ------------- Distribution ------------- count
             8192 |                                         0
            16384 |_at__at__at_                                      2
            32768 |_at__at_                                       1
            65536 |_at__at__at__at__at_                                    3
           131072 |_at__at_                                       1
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_            18
           524288 |                                         0

kernel`nd6_timer
            value  ------------- Distribution ------------- count
             8192 |                                         0
            16384 |_at__at__at_                                      2
            32768 |_at__at_                                       1
            65536 |_at__at__at__at__at__at_                                   4
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                       12
           262144 |_at__at__at__at__at__at__at__at_                                 5
           524288 |_at__at_                                       1
          1048576 |                                         0
          2097152 |_at__at_                                       1
          4194304 |                                         0

kernel`lim_cb
            value  ------------- Distribution ------------- count
              128 |                                         0
              256 |_at_                                        1
              512 |_at_                                        1
             1024 |_at__at_                                       3
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at_                                      6
            32768 |                                         0
            65536 |_at__at__at_                                      6
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                      37
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at_                             23
           524288 |_at_                                        1
          1048576 |                                         0

kernel`uhci_root_intr
            value  ------------- Distribution ------------- count
             8192 |                                         0
            16384 |_at__at_                                       5
            32768 |_at__at_                                       6
            65536 |_at__at__at__at_                                     11
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_           79
           262144 |_at_                                        3
           524288 |                                         0

kernel`logtimeout
            value  ------------- Distribution ------------- count
              128 |                                         0
              256 |_at_                                        3
              512 |_at__at__at_                                      10
             1024 |                                         0
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at_                                       6
            32768 |_at__at_                                       6
            65536 |_at__at__at__at__at_                                    15
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_               84
           262144 |_at_                                        3
           524288 |_at_                                        2
          1048576 |                                         0

kernel`realtimer_expire
            value  ------------- Distribution ------------- count
            32768 |                                         0
            65536 |_at__at__at_                                      2
           131072 |_at_                                        1
           262144 |_at__at__at__at__at_                                    4
           524288 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                    16
          1048576 |_at__at__at__at__at__at__at__at_                                 6
          2097152 |_at_                                        1
          4194304 |                                         0

kernel`pfslowtimo
            value  ------------- Distribution ------------- count
            16384 |                                         0
            32768 |_at__at__at_                                      4
            65536 |_at__at_                                       3
           131072 |_at__at__at__at__at_                                    7
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at_                             16
           524288 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                         21
          1048576 |                                         0
          2097152 |_at_                                        1
          4194304 |                                         0

kernel`pffasttimo
            value  ------------- Distribution ------------- count
              256 |                                         0
              512 |_at_                                        2
             1024 |_at_                                        3
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at_                                      10
            32768 |_at_                                        2
            65536 |_at__at__at__at__at__at_                                   18
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at_                            42
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                         50
           524288 |_at_                                        2
          1048576 |                                         0

kernel`atkbd_timeout
            value  ------------- Distribution ------------- count
             1024 |                                         0
             2048 |                                         1
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at_                                       11
            32768 |_at__at_                                       14
            65536 |_at__at__at__at__at__at_                                   39
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at_                            84
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                         106
           524288 |_at_                                        4
          1048576 |                                         0

kernel`scrn_timer
            value  ------------- Distribution ------------- count
              256 |                                         0
              512 |_at_                                        17
             1024 |_at_                                        14
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at_                                      46
            32768 |                                         7
            65536 |_at__at__at__at__at__at_                                   93
           131072 |_at__at__at__at__at__at__at__at__at__at_                               165
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                       284
           524288 |_at_                                        14
          1048576 |                                         0
          2097152 |                                         2
          4194304 |                                         0

kernel`usb_power_wdog
            value  ------------- Distribution ------------- count
            65536 |                                         0
           131072 |_at__at_                                       2
           262144 |_at__at_                                       2
           524288 |_at__at__at__at__at_                                    4
          1048576 |_at_                                        1
          2097152 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                  20
          4194304 |_at_                                        1
          8388608 |                                         0
         16777216 |_at__at__at__at__at__at_                                   5
         33554432 |                                         0

kernel`sleepq_timeout
            value  ------------- Distribution ------------- count
              256 |                                         0
              512 |_at_                                        16
             1024 |_at_                                        25
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at_                                       51
            32768 |_at_                                        15
            65536 |_at__at__at__at__at_                                    111
           131072 |_at__at__at__at__at__at__at__at_                                 169
           262144 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                     408
           524288 |_at_                                        24
          1048576 |                                         0
          2097152 |                                         0
          4194304 |                                         0
          8388608 |                                         1
         16777216 |                                         0

kernel`tcp_isn_tick
            value  ------------- Distribution ------------- count
              128 |                                         0
              256 |_at_                                        59
              512 |_at__at_                                       106
             1024 |                                         29
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at_                                      165
            32768 |_at__at_                                       138
            65536 |_at__at__at__at__at_                                    312
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_               1662
           262144 |_at_                                        49
           524288 |                                         5
          1048576 |                                         1
          2097152 |                                         4
          4194304 |                                         0

0xc5ca5f40
            value  ------------- Distribution ------------- count
              128 |                                         0
              256 |                                         1
              512 |_at__at_                                       103
             1024 |_at_                                        80
             2048 |                                         0
             4096 |                                         0
             8192 |                                         0
            16384 |_at__at__at_                                      165
            32768 |_at_                                        35
            65536 |_at__at__at__at__at_                                    331
           131072 |_at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at__at_                1590
           262144 |_at__at__at_                                      185
           524288 |_at_                                        35
          1048576 |                                         0
          2097152 |                                         4
          4194304 |                                         0

kernel`realitexpire 1
kernel`ieee80211_node_timeout 1
kernel`uma_timeout 1
0xc0b0bf30 1
kernel`loadav 6
0xc5c9a5d0 25
kernel`kbdmux_kbd_intr_timo 26
kernel`ipport_tick 26
kernel`nd6_timer 26
0xc0b0a9d0 26
kernel`realtimer_expire 30
kernel`usb_power_wdog 35
kernel`pfslowtimo 52
kernel`lim_cb 78
kernel`uhci_root_intr 104
kernel`logtimeout 129
kernel`pffasttimo 129
kernel`atkbd_timeout 259
kernel`scrn_timer 642
kernel`sleepq_timeout 820
0xc5ca5f40 2529
kernel`tcp_isn_tick 2530



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Received on Tue Aug 17 2010 - 05:27:49 UTC

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