Yeah, a lot of threads are "missing"! Do the logs have anything unusual?<div><br></div><div>Avati<br><br><div class="gmail_quote">On Sun, Feb 3, 2013 at 7:00 AM, Emmanuel Dreyfus <span dir="ltr"><<a href="mailto:manu@netbsd.org" target="_blank">manu@netbsd.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">3.4.0qa8 works fine, but after a while, a NetBSD/amd64 brick stops<br>
responding (while NetBSD/i386 servers seems to work fine, therefore<br>
it looks 64 bits specific). ktrace shows it loops around poll calls. Here<br>
is what I can see if I stop it and inspect with gdb:<br>
<br>
#0 0x00007f7ff62759da in ___lwp_park50 () from /lib/libc.so.12<br>
(gdb) bt<br>
#0 0x00007f7ff62759da in ___lwp_park50 () from /lib/libc.so.12<br>
#1 0x00007f7ff6c086b9 in pthread_cond_timedwait ()<br>
from /usr/lib/libpthread.so.1<br>
#2 0x00007f7ff200abd1 in iot_worker (data=0x7f7ff6fe3120) at io-threads.c:157<br>
#3 0x00007f7ff6c09d75 in ?? () from /usr/lib/libpthread.so.1<br>
#4 0x00007f7ff62759f0 in ___lwp_park50 () from /lib/libc.so.12<br>
#5 0x00007f7fee000000 in ?? ()<br>
#6 0x00007f7ff7fffcc0 in ?? ()<br>
#7 0x0000000111110001 in ?? ()<br>
#8 0x0000000033330003 in ?? ()<br>
#9 0x0000000000000000 in ?? ()<br>
(gdb) frame 2<br>
#2 0x00007f7ff200abd1 in iot_worker (data=0x7f7ff6fe3120) at io-threads.c:157<br>
157 ret = pthread_cond_timedwait (&conf->cond,<br>
(gdb) list<br>
152 pri = -1;<br>
153 }<br>
154 while (conf->queue_size == 0) {<br>
155 conf->sleep_count++;<br>
156<br>
157 ret = pthread_cond_timedwait (&conf->cond,<br>
158 &conf->mutex,<br>
159 &sleep_till);<br>
160 conf->sleep_count--;<br>
161<br>
(gdb) print conf->cond<br>
$1 = {ptc_magic = 1431633925, ptc_lock = 0 '\000', ptc_waiters = {<br>
ptqh_first = 0x7f7feec00000, ptqh_last = 0x7f7fee000230},<br>
ptc_mutex = 0x7f7ff6fe3120, ptc_private = 0x0}<br>
(gdb) print conf->mutex<br>
$2 = {ptm_magic = 858980355, ptm_errorcheck = 0 '\000', ptm_pad1 = "\000\000",<br>
ptm_interlock = 0 '\000', ptm_pad2 = "\000\000", ptm_owner = 0x0,<br>
ptm_waiters = 0x0, ptm_recursed = 0, ptm_spare2 = 0x0}<br>
<br>
NB: ptc_magic and ptm_magic are correct.<br>
<br>
<br>
(gdb) print sleep_till<br>
$3 = {tv_sec = 1359902843, tv_nsec = 0}<br>
<br>
This is also fine.<br>
<br>
<br>
(gdb) info threads<br>
Id Target Id Frame<br>
* 1 LWP 1 0x00007f7ff200abd1 in iot_worker (data=0x7f7ff6fe3120)<br>
at io-threads.c:157<br>
<br>
The current thread <Thread ID 1> has terminated. See `help thread'.<br>
(gdb)<br>
<br>
Is'nt it supposed to have multiple threads?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Emmanuel Dreyfus<br>
<a href="http://hcpnet.free.fr/pubz" target="_blank">http://hcpnet.free.fr/pubz</a><br>
<a href="mailto:manu@netbsd.org">manu@netbsd.org</a><br>
<br>
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</font></span></blockquote></div><br></div>