cmsv | 30 May 01:04 2013
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random: Not enough entropy pool available for secure operations dir 601/615

random: Only 4/20 bytes of stron[ 1287.910000] br-lan: port 2(wlan0)
entered forwarding state
g random data av[ 1287.920000] br-lan: port 2(wlan0) entered forwarding
state
ailable from /de[ 1287.920000] ADDRCONF(NETDEV_CHANGE): wlan0: link
becomes ready
v/random
random: Not enough entropy pool available for secure operations
WPA: [ 1287.940000] device wds0 entered promiscuous mode
Not enough entro[ 1287.940000] ADDRCONF(NETDEV_UP): wds0: link is not ready
py in random pool for secure operations - update keys later when the
first station connects

However; cat /proc/sys/kernel/random/entropy_avail does slowly show
number increase. After rebooting; wifi was at 40 and a few minutes later
at 131.

The issue happens on wifi restarts

# cat /proc/cpuinfo
system type             : Atheros AR7240 rev 2
machine                 : D-Link DIR-600 rev. A1
processor               : 0
cpu model               : MIPS 24Kc V7.4

Linux version 3.3.8 (cmsv <at> nixbits) (gcc version 4.6.3 20120201
(prerelease) (Linaro GCC 4.6-2012.02) ) #1 Mon May 20 09:22:58 EDT 2013
DISTRIB_ID="OpenWrt"
DISTRIB_RELEASE="Attitude Adjustment"
DISTRIB_REVISION="r36652"
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Gmane