I have the same error with svn update after upgrading to 2.6.27-aivazovsky from git a few days ago. Even after manually setting perms to 666 it doesn't work.
rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_IGN}, 8) = 0
brk(0x829000) = 0x829000
brk(0x84a000) = 0x84a000
access("/dev/random", R_OK) = -1 EPERM (Operation not permitted)
write(2, "Fatal: "..., 7Fatal: ) = 7
write(2, "no entropy gathering module detec"..., 37no entropy gathering module detected
) = 37
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
tgkill(725, 725, SIGABRT) = 0