Hi, when unloading random module destry_dev also gets called for dev_t aquired with make_dev_alias which is wrong according to make_dev(9). Seems this has been living in there for 3y7m now ... http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/random/randomdev.c.diff?r1=1.3&r2=1.4 possible yet untested fix: --- sys/dev/random/randomdev.c.orig Thu Feb 12 20:12:58 2004 +++ sys/dev/random/randomdev.c Thu Feb 12 20:25:26 2004 _at__at_ -104,7 +104,6 _at__at_ static struct proc *random_kthread_proc; /* For use with make_dev(9)/destroy_dev(9). */ static dev_t random_dev; -static dev_t urandom_dev; /* ARGSUSED */ static int _at__at_ -266,7 +265,7 _at__at_ random_modevent(module_t mod __unused, i printf("random: <entropy source>\n"); random_dev = make_dev(&random_cdevsw, RANDOM_MINOR, UID_ROOT, GID_WHEEL, 0666, "random"); - urandom_dev = make_dev_alias(random_dev, "urandom"); + (void)make_dev_alias(random_dev, "urandom"); /* Start the hash/reseed thread */ error = kthread_create(random_kthread, NULL, _at__at_ -309,7 +308,6 _at__at_ random_modevent(module_t mod __unused, i random_deinit(); destroy_dev(random_dev); - destroy_dev(urandom_dev); return 0; case MOD_SHUTDOWN: -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT 56 69 73 69 74 http://www.zabbadoz.net/Received on Thu Feb 12 2004 - 11:33:09 UTC
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