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Show All 25 Lines | NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW: | ||||
includes various WITNESS- related kernel options, INVARIANTS, malloc | includes various WITNESS- related kernel options, INVARIANTS, malloc | ||||
debugging flags in userland, and various verbose features in the | debugging flags in userland, and various verbose features in the | ||||
kernel. Many developers choose to disable these features on build | kernel. Many developers choose to disable these features on build | ||||
machines to maximize performance. (To completely disable malloc | machines to maximize performance. (To completely disable malloc | ||||
debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely | debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely | ||||
disable the most expensive debugging functionality run | disable the most expensive debugging functionality run | ||||
"ln -s 'abort:false,junk:false' /etc/malloc.conf".) | "ln -s 'abort:false,junk:false' /etc/malloc.conf".) | ||||
2019xxxx: | |||||
The tap(4) driver has been folded into tun(4), and the module has been | |||||
renamed to tuntap(4). You should update any kld_load="if_tap" or | |||||
kld_load="if_tun" entries in /etc/rc.conf, if_tap_load="YES" or | |||||
if_tun_load="YES" entries in /boot/loader.conf, and "options tap" or | |||||
"options tun" entries in kernel config files to load the tuntap(4) | |||||
driver instead. | |||||
20190418: | 20190418: | ||||
The following knobs have been added related to tradeoffs between | The following knobs have been added related to tradeoffs between | ||||
safe use of the random device and availability in the absence of | safe use of the random device and availability in the absence of | ||||
entropy: | entropy: | ||||
kern.random.initial_seeding.bypass_before_seeding: tunable; set | kern.random.initial_seeding.bypass_before_seeding: tunable; set | ||||
non-zero to bypass the random device prior to seeding, or zero to | non-zero to bypass the random device prior to seeding, or zero to | ||||
block random requests until the random device is initially seeded. | block random requests until the random device is initially seeded. | ||||
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