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Show All 25 Lines | NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.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".) | ||||
20160808: | |||||
The UDP receive code has been updated to only treat incoming UDP | |||||
packets that were addressed to an L2 broadcast address as L3 | |||||
broadcast packets. It is not expected that this will affect any | |||||
standards-conforming UDP application. The new behaviour can be | |||||
disabled by setting the sysctl net.inet.udp.require_l2_bcast to | |||||
0. | |||||
20160622: | 20160622: | ||||
The libc stub for the pipe(2) system call has been replaced with | The libc stub for the pipe(2) system call has been replaced with | ||||
a wrapper that calls the pipe2(2) system call and the pipe(2) | a wrapper that calls the pipe2(2) system call and the pipe(2) | ||||
system call is now only implemented by the kernels that include | system call is now only implemented by the kernels that include | ||||
"options COMPAT_FREEBSD10" in their config file (this is the | "options COMPAT_FREEBSD10" in their config file (this is the | ||||
default). Users should ensure that this option is enabled in | default). Users should ensure that this option is enabled in | ||||
their kernel or upgrade userspace to r302092 before upgrading their | their kernel or upgrade userspace to r302092 before upgrading their | ||||
kernel. | kernel. | ||||
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