Commit Graph

1 Commits (5c992fcc3f911d52c9c5512c178bc27e0236e30f)

Author SHA1 Message Date
Stefan Siegel ae7b9ea8cd Always use /proc/sys/kernel/random/boot_id to confirm reboot on Linux (#47017)
* Always use /proc/sys/kernel/random/boot_id to confirm reboot on Linux

/proc/sys/kernel/random/boot_id is available since kernel 2.3.16 and
should be safe to rely on.

The previously used method by checking the system boot time using who -b
turned out to be unreliable: Some systems lacking an RTC report the Unix
epoch as boot time, but the code trying to detect that did't always
work.

Closes #46562

* Change DEFAULT_BOOT_TIME_COMMAND

- change to usinsg /proc by default
- add BOOT_TIME_COMMANDS for BSD, Solaris, and macOS
6 years ago