On Fri, 26 May 2023 12:36:18 -0700 stan via kernel <kernel@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > I compile a custom kernel (currently 6.4 rc1), and I have > CONFIG_PROC_SYSCTL=y > set in the configuration. I run a program that gathers entropy from > the atmosphere and feeds it into the kernel entropy pool via the > public kernel interface. When I start the program, I want to change > the thresholds for entropy because there is no longer any shortage of > entropy, so I want it to be kept full (4096). I do that using > /usr/bin/echo 3967 > /proc/sys/kernel/random/write_wakeup_threshold > I haven't checked in a while using > cat /proc/sys/kernel/random/entropy_avail > It used to hover around 4030 or so. But now the > write_wakeup_threshold is 256, and the amount of entropy is 256, and > no changes are possible. > > Have there been recent changes to the kernel random generation > process? Has this been deprecated or restricted? It seems that this is a known issue, and I am not the only one affected. It is discussed in the link below. https://github.com/nhorman/rng-tools/issues/173 _______________________________________________ kernel mailing list -- kernel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to kernel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/kernel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
