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Message #78838
[Bug 1365593] Re: No driver provided for X-Gene's hardware RNG
Pull requests:
https://lists.ubuntu.com/archives/kernel-team/2014-September/048173.html
https://lists.ubuntu.com/archives/kernel-team/2014-September/048174.html
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https://bugs.launchpad.net/bugs/1365593
Title:
No driver provided for X-Gene's hardware RNG
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
[Impact]
User has a system with a built-in random number generator that the OS cannot use.
[Test Case]
Make sure rng-tools is uninstalled.
Reboot with this driver, verify that it is automatically loaded. Leave system idle for this test.
In one terminal, run 'watch cat /proc/sys/kernel/random/entropy_avail', and note that the minor fluctuation in available entropy over time. Install rng-tools, and notice that entropy shoots up and grows at a faster rate than previously.
[Regression Potential]
If this driver is buggy it could cause e.g. an oops or a panic that would not otherwise have occurred.
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References