Hi everyone!

Has anyone experienced the case where certain processes in FS simulation after 
boot are blocked by kernel crng init?

I'm using a kernel for ARM64 built from scratch using a buildroot recipe, and 
the kernel crng init blocked the sample app i'm supposed to test out for like 7 
simulated seconds which is quite a lot.

 I looked it up on the net and it seems like reads to /dev/urandom should not 
be blocking and would cause a "uninitialized urandom read" warning at best. 
I've tried out the pre-built ARM image provided, and it displays such warnings, 
but not on my own built system. Anyone has a solution for this? (I asked the 
same question on gem5 Slack channel, and Professor Lowe-Power mentioned that 
they kinda disabled the rng to do that, but I haven't really found a way 
configure that in kconfig.)





Name: Zhang Zhiyuan

Phone: +86-17717877306

E-mail: 18300750...@fudan.edu.cn
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