Re: [perf] perf_fuzzer causes unchecked MSR access error

From: Vince Weaver
Date: Wed Mar 03 2021 - 19:03:43 EST


On Wed, 3 Mar 2021, Liang, Kan wrote:

> We never use bit 58. It should be a new issue.
> Is it repeatable?

yes, it's repeatable.

(which I'm glad to see because it looks suspiciously like a memory bit
flip)

Though since it's a WARN_ONCE I have to reboot each time I want to test.

If I get a chance I'll try to come up with a reduced test case but
probably won't have time for that today.

Vince