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Re: Regressions

On Sun, Mar 01, 2020 at 03:26:12PM +0200, Andreas Gustafsson wrote:

> NetBSD-current is again suffering from a number of regressions.  The
> last time the ATF tests showed zero unexpected failures on real amd64
> hardware was on Dec 12, and the sparc, sparc64, pmax, and hpcmips
> tests have all been unable to run to completion for more than a month.
> Here are the PRs for some of the issues:
>   50350 rump/rumpkern/t_sp/stress_{long,short} fail on Core 2 Quad
>   55032 rump/rumpkern/t_vm:uvmwait test case now fails
>   55018 atf tests for pppoe sometimes leave rump_server processes around

Rump is very fragile.  There's no real bug in the system captured here as
far as I am aware.  Have already spent a lot of time on these and related -
see pthread changes etc which somewhat improved the picture.  Will look into
them again when finished addressing build performance which should be within
the month.

>   54845 sparc panics in sleepq_remove

Spent a couple of days so far this year fixing sparc's maladies.  Will cycle
back when I have free time (as above).

>   54810 sparc64 pool_redzone_check errors during install
>   54923 pmax test runs fail to complete since Jan 15
>   55020 dbregs_dr?_dont_inherit_lwp test cases fail on real hardware

I've not personally looked into these yet.


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