Re: Recent 6.0_BETA crash

[Aleksey Cheusov <cheusov%tut.by@localhost>]

 >>  >> I few minutes ago I updated the kernel and modules on my 6.0_BETA
 >>  >> to the latest netbsd-6 sources and enabled debugging kernel options.
 >>  >> 
 >>  >>    options        DEBUG           # expensive debugging checks/support
 >>  >>    makeoptions    DEBUG="-g"      # compile full symbol table
 >>  >> 
 >>  >> Userlevel was not updated.
 >>  >> After login in xdm the system crashed.
 >>  >>     at /srv/src_netbsd_current/sys/arch/x86/x86/pmap.c:3326
 >>  >> 
 >>  >>     3326            KASSERT(uvm_page_locked_p(pg));
 >>  >> 
 >>  >> Stacktrace is below. Any clue?
 >> 
 >> > It looks like the same problem as what makes the kernel occasionally panic
 >> > while running tests. It looks like a race condition causing memory 
 >> > corrution,
 >> > but this is hard to track down ...
 >> 
 >> On my system this crash is reproducible. At least it repeated three
 >> times with xdm login.  Does it make sense to send PR?

> Does it always fail in the same way, or does the panic happen at random
> places ?

I'll check it sunday.

-- 
Best regards, Aleksey Cheusov.