Re: kern/40750 (hackbench screws up 5.0 kernel)

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Mindaugas Rasiukevicius <rmind%netbsd.org@localhost> wrote:
> FYI: I could not reproduce the problem on -current and NetBSD 5.0_RC3:
> 
> http://www.netbsd.org/~rmind/hbtest.sh
> http://www.netbsd.org/~rmind/hbtest.txt
> 
> One of the major changes between RC2 and RC3 was KVA cache for pipe direct
> write (which was also disabled), though I do not see why it would send any
> signals, if pipe_pgid == 0. With enabled direct write in -current, problem
> does not occur, however. I have not tried reverting KVA cache changes yet..

Latest 5.0/i386 with reverted sys_pipe.c to 1.105 revision:

http://www.netbsd.org/~rmind/hbtest.2.txt

Seems to be fine? I am missing something.

-- 
Best regards,
Mindaugas