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

The following reply was made to PR kern/40750; it has been noted by GNATS.

From: Mindaugas Rasiukevicius <>
Subject: Re: kern/40750 (hackbench screws up 5.0 kernel)
Date: Sun, 29 Mar 2009 06:19:34 +0100 wrote:
 > Synopsis: hackbench screws up 5.0 kernel
 > State-Changed-From-To: open->feedback
 > State-Changed-By:
 > State-Changed-When: Sun, 29 Mar 2009 05:08:21 +0000
 > State-Changed-Why:
 > Might not be a problem in 5.0 RC3.  Need more information.
 FYI: I could not reproduce the problem on -current and NetBSD 5.0_RC3:
 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..
 Best regards,

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