Re: kern/43199: read(2) returns bad size in multithreaded programs

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

The following reply was made to PR kern/43199; it has been noted by GNATS.

From: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>
To: Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/43199: read(2) returns bad size in multithreaded programs
Date: Mon, 26 Apr 2010 16:48:06 +0100

 Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost> wrote:
 >  <...>
 >  
 >  I'm not realy confirm with the multi-thread implementation in the 
 >  NetBSD-kernel. But I looks to me that the problem is bound to some 
 >  aspects of parallel work on multiple threads.
 >  There has been no problem up to now if we run the backup of all systems 
 >  and filesystems sequential, but this is not even a sollution for a work 
 >  around, because that takes too much time ....
 
 Do you have a possibility to try to reproduce this on NetBSD 5.x?
 The 5.x and newer are fundamentally different in respect to SMP.
 
 -- 
 Mindaugas