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Re: kern/43199: read(2) returns bad size in multithreaded programs
The following reply was made to PR kern/43199; it has been noted by GNATS.
From: Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>
To: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>
Cc: Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>,
Subject: Re: kern/43199: read(2) returns bad size in multithreaded programs
Date: Wed, 28 Apr 2010 13:50:17 +0200
it would be possible to try it on 5.x, but that will take some time,
because I have to reinstall the system and it is dooing some other
productive things for us ...
I will come back with the results as soon as I can - I think something
around two or three weeks - I'm very busy at the moment ...
Mindaugas Rasiukevicius wrote:
> Wolfgang Stukenbrock <Wolfgang.Stukenbrock%nagler-company.com@localhost>
>> 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.
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