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bug#7489: [coreutils] over aggressive threads in sort

From: Paul Eggert
Subject: bug#7489: [coreutils] over aggressive threads in sort
Date: Sun, 05 Dec 2010 23:01:27 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

On 12/05/2010 09:16 PM, Chen Guo wrote:
> Before saying anything else, I should note that for mutexes, on 4
> threads 20% of the time there's a segfault on a seemingly innocuous
> line in queue_insert ():
>   node->queued = true

It does sound like mutexes are the way to go, and that this bug
needs to be fixed.  I assume that this is the call to queue_insert
from queue_check_insert_parent?  What's the backtrace?  (And
what patch are you using, to get mutexes?)

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