[DragonFlyBSD - Bug #2441] rtorrent downloads broken, possibly related to recent mmap work

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Wed Mar 19 18:38:54 PDT 2014


Issue #2441 has been updated by t_dfbsd.


After beating on rtorrent a while, I'm happy to say that commit e3e69557a4979cb4d54d2361cc8a158eff082611 for pmap_mmu_optimize has significantly reduced this issue. Not 100% fixed, but a big improvement.

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Bug #2441: rtorrent downloads broken, possibly related to recent mmap work
http://bugs.dragonflybsd.org/issues/2441#change-11903

* Author: t_dfbsd
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Running DragonFly v3.3.0.165.gdc43b7-DEVELOPMENT, x86-64

Since upgrading to recent master, rtorrent downloads have been frequently failing with the message "hash check on download completion found bad chunks".  I've never that message from rtorrent before.  I tried setting  machdep.pmap_mmu_optimize=0 and the failures stopped. 



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