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f6f9a97627
The lost-progress bug occurred when two simultanous read() calls fetched different segments, and the first one failed (due to corruption, or the other bugs in #1154): the second read() would never complete. While in this state, cancelling the second read by having its consumer call stopProducing) would trigger the cancel-intolerance bug. Finally, in downloader.node.Cancel, prevent late cancels by adding an 'active' flag
=============================== Tahoe-LAFS =============================== Tahoe-LAFS is a Free Software/Open Source decentralized data store. It distributes your filesystem across multiple servers, and even if some of the servers fail or are taken over by an attacker, the entire filesystem continues to work correctly and to preserve your privacy and security. To get started please see `quickstart.html`_. LICENCE ======= You may use this package under the GNU General Public License, version 2 or, at your option, any later version. You may use this package under the Transitive Grace Period Public Licence, version 1.0, or at your option, any later version. (You may choose to use this package under the terms of either licence, at your option.) See the file `COPYING.GPL`_ for the terms of the GNU General Public License, version 2. See the file `COPYING.TGPPL.html`_ for the terms of the Transitive Grace Period Public Licence, version 1.0. See `TGPPL.PDF`_ for why the TGPPL exists, graphically illustrated on three slides. .. _quickstart.html: http://allmydata.org/source/tahoe-lafs/trunk/docs/quickstart.html .. _COPYING.GPL: http://tahoe-lafs.org/trac/dupfilefind/browser/COPYING.GPL .. _COPYING.TGPPL.html: http://tahoe-lafs.org/source/dupfilefind/trunk/COPYING.TGPPL.html .. _TGPPL.PDF: http://tahoe-lafs.org/~zooko/tgppl.pdf