Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'subject:bug': 0.04; '3.x': 0.09; 'from:addr:python': 0.09; 'ioerror:': 0.09; 'error:': 0.12; 'server,': 0.12; 'subject:file': 0.14; 'wrote:': 0.14; '[errno': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:name:mrab': 0.16; 'furman': 0.16; 'message-id:@mrabarnett.plus.com': 0.16; 'received:84.92': 0.16; 'received:84.92.122': 0.16; 'received:84.92.122.60': 0.16; 'reply-to:addr:python-list': 0.16; 'succeeds,': 0.16; 'argument': 0.16; 'traceback': 0.16; '(most': 0.16; 'header:In-Reply-To:1': 0.21; 'fine': 0.22; 'last):': 0.23; 'produces': 0.23; 'invalid': 0.25; 'received:84': 0.25; 'windows': 0.26; '(both': 0.30; 'fails.': 0.30; 'to:addr:python-list': 0.33; 'file': 0.34; 'header:User-Agent:1': 0.35; '"",': 0.35; 'reply- to:addr:python.org': 0.35; 'test': 0.35; 'platform': 0.36; 'skip:o 20': 0.37; 'running': 0.37; 'but': 0.38; 'data': 0.38; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'worth': 0.60; 'subject:, ': 0.60; 'header:Reply-To:1': 0.72; 'reply-to:no real name:2**0': 0.72; '10mb': 0.84; 'pro,': 0.84 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgUIAFqm+03Unw4S/2dsb2JhbABSmAmOSHeIdb8ThicElj2LHw Date: Fri, 17 Jun 2011 20:13:35 +0100 From: MRAB User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: python-list@python.org Subject: Re: bug in large file writes, 2.x and 3.x References: <4DFBA4E9.9030908@stoneleaf.us> <4DFBA7D1.5030807@stoneleaf.us> In-Reply-To: <4DFBA7D1.5030807@stoneleaf.us> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: python-list@python.org List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 18 NNTP-Posting-Host: 82.94.164.166 X-Trace: 1308338023 news.xs4all.nl 49038 [::ffff:82.94.164.166]:40701 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:7847 On 17/06/2011 20:15, Ethan Furman wrote: > Ethan Furman wrote: >> Windows platform (XP Pro, SP2). >> >> This works fine on local drives, but on network (both 2003 Server, and >> Samba running on FreeBSD) the following produces an error: >> >> --> data = '?' * 119757831 # use b'?' if on 3.x >> --> test = open(r's:\junk.tst', 'wb') >> --> test.write(data) >> Traceback (most recent call last): >> File "", line 1, in >> IOError: [Errno 22] Invalid argument > > > Update: 10Mb worth of data succeeds, 50+Mb fails. What about around 2**24 bytes?