Date: Thu, 17 May 2012 17:09:55 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Chuck Burns <break19@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: Chrome crashing system (amd64-10.0-CURRENT) Message-ID: <4FB514C3.5020908@FreeBSD.org> In-Reply-To: <4FB4ED23.2040603@gmail.com> References: <20120517011554.5d16067e@serene.no-ip.org> <20120517071141.GL2701@thinkbsd.divinix.org> <4FB4ED23.2040603@gmail.com>
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On 2012-05-17 14:20, Chuck Burns wrote:> On 5/17/2012 2:11 AM, John Hixson wrote: >> On Thu, May 17, 2012 at 01:15:54AM -0500, Conrad J. Sabatier wrote: >>> For the last week or so, I've been unable to run chrome. Any attempt >>> to start it up will cause the system either to freeze up or reboot. >> >> To add to this, I've had the same problem on 10-CURRENT for several months >> now. > > Are you guys building ports with clang? There's a known bug with > google-perftools, when it's built with clang, chrome will crash upon launch. Please note the OP is talking about a complete system crash and/or restart, not just chrome itself crashing. > chrome itself can be built with any compiler, but if google-perftools is > built with clang, crash! > > http://code.google.com/p/gperftools/issues/detail?id=394 There seem to be several problems with gperftools; compiled with gcc 4.2.1, there are at least 3 failures in its test suite (of 40 tests). Compiled with gcc 4.7 it doesn't even compile, since it erroneously tries to use backtrace_symbols(), which we don't provide. Compiled with clang 3.1, there are 12 failures. I assume this is because it is doing all kinds of tricky things with threads and re-implementing Yet Another Malloc, which seems to be very hard, as recent experience with head has shown. :) In any case, a good start would be to attempt to diagnose all the test failures that occur with clang only, to see if they indicate a problem in gperftools or clang itself.
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