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Message-ID: <20100329204931.GJ5101@nowhere> Date: Mon, 29 Mar 2010 22:49:33 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: David Miller <davem@...emloft.net> Cc: linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org Subject: Re: [BUG] fault while using perf callchains in sparc64 On Mon, Mar 29, 2010 at 01:09:31PM -0700, David Miller wrote: > From: Frederic Weisbecker <fweisbec@...il.com> > Date: Sun, 28 Mar 2010 06:34:49 +0200 > > > I get kernel crashes each time I use perf with callchains > > on sparc 64. > > > > It triggers with a simple: > > > > perf record -a -f -g sleep 1 > > This should fix it, thanks again. I merged your tree on latest -git and it works well. Thanks! Sorry, I have another bug report. While building perf tools, or the kernel, or whatever, I often get the following error in the middle: gcc: Internal error: Segmentation fault (program as) And this in the logs: [ 1429.477049] as[2658]: segfault at 4054dfa8 ip 0000000000020690 (rpc 00000000700adcf4) sp 00000000ffcbf008 error 30001 in as[10000+40000] My gcc / as and everything in userspace is 32 bits but the kernel is a 64. My config is the same as before. Again, tell me everything you need to help debugging this. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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