linux-kernel - Re: perf list segfaults on the v4.4-rc8 (bisect log added)

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Message-ID: <20160108220154.GB17012@linux.vnet.ibm.com>
Date:	Sat, 9 Jan 2016 03:31:54 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alexei Starovoitov <ast@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Subject: Re: perf list segfaults on the v4.4-rc8 (bisect log added)

> > With latest mainline perf, perf list results in a Segmentation fault on
> > a powerpc machine.
> > 
> > $ ./perf list
> > Segmentation fault (core dumped)
> > $
> ..
> > Attached is the patch that causes this issue for quick reference.
> > 
> > From a43eec304259a6c637f4014a6d4767159b6a3aa3 Mon Sep 17 00:00:00 2001
> > From: Alexei Starovoitov <ast@...mgrid.com>
> > Date: Tue, 20 Oct 2015 20:02:34 -0700
> > Subject: [PATCH] bpf: introduce bpf_perf_event_output() helper
> 
> https://lkml.org/lkml/2016/1/8/330
> this pull req contains the fix.
> Pls double check.
> 

Yes, this fixes the problem.

-- 
Thanks and Regards
Srikar Dronamraju