Messages in this thread | | | Date | Mon, 1 Feb 2016 10:17:10 +0800 | From | "Wangnan (F)" <> | Subject | Re: [PATCH 1/1] broken perf tool on 4.4-rc1 |
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On 2016/1/31 5:02, Tong Zhang wrote: > reproduce: > lzto@objd ~ $ ~/linux/tools/perf/perf record -I -e intel_pt/tsc=1,noretcomp=1/u /bin/ls > lzto@objd ~ $ ~/linux/tools/perf/perf script -F event,comm,pid,tid,time,addr,ip,sym,dso,iregs > Segmentation fault > lzto@objd ~ $ > > Upon further investigation, it seems that > commit 747a9b0a08ae ("Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") > breaks perf tool. > > __list_del(): tools/include/linux/list.h does not check null pointer dereference
I don't have a Boradwell system, unable to reproduce the fault.
Could you please give the output of gdb's bt command?
We should try to fix the inappropriate list operation.
Thank you.
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