Date: Tue, 28 Mar 2017 10:54:46 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Steven Hartland <killing@multiplay.co.uk> Cc: "K. Macy" <kmacy@freebsd.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Help needed to identify golang fork / memory corruption issue on FreeBSD Message-ID: <20170328075446.GO43712@kib.kiev.ua> In-Reply-To: <a5c471ca-5b65-bb72-9ac3-ecd1010134c0@multiplay.co.uk> References: <CAHM0Q_Mg662u9D0KJ9knEWWqi9Ydy38qKDnjLt6XaS0ks%2B9-iw@mail.gmail.com> <18b40a69-4460-faf2-c0ce-7491eca92782@multiplay.co.uk> <20170317082333.GP16105@kib.kiev.ua> <180a601b-5481-bb41-f7fc-67976aabe451@multiplay.co.uk> <20170317124437.GR16105@kib.kiev.ua> <5ba92447-945e-6fea-ad4f-f58ac2a0012e@multiplay.co.uk> <20170327161833.GL43712@kib.kiev.ua> <3ec35a46-ae70-35cd-29f8-82e7cebb0eb6@multiplay.co.uk> <20170327164905.GN43712@kib.kiev.ua> <a5c471ca-5b65-bb72-9ac3-ecd1010134c0@multiplay.co.uk>
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On Mon, Mar 27, 2017 at 07:17:20PM +0100, Steven Hartland wrote: > Here's the output after its logged the errors. > > procstat -v 36159 > PID START END PRT RES PRES REF SHD FLAG > TP PATH > 36159 0x400000 0x70d000 r-x 308 588 3 1 CN-- vn > /root/golang/src/test5/test5 > 36159 0x70d000 0x94e000 r-- 248 588 3 1 CN-- vn > /root/golang/src/test5/test5 > 36159 0x94e000 0x985000 rw- 31 0 1 0 C--- vn > /root/golang/src/test5/test5 > 36159 0x985000 0x9a8000 rw- 18 18 1 0 C--- df > 36159 0x80094e000 0x8009ee000 rw- 35 35 1 0 C--- df > 36159 0x8009ee000 0x800abe000 rw- 28 28 1 0 C--- df > 36159 0x800abe000 0x800ace000 rw- 16 16 1 0 C--- df > 36159 0x800ace000 0x800b0e000 rw- 2 2 1 0 CN-- df > 36159 0x800b0e000 0x800b4e000 rw- 2 2 1 0 C--- df > 36159 0x800b4e000 0x800b8e000 rw- 2 2 1 0 C--- df > 36159 0x800b8e000 0x800c0e000 rw- 3 3 1 0 C--- df > 36159 0x800c0e000 0x800c4e000 rw- 2 2 1 0 C--- df > 36159 0x800c4e000 0x800c8e000 rw- 1 1 1 0 CN-- df > 36159 0x800c8e000 0x800cce000 rw- 1 1 1 0 C--- df > 36159 0x800cce000 0x800d0e000 rw- 1 1 1 0 CN-- df > 36159 0xc000000000 0xc000001000 rw- 1 1 1 0 CN-- df > 36159 0xc41fff0000 0xc41fff8000 rw- 3 3 1 0 CN-- df > 36159 0xc41fff8000 0xc420200000 rw- 258 258 1 0 C--- df > 36159 0x7ffffffdf000 0x7ffffffff000 rwx 2 2 1 0 C--D df > 36159 0x7ffffffff000 0x800000000000 r-x 1 1 38 0 ---- ph > > I've left it running in case you want any more info. At which address the word is located where an invalid value was detected ?
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