Date: Mon, 12 Oct 2015 10:44:20 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r289183 - user/pho/stress2/misc Message-ID: <201510121044.t9CAiKUd053756@repo.freebsd.org>
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Author: pho Date: Mon Oct 12 10:44:20 2015 New Revision: 289183 URL: https://svnweb.freebsd.org/changeset/base/289183 Log: Added problem found. Sponsored by: EMC / Isilon storage division Modified: user/pho/stress2/misc/datamove4.sh Modified: user/pho/stress2/misc/datamove4.sh ============================================================================== --- user/pho/stress2/misc/datamove4.sh Mon Oct 12 10:42:03 2015 (r289182) +++ user/pho/stress2/misc/datamove4.sh Mon Oct 12 10:44:20 2015 (r289183) @@ -30,6 +30,11 @@ # Variation of the datamove2.sh, using TMPFS # Deadlock seen +# https://people.freebsd.org/~pho/stress/log/datamove4.txt + +# panic: elf32_putnote: Note type 10 changed as we read it (2236 > 2220)... +# https://people.freebsd.org/~pho/stress/log/datamove4-2.txt +# Fixed by r288944. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 @@ -174,6 +179,11 @@ unmapBuffer(char *bufferp) { if (munmap(bufferp, pagesize * 2) == -1) err(1, "unmap 1. buffer"); + /* + The following unmaps something random, which could trigger: + Program received signal SIGSEGV, Segmentation fault. + free (cp=0x28070000) at /usr/src/libexec/rtld-elf/malloc.c:311 + */ if (munmap(bufferp + pagesize * 2, pagesize * 2) == -1) err(1, "unmap 2. buffer"); }
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