On Thu, Jan 22, 2015 at 03:05:17PM -0800, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > The mm-of-the-moment snapshot 2015-01-22-15-04 has been uploaded to > > http://www.ozlabs.org/~akpm/mmotm/ > qemu:sh fails to shut down. bisect log: # bad: [03586ad04b2170ee816e6936981cc7cd2aeba129] pci: test for unexpectedly disabled bridges # good: [ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc] Linux 3.19-rc5 git bisect start 'HEAD' 'v3.19-rc5' # bad: [d113ba21d15c7d3615fd88490d1197615bb39fc0] mm: remove lock validation check for MADV_FREE git bisect bad d113ba21d15c7d3615fd88490d1197615bb39fc0 # good: [17351d1625a5030fa16f1346b77064c03b51f107] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags git bisect good 17351d1625a5030fa16f1346b77064c03b51f107 # good: [ad18ad1fce6f241a9cbd4adfd6b16c9283181e39] memcg: add BUILD_BUG_ON() for string tables git bisect good ad18ad1fce6f241a9cbd4adfd6b16c9283181e39 # bad: [aa7e7cbfa43b74f6faef04ff730b5098544a4f77] mm/compaction: enhance tracepoint output for compaction begin/end git bisect bad aa7e7cbfa43b74f6faef04ff730b5098544a4f77 # good: [a40d0d2cf21e2714e9a6c842085148c938bf36ab] mm: memcontrol: remove unnecessary soft limit tree node test git bisect good a40d0d2cf21e2714e9a6c842085148c938bf36ab # good: [4ec4aa2e07c1d6eee61f6cace29401c6febcb6c5] mm: make FIRST_USER_ADDRESS unsigned long on all archs git bisect good 4ec4aa2e07c1d6eee61f6cace29401c6febcb6c5 # bad: [22310c209483224a64436a6e815a86feda681659] mm: account pmd page tables to the process git bisect bad 22310c209483224a64436a6e815a86feda681659 # good: [19a41261b1dcd8d12372d9c57c2035144608a599] arm: define __PAGETABLE_PMD_FOLDED for !LPAE git bisect good 19a41261b1dcd8d12372d9c57c2035144608a599 # first bad commit: [22310c209483224a64436a6e815a86feda681659] mm: account pmd page tables to the process --- qemu:microblaze generates warnings to the console. WARNING: CPU: 0 PID: 32 at mm/mmap.c:2858 exit_mmap+0x184/0x1a4() with various call stacks. See http://server.roeck-us.net:8010/builders/qemu-microblaze-mmotm/builds/15/steps/qemubuildcommand/logs/stdio for details. bisect log: # bad: [03586ad04b2170ee816e6936981cc7cd2aeba129] pci: test for unexpectedly disabled bridges # good: [ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc] Linux 3.19-rc5 git bisect start 'HEAD' 'v3.19-rc5' # bad: [d113ba21d15c7d3615fd88490d1197615bb39fc0] mm: remove lock validation check for MADV_FREE git bisect bad d113ba21d15c7d3615fd88490d1197615bb39fc0 # good: [17351d1625a5030fa16f1346b77064c03b51f107] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags git bisect good 17351d1625a5030fa16f1346b77064c03b51f107 # good: [ad18ad1fce6f241a9cbd4adfd6b16c9283181e39] memcg: add BUILD_BUG_ON() for string tables git bisect good ad18ad1fce6f241a9cbd4adfd6b16c9283181e39 # bad: [aa7e7cbfa43b74f6faef04ff730b5098544a4f77] mm/compaction: enhance tracepoint output for compaction begin/end git bisect bad aa7e7cbfa43b74f6faef04ff730b5098544a4f77 # good: [a40d0d2cf21e2714e9a6c842085148c938bf36ab] mm: memcontrol: remove unnecessary soft limit tree node test git bisect good a40d0d2cf21e2714e9a6c842085148c938bf36ab # good: [4ec4aa2e07c1d6eee61f6cace29401c6febcb6c5] mm: make FIRST_USER_ADDRESS unsigned long on all archs git bisect good 4ec4aa2e07c1d6eee61f6cace29401c6febcb6c5 # bad: [22310c209483224a64436a6e815a86feda681659] mm: account pmd page tables to the process git bisect bad 22310c209483224a64436a6e815a86feda681659 # good: [19a41261b1dcd8d12372d9c57c2035144608a599] arm: define __PAGETABLE_PMD_FOLDED for !LPAE git bisect good 19a41261b1dcd8d12372d9c57c2035144608a599 # first bad commit: [22310c209483224a64436a6e815a86feda681659] mm: account pmd page tables to the process If there is anything I can do to help debugging, please let me know. Guenter -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>