Added a comment

1 files changed, 261 insertions, 0 deletions

diff --git a/doc/bugs/git-annex_on_NAS_eats_all_memory/comment_8_3cd2c0ce36a85ad05c5ee7cd63ef98cd._comment b/doc/bugs/git-annex_on_NAS_eats_all_memory/comment_8_3cd2c0ce36a85ad05c5ee7cd63ef98cd._comment
new file mode 100644
index 000000000..4a94065a5
--- /dev/null
+++ b/doc/bugs/git-annex_on_NAS_eats_all_memory/comment_8_3cd2c0ce36a85ad05c5ee7cd63ef98cd._comment
@@ -0,0 +1,261 @@
+[[!comment format=mdwn
+ username="https://www.google.com/accounts/o8/id?id=AItOawlmLuHhscJsoAqb9q0N3LdtHum6LjY1LK4"
+ nickname="Markus"
+ subject="comment 8"
+ date="2015-02-18T12:14:26Z"
+ content="""
+I diffed the strace when running locally and per git-annex sync:
+The traces are 100% equal for the first ~480 calls and then they start to differ:
+
+git annex sync from laptop:
+
+mprotect(0x2b1e2000, 8192, PROT_READ)   = 0
+mprotect(0x2aafb000, 4096, PROT_READ)   = 0
+mprotect(0x2b24e000, 4096, PROT_READ)   = 0
+mprotect(0x2aca5000, 4096, PROT_READ)   = 0
+mprotect(0x2ad6d000, 4096, PROT_READ)   = 0
+mprotect(0x2b21f000, 4096, PROT_READ)   = 0
+mprotect(0x2acdd000, 4096, PROT_READ)   = 0
+mprotect(0x2ac24000, 4096, PROT_READ)   = 0
+mprotect(0x2aae5000, 4096, PROT_READ)   = 0
+mprotect(0x2ad27000, 20480, PROT_READ)  = 0
+mprotect(0x2acbd000, 4096, PROT_READ)   = 0
+mprotect(0x2b0a0000, 4096, PROT_READ)   = 0
+mprotect(0x2ab55000, 4096, PROT_READ)   = 0
+mprotect(0x2aacd000, 4096, PROT_READ)   = 0
+mprotect(0x2ab32000, 4096, PROT_READ)   = 0
+mprotect(0x2afeb000, 16384, PROT_READ)  = 0
+mprotect(0x2aeaf000, 20480, PROT_READ)  = 0
+mprotect(0x2abfd000, 4096, PROT_READ)   = 0
+mprotect(0x2ada4000, 4096, PROT_READ)   = 0
+mprotect(0x2abbc000, 4096, PROT_READ)   = 0
+set_tid_address(0x2ac28068)             = 18015
+set_robust_list(0x2ac28070, 0xc)        = 0
+rt_sigaction(SIGRTMIN, {0x2ac04550, [], SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigaction(SIGRT_1, {0x2ac043e4, [], SA_RESTART|SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
+getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
+futex(0x2ad2cc44, FUTEX_WAKE_PRIVATE, 2147483647) = 0
+brk(0)                                  = 0x2bf15000
+brk(0x2bf36000)                         = 0x2bf36000
+open(\"/dev/urandom\", O_RDONLY|O_LARGEFILE) = 3
+fcntl64(3, F_GETFD)                     = 0
+fcntl64(3, F_SETFD, FD_CLOEXEC)         = 0
+fstat64(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0
+clock_gettime(CLOCK_REALTIME, {1424257023, 820788195}) = 0
+getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 20000}, ru_stime={0, 10000}, ...}) = 0
+read(3, \"yx$\17\207\4\364\233\366\361\210[,\334(\214\\"\343\226\2'd\303\24\306\254\323\363\2523\36\2\", 32) = 32
+read(3, \"\243e\370\36n\320@l\345\27\6/\323<U\240xM\221\2507m\24\31\200mI\355\0043*\375\", 32) = 32
+read(3, \">%5`2\355\355B\", 8)            = 8
+clock_getres(0x2 /* CLOCK_??? */, {0, 1}) = 0
+clock_gettime(0x2 /* CLOCK_??? */, {0, 44157400}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438775, 660164522}) = 0
+brk(0x2bf57000)                         = 0x2bf57000
+mmap2(NULL, 2097152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b250000
+munmap(0x2b250000, 720896)              = 0
+munmap(0x2b400000, 327680)              = 0
+timer_create(CLOCK_MONOTONIC, {0, SIGVTALRM, SIGEV_SIGNAL, {...}}, {0x1}) = 0
+rt_sigaction(SIGVTALRM, {0x3cc4e08, [], SA_RESTART|0x4000000}, NULL, 8) = 0
+timer_settime(0x1, 0, {it_interval={0, 10000000}, it_value={0, 10000000}}, NULL) = 0
+rt_sigaction(SIGINT, {0x3cce17c, [], 0x4000000 /* SA_??? */}, {SIG_DFL, [], 0}, 8) = 0
+rt_sigaction(SIGINT, NULL, {0x3cce17c, [], 0x4000000 /* SA_??? */}, 8) = 0
+rt_sigaction(SIGINT, {0x3cce17c, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+rt_sigaction(SIGPIPE, {0x3cce0b4, [], 0x4000000 /* SA_??? */}, {SIG_DFL, [], 0}, 8) = 0
+rt_sigaction(SIGTSTP, {0x3cce1c0, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+epoll_create(0x100)                     = 4
+fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
+pipe([5, 6])                            = 0
+fcntl64(6, F_GETFL)                     = 0x1 (flags O_WRONLY)
+fcntl64(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
+fcntl64(5, F_SETFD, FD_CLOEXEC)         = 0
+fcntl64(6, F_SETFD, FD_CLOEXEC)         = 0
+mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS|0x20000, -1, 0) = 0x2b400000
+mprotect(0x2b400000, 4096, PROT_NONE)   = 0
+clone(child_stack=0x2bbfef98, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x2bbff4c8, tls=0x2bbff920, child_tidptr=0x2bbff4c8) = 18039
+futex(0x2bf3aa6c, FUTEX_WAIT_PRIVATE, 1, NULL) = 0
+futex(0x2bf3aa98, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
+futex(0x2bf3aa98, FUTEX_WAKE_PRIVATE, 1) = 0
+futex(0x41981d0, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
+futex(0x41981d0, FUTEX_WAKE_PRIVATE, 1) = 0
+eventfd2(0, 0)                          = 7
+fcntl64(7, F_GETFL)                     = 0x2 (flags O_RDWR)
+fcntl64(7, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
+fcntl64(7, F_SETFD, FD_CLOEXEC)         = 0
+epoll_ctl(0x4, 0x1, 0x5, 0x2b304430)    = 0
+epoll_ctl(0x4, 0x1, 0x7, 0x2b304448)    = 0
+clock_gettime(0x2 /* CLOCK_??? */, {0, 46001320}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438775, 665190920}) = 0
+futex(0x2bf3aa6c, FUTEX_WAIT_PRIVATE, 3, NULL) = 0
+futex(0x2bf3aa98, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
+futex(0x2bf3aa98, FUTEX_WAKE_PRIVATE, 1) = 0
+futex(0x41981d0, FUTEX_WAIT_PRIVATE, 2, NULL) = 0
+futex(0x41981d0, FUTEX_WAKE_PRIVATE, 1) = 0
+rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
+rt_sigaction(SIGINT, {0x3cce0b8, [], SA_RESETHAND|SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+open(\"/usr/lib/arm-linux-gnueabi/gconv/gconv-modules.cache\", O_RDONLY) = -1 ENOENT (No such file or directory)
+open(\"/usr/lib/arm-linux-gnueabi/gconv/gconv-modules\", O_RDONLY|0x80000) = -1 ENOENT (No such file or directory)
+futex(0x2b1e4ef4, FUTEX_WAKE_PRIVATE, 2147483647) = 0
+--- SIGVTALRM (Virtual timer expired) @ 0 (0) ---
+sigreturn()                             = ? (mask now [TRAP FPE KILL SEGV USR2 TERM STKFLT CHLD CONT TSTP TTIN TTOU XCPU VTALRM WINCH PWR])
+--- SIGVTALRM (Virtual timer expired) @ 0 (0) ---
+sigreturn()                             = ? (mask now [TRAP FPE KILL SEGV USR2 TERM STKFLT CHLD CONT TSTP TTIN TTOU XCPU VTALRM WINCH PWR])
+--- SIGVTALRM (Virtual timer expired) @ 0 (0) ---
+sigreturn()                   
+
+looping endlessly from there on
+
+running on nas directly:
+mprotect(0x2b0dc000, 8192, PROT_READ)   = 0
+mprotect(0x2ae4a000, 4096, PROT_READ)   = 0
+mprotect(0x2b241000, 4096, PROT_READ)   = 0
+mprotect(0x2aee9000, 4096, PROT_READ)   = 0
+mprotect(0x2b19e000, 4096, PROT_READ)   = 0
+mprotect(0x2b1d7000, 4096, PROT_READ)   = 0
+mprotect(0x2b15c000, 4096, PROT_READ)   = 0
+mprotect(0x2ae71000, 4096, PROT_READ)   = 0
+mprotect(0x2ab70000, 4096, PROT_READ)   = 0
+mprotect(0x2b138000, 20480, PROT_READ)  = 0
+mprotect(0x2b0f8000, 4096, PROT_READ)   = 0
+mprotect(0x2af9a000, 4096, PROT_READ)   = 0
+mprotect(0x2ab57000, 4096, PROT_READ)   = 0
+mprotect(0x2ab3a000, 4096, PROT_READ)   = 0
+mprotect(0x2ab1b000, 4096, PROT_READ)   = 0
+mprotect(0x2ae33000, 16384, PROT_READ)  = 0
+mprotect(0x2acf7000, 20480, PROT_READ)  = 0
+mprotect(0x2abec000, 4096, PROT_READ)   = 0
+mprotect(0x2abab000, 4096, PROT_READ)   = 0
+mprotect(0x2aaf3000, 4096, PROT_READ)   = 0
+set_tid_address(0x2b2a8068)             = 18072
+set_robust_list(0x2b2a8070, 0xc)        = 0
+rt_sigaction(SIGRTMIN, {0x2ae51550, [], SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigaction(SIGRT_1, {0x2ae513e4, [], SA_RESTART|SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
+getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
+futex(0x2b13dc44, FUTEX_WAKE_PRIVATE, 2147483647) = 0
+brk(0)                                  = 0x2ca10000
+brk(0x2ca31000)                         = 0x2ca31000
+open(\"/dev/urandom\", O_RDONLY|O_LARGEFILE) = 3
+fcntl64(3, F_GETFD)                     = 0
+fcntl64(3, F_SETFD, FD_CLOEXEC)         = 0
+fstat64(3, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0
+clock_gettime(CLOCK_REALTIME, {1424257086, 456931329}) = 0
+getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 20000}, ru_stime={0, 0}, ...}) = 0
+read(3, \"l\36K\322\231Ud\302.\335\301dhC)A\260\374~\350\254\341-\267\215\300\313\334\215XqI\", 32) = 32
+read(3, \"\25017J\372\361^\374\254\347$\f=Ag)\10r\25\317r]\216\337G\371M\27\321\326\0(\", 32) = 32
+read(3, \"\245\271\251\373\270\350S1\", 8) = 8
+open(\"/usr/lib/locale/locale-archive\", O_RDONLY|O_LARGEFILE|0x80000) = 4
+fstat64(4, {st_mode=S_IFREG|0644, st_size=14362288, ...}) = 0
+mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 4, 0) = 0x2b36b000
+close(4)                                = 0
+clock_getres(0x2 /* CLOCK_??? */, {0, 1}) = 0
+clock_gettime(0x2 /* CLOCK_??? */, {0, 29204680}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438838, 301653485}) = 0
+brk(0x2ca52000)                         = 0x2ca52000
+mmap2(NULL, 2097152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b579000
+munmap(0x2b579000, 552960)              = 0
+munmap(0x2b700000, 495616)              = 0
+timer_create(CLOCK_MONOTONIC, {0, SIGVTALRM, SIGEV_SIGNAL, {...}}, {0x2}) = 0
+rt_sigaction(SIGVTALRM, {0x3cc4e08, [], SA_RESTART|0x4000000}, NULL, 8) = 0
+timer_settime(0x2, 0, {it_interval={0, 10000000}, it_value={0, 10000000}}, NULL) = 0
+rt_sigaction(SIGINT, {0x3cce17c, [], 0x4000000 /* SA_??? */}, {SIG_DFL, [], 0}, 8) = 0
+rt_sigaction(SIGINT, NULL, {0x3cce17c, [], 0x4000000 /* SA_??? */}, 8) = 0
+rt_sigaction(SIGINT, {0x3cce17c, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+rt_sigaction(SIGPIPE, {0x3cce0b4, [], 0x4000000 /* SA_??? */}, {SIG_DFL, [], 0}, 8) = 0
+rt_sigaction(SIGTSTP, {0x3cce1c0, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+epoll_create(0x100)                     = 4
+fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
+pipe([5, 6])                            = 0
+fcntl64(6, F_GETFL)                     = 0x1 (flags O_WRONLY)
+fcntl64(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
+fcntl64(5, F_SETFD, FD_CLOEXEC)         = 0
+fcntl64(6, F_SETFD, FD_CLOEXEC)         = 0
+mmap2(NULL, 8388608, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS|0x20000, -1, 0) = 0x2b700000
+mprotect(0x2b700000, 4096, PROT_NONE)   = 0
+clone(child_stack=0x2befef98, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x2beff4c8, tls=0x2beff920, child_tidptr=0x2beff4c8) = 18073
+futex(0x2ca36264, FUTEX_WAIT_PRIVATE, 1, NULL) = 0
+futex(0x2ca36290, FUTEX_WAKE_PRIVATE, 1) = 0
+eventfd2(0, 0)                          = 7
+fcntl64(7, F_GETFL)                     = 0x2 (flags O_RDWR)
+fcntl64(7, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
+fcntl64(7, F_SETFD, FD_CLOEXEC)         = 0
+epoll_ctl(0x4, 0x1, 0x5, 0x2b604430)    = 0
+epoll_ctl(0x4, 0x1, 0x7, 0x2b604448)    = 0
+futex(0x2ca36314, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x2ca36310, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
+clock_gettime(0x2 /* CLOCK_??? */, {0, 31248840}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438838, 311493486}) = 0
+futex(0x2ca36264, FUTEX_WAIT_PRIVATE, 3, NULL) = 0
+futex(0x2ca36290, FUTEX_WAKE_PRIVATE, 1) = 0
+rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
+rt_sigaction(SIGINT, {0x3cce0b8, [], SA_RESETHAND|SA_SIGINFO|0x4000000}, NULL, 8) = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
+stat64(\"/volume1/homes/admin/GitAnnex.git\", 0x2b604890) = -1 ENOENT (No such file or directory)
+getcwd(\"/volume1/homes/admin\", 4096)    = 21
+getcwd(\"/volume1/homes/admin\", 4096)    = 21
+getcwd(\"/volume1/homes/admin\", 4096)    = 21
+pipe([8, 9])                            = 0
+pipe([10, 11])                          = 0
+rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
+timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 0}}, NULL) = 0
+vfork()                                 = 18074
+close(9)                                = 0
+fcntl64(8, F_SETFD, FD_CLOEXEC)         = 0
+close(11)                               = 0
+fcntl64(10, F_SETFD, FD_CLOEXEC)        = 0
+read(10, \"\", 4)                         = 0
+close(10)                               = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+timer_settime(0x2, 0, {it_interval={0, 10000000}, it_value={0, 10000000}}, NULL) = 0
+fcntl64(8, F_GETFL)                     = 0 (flags O_RDONLY)
+fcntl64(8, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
+ioctl(8, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7ea3e7ac) = -1 EINVAL (Invalid argument)
+read(8, 0x2b6f1010, 8096)               = -1 EAGAIN (Resource temporarily unavailable)
+epoll_ctl(0x4, 0x1, 0x8, 0x2b604d0c)    = 0
+write(7, \"\1\0\0\0\0\0\0\0\", 8)         = 8
+futex(0x2ca36314, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x2ca36310, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
+futex(0x2ca36340, FUTEX_WAKE_PRIVATE, 1) = 1
+futex(0x41981d0, FUTEX_WAKE_PRIVATE, 1) = 1
+futex(0x2ca36264, FUTEX_WAIT_PRIVATE, 5, NULL) = ? ERESTARTSYS (To be restarted)
+--- SIGCHLD (Child exited) @ 0 (0) ---
+futex(0x2ca36264, FUTEX_WAIT_PRIVATE, 5, NULL) = -1 EAGAIN (Resource temporarily unavailable)
+futex(0x2ca36290, FUTEX_WAKE_PRIVATE, 1) = 0
+read(8, \"user.email\nbraun_markus@gmx.de\0u\"..., 8096) = 211
+read(8, \"\", 8096)                       = 0
+close(8)                                = 0
+wait4(18074, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 18074
+rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
+rt_sigaction(SIGINT, {SIG_DFL, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+select(2, [], [1], NULL, {0, 0})        = 1 (out [1], left {0, 0})
+write(1, \"annex.uuid=8d7304a1-6ea5-46cc-83\"..., 48) = 48
+select(2, [], [1], NULL, {0, 0})        = 1 (out [1], left {0, 0})
+write(1, \"core.gcrypt-id=\n\", 16)       = 16
+wait4(-1, 0x2b604f10, WNOHANG|WSTOPPED, NULL) = -1 ECHILD (No child processes)
+clock_gettime(0x2 /* CLOCK_??? */, {0, 36727080}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438838, 341180247}) = 0
+write(6, \"\376\", 1)                     = 1
+rt_sigprocmask(SIG_BLOCK, [], [], 8)    = 0
+clock_gettime(0x2 /* CLOCK_??? */, {0, 36947040}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438838, 341757433}) = 0
+clock_getres(0x3 /* CLOCK_??? */, {0, 1}) = 0
+clock_gettime(0x3 /* CLOCK_??? */, {0, 36313200}) = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+futex(0x2ca36314, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x2ca36310, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
+futex(0x2ca36340, FUTEX_WAKE_PRIVATE, 1) = 1
+futex(0x41981d0, FUTEX_WAKE_PRIVATE, 1) = 1
+timer_settime(0x2, 0, {it_interval={0, 0}, it_value={0, 0}}, NULL) = 0
+rt_sigaction(SIGVTALRM, {SIG_IGN, [], SA_INTERRUPT|SA_NODEFER|SA_RESETHAND|0x4000000}, {0x3cc4e08, [], SA_RESTART|0x4000000}, 8) = 0
+timer_delete(0x2)                       = 0
+rt_sigprocmask(SIG_BLOCK, [TTOU], [], 8) = 0
+rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
+rt_sigaction(SIGINT, {SIG_DFL, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+rt_sigaction(SIGPIPE, {SIG_DFL, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+rt_sigaction(SIGTSTP, {SIG_DFL, [], 0x4000000 /* SA_??? */}, NULL, 8) = 0
+clock_gettime(0x2 /* CLOCK_??? */, {0, 38184040}) = 0
+clock_gettime(CLOCK_MONOTONIC, {438838, 344573245}) = 0
+close(3)                                = 0
+exit_group(0)                           = ?
+
+it ends succesfully
+"""]]