On 04/13/2013 04:58 PM, Dave Jones wrote: > ok, all 4 children are stuck sleeping. it would be interesting to get sysrq-T backtraces of those to see where > they're sleeping. Well, changing the directory perms doesn't help always, now I've this situation : # ps axf | grep trinity | grep -v grep 904 ? Ss 0:00 | \_ bash -c pkill -9 trinity; cd ~; T=/mnt/n22/v/victims; mkdir -p $T; for i in $(seq -w 1 100); do touch $T/f$i; mkdir $T/d$i; done; cd $T/../; trinity --children 4 --victims $T -x mremap -q 1109 ? S 0:00 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1110 ? S 0:01 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1111 ? R 19:08 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1287 ? SNL 0:00 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1291 ? SN 0:00 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1300 ? SN 0:00 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q 1301 ? S 0:05 | \_ trinity --children 4 --victims /mnt/n22/v/victims -x mremap -q and an tail -f at the logfiles shows no activity : ... id=0x40371000m, egid=0m, sgid=0x80c4000ge_zeros]= -1 (Bad address)[1291] [242] pread64=uf=0x80ca000ge_rand]ount=0m, pos=682ae8am) = 0[1291] [243] getitimerich=75ac268m, value=126m) = -1 (Invalid argument)[1291] [244] readahead=[0m, offset=660ca5bm, count=219m) = -1 (Invalid argument)[1291] [245] fchown16=ser=0000m, group=[0m= -1 (Operation not permitted)[1291] [246] fanotify_marknotify_fd=lags=62m, mask=58m, dfd=athname=""= -1 (Invalid argument)[1291] [247] getdents=irent=4m, count=4095m) = -1 (Not a directory)[1291] [248] getcwdf=4097m, size=0m) = -1 (Numerical result out of range)tail: unrecognized file system type 0x00c0ffee for ‘/mnt/n22/v/trinity-child3.log’. please report this to bug-coreutils@xxxxxxx. reverting to polling ==> /mnt/n22/v/trinity.log <== [1111] Random reseed: 1226440414 [1111] Random reseed: 1856582971 [1111] Random reseed: 1841156799 [watchdog] pid 1257 hasn't made progress in 30 seconds! (last:1365871959 now:1365871989 diff:30). Stuck in syscall 267:clock_nanosleep. Sending SIGKILL. [1111] Random reseed: 2124266190 [1111] Random reseed: 775945931 [1111] Random reseed: 725547373 [1111] Random reseed: 2055143371 [1111] Regenerating random pages, fd's etc. [watchdog] Triggering periodic reseed. tail: unrecognized file system type 0x00c0ffee for ‘/mnt/n22/v/trinity.log’. please report this to bug-coreutils@xxxxxxx. reverting to polling The sysrq-t gives : 2013-04-13T19:10:22.416+02:00 trinity kernel: 2013-04-13T19:10:22.416+02:00 trinity kernel: trinity S 40001282 0 1109 904 0x00000000 2013-04-13T19:10:22.416+02:00 trinity kernel: 3ff876ac 00000001 00000000 3fd3bdd8 0806194f 3ff87c6c 3ff876ac 3fd38000 2013-04-13T19:10:22.416+02:00 trinity kernel: 080a50a0 3fd3be04 083710dc 3ff877c0 3ff87200 00000001 400f1f10 3ff87200 2013-04-13T19:10:22.416+02:00 trinity kernel: 3fd38000 3ff877b8 3fd3be54 3ff878bc 3fd3be18 08371175 3ff87200 3fd3be54 3fd3bdc4: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.416+02:00 trinity kernel: 3fd3bddc: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3be08: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3be1c: [<080838d6>] do_wait+0x186/0x220 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3be48: [<080848ce>] sys_wait4+0xae/0xd0 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3be94: [<08084917>] sys_waitpid+0x27/0x30 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3beac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3bef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3bfec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.418+02:00 trinity kernel: 3fd3bffc: [<00000000>] 0x0 2013-04-13T19:10:22.418+02:00 trinity kernel: 2013-04-13T19:10:22.418+02:00 trinity kernel: trinity-watchdo S 40001282 0 1110 1109 0x00000000 2013-04-13T19:10:22.421+02:00 trinity kernel: 4107b06c 00000001 00000000 3fc7bdac 0806194f 3ff5052c 4107b06c 3fc78000 2013-04-13T19:10:22.421+02:00 trinity kernel: 080a50a0 3fc7bdd8 083710dc 3ff50080 4107abc0 00000001 00000000 3fc7be48 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc78000 3ff50080 3fc7be48 00000001 3fc7bdec 08371175 0000c350 00000001 3fc7bd98: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7bdb0: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7bddc: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7bdf0: [<083706c4>] do_nanosleep+0xb4/0x110 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7be24: [<0809e0d8>] hrtimer_nanosleep+0xc8/0x140 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7be88: [<0809e1b7>] sys_nanosleep+0x67/0x70 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7beac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.421+02:00 trinity kernel: 3fc7bef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.424+02:00 trinity kernel: 3fc7bfec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.424+02:00 trinity kernel: 3fc7bffc: [<00000000>] 0x0 2013-04-13T19:10:22.424+02:00 trinity kernel: 2013-04-13T19:10:22.424+02:00 trinity kernel: trinity-main R running 0 1111 1109 0x00000000 2013-04-13T19:10:22.424+02:00 trinity kernel: 0843f6b4 00000457 00000455 00000000 00000000 3ff87200 0843f6e8 080a39bf 2013-04-13T19:10:22.424+02:00 trinity kernel: 3ff87200 3ff872ac 00000074 0845f1e4 00000000 0843f6f4 0827d0b2 00000000 2013-04-13T19:10:22.424+02:00 trinity kernel: 0843f718 0827d3f6 00000074 084038f2 00000001 01000000 08501c80 0806ad50 0843f688: [<08062ccf>] show_stack+0xcf/0x100 2013-04-13T19:10:22.424+02:00 trinity kernel: 0843f6ac: [<080a3920>] sched_show_task+0xc0/0x120 2013-04-13T19:10:22.424+02:00 trinity kernel: 0843f6d0: [<080a39bf>] show_state_filter+0x3f/0x80 2013-04-13T19:10:22.424+02:00 trinity kernel: 0843f6ec: [<0827d0b2>] sysrq_handle_showstate+0x12/0x20 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f6f8: [<0827d3f6>] __handle_sysrq+0xa6/0x150 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f71c: [<0827d57c>] handle_sysrq+0x2c/0x30 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f72c: [<0806ad64>] sysrq_proc+0x14/0x20 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f738: [<0806a971>] with_console+0x51/0xc0 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f770: [<0806ad14>] mconsole_sysrq+0x64/0x70 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f790: [<0806a70e>] mconsole_interrupt+0x2e/0x100 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f7b4: [<080c4c8f>] handle_irq_event_percpu+0x2f/0x150 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f7e4: [<080c4dd7>] handle_irq_event+0x27/0x40 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f7f8: [<080c70b0>] handle_edge_irq+0xd0/0x100 2013-04-13T19:10:22.427+02:00 trinity kernel: 0843f808: [<080c4648>] generic_handle_irq+0x28/0x30 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843f818: [<08060e55>] do_IRQ+0x25/0x40 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843f828: [<08060ed5>] sigio_handler+0x65/0x80 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843f840: [<08073a28>] sig_handler_common+0xb8/0xe0 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843fac4: [<08073b6d>] sig_handler+0x3d/0x50 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843fad4: [<080736bb>] hard_handler+0x6b/0xa0 2013-04-13T19:10:22.508+02:00 trinity kernel: 0843fafc: [<b772040c>] 0xb772040c 2013-04-13T19:10:22.508+02:00 trinity kernel: 2013-04-13T19:10:22.508+02:00 trinity kernel: trinity-child0 S 40001282 0 1287 1111 0x00000000 2013-04-13T19:10:22.508+02:00 trinity kernel: 4107b06c 00000001 00000000 4133fd34 0806194f 3ff870ec 4107b06c 4133c000 2013-04-13T19:10:22.508+02:00 trinity kernel: 080a50a0 4133fd60 083710dc 3ff86c40 4107abc0 00000001 11e1a378 00000000 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133c000 00000000 4133fd98 4133fe18 4133fd74 08371175 00000000 4133fd98 4133fd20: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fd38: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fd64: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fd78: [<0809bf45>] do_cpu_nanosleep+0x105/0x1b0 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fe2c: [<0809c112>] posix_cpu_nsleep+0x62/0x110 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fe68: [<0809c1e7>] process_cpu_nsleep+0x27/0x30 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fe80: [<08099be8>] sys_clock_nanosleep+0xc8/0xd0 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133feac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133fef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.520+02:00 trinity kernel: 4133ffec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.531+02:00 trinity kernel: 4133fffc: [<00000000>] 0x0 2013-04-13T19:10:22.531+02:00 trinity kernel: 2013-04-13T19:10:22.531+02:00 trinity kernel: trinity-child3 S 40001282 0 1291 1111 0x00000000 2013-04-13T19:10:22.531+02:00 trinity kernel: 3ff870ec 00000001 00000000 41437cc4 0806194f 41264b2c 3ff870ec 41434000 2013-04-13T19:10:22.531+02:00 trinity kernel: 080a50a0 41437cf0 083710dc 41264680 3ff86c40 00000001 41437cf0 3ff86c40 2013-04-13T19:10:22.531+02:00 trinity kernel: 41434000 41437d7c 00000000 41437d88 41437d04 08371175 41437d7c 00000000 41437cb0: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.531+02:00 trinity kernel: 41437cc8: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.531+02:00 trinity kernel: 41437cf4: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.531+02:00 trinity kernel: 41437d08: [<080af449>] futex_wait_queue_me+0xe9/0x110 2013-04-13T19:10:22.531+02:00 trinity kernel: 41437d3c: [<080afca0>] futex_wait+0x160/0x2b0 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437df8: [<080b1619>] do_futex+0xa9/0x6e0 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437e64: [<080b1d71>] sys_futex+0x121/0x140 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437eac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437ef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437fec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.542+02:00 trinity kernel: 41437ffc: [<00000000>] 0x0 2013-04-13T19:10:22.542+02:00 trinity kernel: 2013-04-13T19:10:22.542+02:00 trinity kernel: trinity-child2 S 40001282 0 1300 1111 0x00000000 2013-04-13T19:10:22.542+02:00 trinity kernel: 3ff876ac 00000001 00000000 41113dac 0806194f 3ff50aec 3ff876ac 41110000 2013-04-13T19:10:22.542+02:00 trinity kernel: 080a50a0 41113dd8 083710dc 3ff50640 3ff87200 00000001 00000000 3ff87200 2013-04-13T19:10:22.550+02:00 trinity kernel: 41110000 3ff50640 41113e48 00000001 41113dec 08371175 0000c350 00000001 41113d98: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113db0: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113ddc: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113df0: [<083706c4>] do_nanosleep+0xb4/0x110 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113e24: [<0809e0d8>] hrtimer_nanosleep+0xc8/0x140 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113e88: [<0809e1b7>] sys_nanosleep+0x67/0x70 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113eac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113ef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113fec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.550+02:00 trinity kernel: 41113ffc: [<00000000>] 0x0 2013-04-13T19:10:22.554+02:00 trinity kernel: 2013-04-13T19:10:22.554+02:00 trinity kernel: trinity-child1 S 40001282 0 1301 1111 0x00000000 2013-04-13T19:10:22.554+02:00 trinity kernel: 3ff876ac 00000001 00000000 41433dac 0806194f 41265c6c 3ff876ac 41430000 2013-04-13T19:10:22.554+02:00 trinity kernel: 080a50a0 41433dd8 083710dc 412657c0 3ff87200 00000001 00000000 3ff87200 2013-04-13T19:10:22.554+02:00 trinity kernel: 41430000 412657c0 41433e48 00000001 41433dec 08371175 0000c350 00000001 41433d98: [<0806194f>] __switch_to+0x5f/0x100 2013-04-13T19:10:22.554+02:00 trinity kernel: 41433db0: [<083710dc>] __schedule+0x2cc/0x310 2013-04-13T19:10:22.554+02:00 trinity kernel: 41433ddc: [<08371175>] schedule+0x55/0x60 2013-04-13T19:10:22.554+02:00 trinity kernel: 41433df0: [<083706c4>] do_nanosleep+0xb4/0x110 2013-04-13T19:10:22.554+02:00 trinity kernel: 41433e24: [<0809e0d8>] hrtimer_nanosleep+0xc8/0x140 2013-04-13T19:10:22.554+02:00 trinity kernel: 41433e88: [<0809e1b7>] sys_nanosleep+0x67/0x70 2013-04-13T19:10:22.559+02:00 trinity kernel: 41433eac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-13T19:10:22.559+02:00 trinity kernel: 41433ef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-13T19:10:22.559+02:00 trinity kernel: 41433fec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-13T19:10:22.559+02:00 trinity kernel: 41433ffc: [<00000000>] 0x0 -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html