[Bug 282713] Process enters in STOP state and doesn't respond to any signal.
Date: Fri, 22 Nov 2024 10:29:09 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282713 --- Comment #11 from Rupesh Pilania <rupeshpilania@gmail.com> --- PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1214 root 1 102 0 146M 109M CPU6 6 936:26 99.78% parent-process ./procstat -t 1214 PID TID COMM TDNAME CPU PRI STATE WCHAN 1214 100136 heimdall - 6 202 run - ./procstat -k 1214 PID TID COMM TDNAME KSTACK 1214 100136 heimdall - <running> ./procstat -kk 1214 PID TID COMM TDNAME KSTACK 1214 100136 heimdall - <running> All child processes stucks at umtxqb if we are trying to kill. PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1214 root 1 102 0 146M 109M CPU6 6 936:26 99.78% parent-process ./procstat -t 1214 PID TID COMM TDNAME CPU PRI STATE WCHAN 1214 100136 heimdall - 6 202 run - ./procstat -k 1214 PID TID COMM TDNAME KSTACK 1214 100136 heimdall - <running> ./procstat -kk 1214 PID TID COMM TDNAME KSTACK 1214 100136 heimdall - <running> dut-c600v-02:rtestuser 20] ./procstat -t 2803 PID TID COMM TDNAME CPU PRI STATE WCHAN 2803 100353 child-1 - -1 120 stop - 2803 100515 child-1 - -1 120 stop - 2803 100516 child-1 - -1 152 stop sbwait 2803 100519 child-1 - -1 120 stop usem 2803 100520 child-1 - -1 120 stop usem 2803 100524 child-1 - -1 120 stop usem 2803 100526 child-1 - -1 120 stop usem 2803 100532 child-1 - -1 120 stop usem 2803 100533 child-1 - -1 120 stop usem 2803 100534 child-1 - -1 120 stop usem 2803 100535 child-1 - -1 120 stop usem 2803 100536 child-1 - -1 120 stop umtxqb 2803 100537 child-1 - -1 120 stop usem 2803 100540 child-1 - -1 120 stop usem 2803 100541 child-1 - -1 120 stop usem 2803 100543 child-1 - -1 120 stop usem 2803 100544 child-1 - -1 120 stop usem 2803 100552 child-1 - -1 120 stop usem 2803 100553 child-1 - -1 120 stop usem 2803 100555 child-1 - -1 120 stop usem 2803 100561 child-1 - -1 120 stop usem 2803 100562 child-1 - -1 120 stop usem 2803 100563 child-1 - -1 120 stop usem 2803 100564 child-1 - -1 120 stop usem 2803 100565 child-1 - -1 120 stop usem 2803 100568 child-1 - -1 120 stop usem 2803 100570 child-1 - -1 120 stop usem 2803 100572 child-1 - -1 120 stop usem 2803 100581 child-1 - -1 120 stop usem 2803 100582 child-1 - -1 120 stop usem 2803 100583 child-1 - -1 120 stop usem 2803 100610 child-1 - -1 120 stop usem 2803 100615 child-1 - -1 120 stop usem 2803 100616 child-1 - -1 120 stop - 2803 100756 child-1 - -1 120 stop - 2803 100921 child-1 - -1 120 stop sbwait 2803 100922 child-1 - -1 120 stop uwait 2803 100923 child-1 - -1 120 stop uwait 2803 100924 child-1 - -1 120 stop - 2803 100925 child-1 - -1 120 stop - 2803 100930 child-1 - -1 120 stop uwait 2803 101143 child-1 - -1 120 stop sbwait 2803 102579 child-1 - -1 120 stop uwait 2803 394294 child-1 - -1 120 stop uwait 2803 577659 child-1 - -1 120 stop usem dut-c600v-02:rtestuser 21] dut-c600v-02:rtestuser 21] ./procstat -kk 2803 PID TID COMM TDNAME KSTACK 2803 100353 child-1 - mi_switch+0xc1 thread_suspend_check+0x260 exit1+0xaa sigexit+0x133 postsig+0x251 kern_sigsuspend+0x2b7 sys_sigsuspend+0x31 amd64_syscall+0x741 fast_syscall_common+0xf8 2803 100515 child-1 - mi_switch+0xc1 thread_suspend_switch+0xc0 cursig+0x651 ast+0x2df doreti_ast+0x1f 2803 100516 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be sbwait+0x4c soreceive_generic+0x307 soreceive+0x44 kern_recvit+0x1ba sys_recvfrom+0x86 amd64_syscall+0x741 fast_syscall_common+0xf8 2803 100519 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 __umtx_op_sem2_wait+0x6f8 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 100520 child-1 - 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mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 do_wait+0x41c __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 100923 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 do_wait+0x41c __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 100924 child-1 - mi_switch+0xc1 thread_suspend_check+0x260 ast+0x376 doreti_ast+0x1f 2803 100925 child-1 - mi_switch+0xc1 thread_suspend_check+0x260 ast+0x376 doreti_ast+0x1f 2803 100930 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 do_wait+0x41c __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 101143 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be sbwait+0x4c soreceive_generic+0x307 soreceive+0x44 kern_recvit+0x1ba sys_recvfrom+0x86 amd64_syscall+0x741 fast_syscall_common+0xf8 2803 102579 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 do_wait+0x41c __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 394294 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 do_wait+0x41c __umtx_op_wait_uint_private+0x54 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 2803 577659 child-1 - mi_switch+0xc1 sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be umtxq_sleep+0x132 __umtx_op_sem2_wait+0x6f8 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 We didn't tried killing the parent. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200992 Comment10. Lokks like hitting hypervisor issue. -- You are receiving this mail because: You are the assignee for the bug.