[Bug 282713] Process enters in STOP state and doesn't respond to any signal.
Date: Thu, 14 Nov 2024 14:35:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282713 --- Comment #4 from Rupesh Pilania <rupeshpilania@gmail.com> --- There are around 10 processes which waits in umtxqb. Adding reference for two. ./procstat -kk 3821 PID TID COMM TDNAME KSTACK 3821 100260 process1 - mi_switch+0xc1 thread_suspend_switch+0xc0 thread_single+0x69c exit1+0xc1 sigexit+0x133 postsig+0x251 kern_sigsuspend+0x2b7 sys_sigsuspend+0x31 amd64_syscall+0x741 fast_syscall_common+0xf8 3821 100617 process1 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 3821 100633 process1 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 ./procstat -kk 4065 PID TID COMM TDNAME KSTACK 4065 100388 process2 - mi_switch+0xc1 thread_suspend_switch+0xc0 thread_single+0x69c exit1+0xc1 sigexit+0x133 postsig+0x251 kern_sigsuspend+0x2b7 sys_sigsuspend+0x31 amd64_syscall+0x741 fast_syscall_common+0xf8 4065 100872 process2 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 4065 100876 process2 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 4065 647181 process2 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 4065 648097 process2 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 4065 652349 process2 - mi_switch+0xc1 _sleep+0x1cb __umtx_op_sem2_wait+0x287 sys__umtx_op+0x7a amd64_syscall+0x741 fast_syscall_common+0xf8 ./procstat -t 3821 PID TID COMM TDNAME CPU PRI STATE WCHAN 3821 100260 process1 - -1 120 stop - 3821 100617 process1 - -1 120 stop umtxqb 3821 100633 process1 - -1 120 stop umtxqb ./procstat -t 4065 PID TID COMM TDNAME CPU PRI STATE WCHAN 4065 100388 process2 - -1 120 stop - 4065 100872 process2 - -1 122 stop umtxqb 4065 100876 process2 - -1 121 stop umtxqb 4065 647181 process2 - -1 121 stop umtxqb 4065 648097 process2 - -1 122 stop umtxqb 4065 652349 process2 - -1 120 stop umtxqb -- You are receiving this mail because: You are the assignee for the bug.