PID: 262415 TASK: ffff91561027a7c0 CPU: 3 COMMAND: "dd" #0 [ffffaa0cc362b448] machine_kexec at ffffffff9f2850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffaa0cc362b4a0] __crash_kexec at ffffffff9f43e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffaa0cc362b560] crash_kexec at ffffffff9f43fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffaa0cc362b578] oops_end at ffffffff9f237cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffaa0cc362b598] die_addr at ffffffff9f237f86 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 437 #5 [ffffaa0cc362b5c0] do_general_protection at ffffffff9f233128 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/traps.c: 663 #6 [ffffaa0cc362b650] general_protection at ffffffffa0200f5e /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1235 [exception RIP: free_cpga+117] RIP: ffffffffc133a6f5 RSP: ffffaa0cc362b708 RFLAGS: 00010206 RAX: 0000000000000000 RBX: ffff91560c380000 RCX: 000000095efda83b RDX: 0000000000000001 RSI: 0000000000000340 RDI: 2246aa774e1706c5 RBP: 0000000000000000 R8: ffff915623b36bd5 R9: 0000000000000000 R10: 00000003de8ae72c R11: ffff915623b37000 R12: 0000000000000340 R13: ffff91560c380000 R14: dead000000000387 R15: ffffffffc13a7ea0 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 /home/green/git/lustre-release/lustre/osc/osc_compress.c: 44 #7 [ffffaa0cc362b738] brw_commit at ffffffffc1324f44 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 2927 #8 [ffffaa0cc362b750] ptlrpc_free_request at ffffffffc0e2f80b [ptlrpc] /home/green/git/lustre-release/lustre/obdclass/class_obd.c: 783 #9 [ffffaa0cc362b768] ptlrpc_free_committed at ffffffffc0e34a0c [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/client.c: 3132 #10 [ffffaa0cc362b7e0] after_reply at ffffffffc0e368ec [ptlrpc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 339 #11 [ffffaa0cc362b838] ptlrpc_check_set at ffffffffc0e397b5 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/client.c: 2340 #12 [ffffaa0cc362b8c0] ptlrpc_set_wait at ffffffffc0e3a67e [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/client.c: 2725 #13 [ffffaa0cc362b940] ptlrpc_queue_wait at ffffffffc0e3bef1 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/client.c: 3369 #14 [ffffaa0cc362b958] ldlm_cli_enqueue at ffffffffc0ee740f [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/../ldlm/ldlm_request.c: 1198 #15 [ffffaa0cc362b9e0] osc_enqueue_base at ffffffffc1339b63 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3447 #16 [ffffaa0cc362ba90] osc_lock_enqueue at ffffffffc134b825 [osc] /home/green/git/lustre-release/lustre/osc/osc_lock.c: 1085 #17 [ffffaa0cc362bb58] cl_lock_enqueue at ffffffffc0a62947 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_lock.c: 176 #18 [ffffaa0cc362bb90] lov_lock_enqueue at ffffffffc13ee624 [lov] /home/green/git/lustre-release/lustre/lov/lov_lock.c: 269 #19 [ffffaa0cc362bbd0] cl_lock_enqueue at ffffffffc0a62947 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_lock.c: 176 #20 [ffffaa0cc362bc08] cl_lock_request at ffffffffc0a6356e [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_lock.c: 216 #21 [ffffaa0cc362bc38] cl_io_lock at ffffffffc0a6943d [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 293 #22 [ffffaa0cc362bc80] cl_io_loop at ffffffffc0a6b17d [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 836 #23 [ffffaa0cc362bcc0] ll_file_io_generic at ffffffffc1c32b16 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2180 #24 [ffffaa0cc362bdb0] do_file_read_iter at ffffffffc1c35482 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2532 #25 [ffffaa0cc362be18] ll_file_read_iter at ffffffffc1c3597d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2560 #26 [ffffaa0cc362be30] new_sync_read at ffffffff9f6cd28d /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 407 #27 [ffffaa0cc362beb8] __vfs_read at ffffffff9f6d18d9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 418 #28 [ffffaa0cc362bec0] vfs_read at ffffffff9f6d19b7 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 452 #29 [ffffaa0cc362bef8] ksys_read at ffffffff9f6d2136 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 578 #30 [ffffaa0cc362bf30] __x64_sys_read at ffffffff9f6d223e /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 588 #31 [ffffaa0cc362bf38] do_syscall_64 at ffffffff9f204641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #32 [ffffaa0cc362bf50] entry_SYSCALL_64_after_hwframe at ffffffffa02000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f40973285e5 RSP: 00007fff466c03a8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 000055e8797ab120 RCX: 00007f40973285e5 RDX: 0000000000020000 RSI: 00007f40977d3000 RDI: 0000000000000000 RBP: 0000000000020000 R8: 00000000ffffffff R9: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 00007f40977d3000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007f40977d3000 ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b