Ceph » Linux kernel client

bt
#0  *__GI_abort () at abort.c:124
#1  0x000000006002463e in os_dump_core () at arch/um/os-Linux/util.c:119
#2  0x0000000060016bf3 in panic_exit (self=<value optimized out>, unused1=<value optimized out>, unused2=<value optimized out>) at arch/um/kernel/um_arch.c:233
#3  0x000000006004a18f in notifier_call_chain (nl=<value optimized out>, val=0, v=0x603af5c0, nr_to_call=-2, nr_calls=0x0) at kernel/notifier.c:93
#4  0x000000006004a201 in atomic_notifier_call_chain (nh=<value optimized out>, val=18446744073709551615, v=0xffffffffffffffa8) at kernel/notifier.c:182
#5  0x0000000060229a1f in panic (fmt=0x6028d69c "Kernel mode signal %d") at kernel/panic.c:99
#6  0x0000000060016510 in relay_signal (sig=4, regs=0x60311a10) at arch/um/kernel/trap.c:228
#7  0x000000006002360f in sig_handler_common (sig=6, sc=0x60311be8) at arch/um/os-Linux/signal.c:49
#8  0x0000000060023758 in sig_handler (sig=1, sc=0xffffffffffffffff) at arch/um/os-Linux/signal.c:81
#9  0x00000000600239b1 in handle_signal (sig=6, sc=0x60311be8) at arch/um/os-Linux/signal.c:158
#10 0x00000000600253c0 in hard_handler (sig=1) at arch/um/os-Linux/sys-x86_64/signal.c:15
#11 <signal handler called>
#12 0x0000000060136aae in __queue_cap_release (session=0x8000f7f0, ino=2199023255553, cap_id=2, migrate_seq=1, issue_seq=1) at fs/ceph/caps.c:999
#13 0x000000006013c305 in ceph_handle_caps (session=0x8000f7f0, msg=0x80223f30) at fs/ceph/caps.c:2770
#14 0x0000000060147832 in dispatch (con=<value optimized out>, msg=0x80223f30) at fs/ceph/mds_client.c:3290
#15 0x0000000060217c76 in try_read (con=0x8000f858) at net/ceph/messenger.c:1689
#16 0x000000006021867a in con_work (work=0x8000fc78) at net/ceph/messenger.c:1998
#17 0x0000000060041b06 in process_one_work (worker=0x80ef57c0, work=<value optimized out>) at kernel/workqueue.c:1822
#18 0x000000006004213d in worker_thread (__worker=<value optimized out>) at kernel/workqueue.c:1933
#19 0x0000000060046488 in kthread (_create=<value optimized out>) at kernel/kthread.c:95
#20 0x0000000060022755 in run_kernel_thread (fn=0x600463f3 <kthread>, arg=0x80c9fc70, jmp_ptr=<value optimized out>) at arch/um/os-Linux/process.c:267
#21 0x0000000060014ba0 in new_thread_handler () at arch/um/kernel/process.c:153
#22 0x0000000000000000 in ?? ()
(gdb) f 12
#12 0x0000000060136aae in __queue_cap_release (session=0x8000f7f0, ino=2199023255553, cap_id=2, migrate_seq=1, issue_seq=1) at fs/ceph/caps.c:999
(gdb) p session
$1 = (struct ceph_mds_session *) 0x8000f7f0
(gdb) p session->s_num_cap_releases
$2 = 0