46.3.2. Displaying a Backtrace
To display the kernel stack trace, type the
bt command at the interactive prompt. You can use bt pid to display the backtrace of the selected process.
Example 46.4. Displaying the kernel stack trace
crash> bt
PID: 6042 TASK: f09c7000 CPU: 0 COMMAND: "bash"
#0 [e1ba9d10] schedule at c061c738
#1 [e1ba9d28] netlink_getsockopt at c05d50bb
#2 [e1ba9d34] netlink_queue_skip at c05d40d5
#3 [e1ba9d40] netlink_sock_destruct at c05d506d
#4 [e1ba9d84] sock_recvmsg at c05b6cc8
#5 [e1ba9dd4] enqueue_task at c041eed5
#6 [e1ba9dec] try_to_wake_up at c041f798
#7 [e1ba9e10] vsnprintf at c04efef2
#8 [e1ba9ec0] machine_kexec at c0419bf0
#9 [e1ba9f04] sys_kexec_load at c04448a1
#10 [e1ba9f4c] tty_audit_exit at c0549f06
#11 [e1ba9f50] tty_audit_add_data at c0549d5d
#12 [e1ba9f84] do_readv_writev at c0476055
#13 [e1ba9fb8] system_call at c0404f10
EAX: ffffffda EBX: 00000001 ECX: b7f7f000 EDX: 00000002
DS: 007b ESI: 00000002 ES: 007b EDI: b7f7f000
SS: 007b ESP: bf83f478 EBP: bf83f498
CS: 0073 EIP: 009ac402 ERR: 00000004 EFLAGS: 00000246
Type
help bt for more information on the command usage.
