ubuntu@am2:~$ sudo crash vmlinux
[sudo] password for ubuntu:
crash 7.0.3
Copyright (C) 2002-2013 Red Hat, Inc.
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Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
GNU gdb (GDB) 7.6
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "aarch64-unknown-linux-gnu"...
KERNEL: vmlinux
DUMPFILE: /dev/mem
CPUS: 8
DATE: Thu Jun 25 21:58:34 2015
UPTIME: 00:03:29
LOAD AVERAGE: 0.08, 0.03, 0.01
TASKS: 130
NODENAME: am2
RELEASE: 3.13.11-ckt21+
VERSION: #35 SMP PREEMPT Thu Jun 18 03:19:42 EDT 2015
MACHINE: aarch64 (unknown Mhz)
MEMORY: 16 GB
PID: 1766
COMMAND: "crash"
TASK: ffffffc3e79be180 [THREAD_INFO: ffffffc3e3c44000]
CPU: 3
STATE: TASK_RUNNING (ACTIVE)
crash> bt -e
PID: 1766 TASK: ffffffc3e79be180 CPU: 5 COMMAND: "crash"
USER-MODE EXCEPTION FRAME AT: ffffffc3e3c47ed0
PC: 0000007fa68812cc LR: 000000000047ad2c SP: 0000007fd2a4c400
X29: 0000007fd2a4c400 X28: 000000000094b000 X27: 0000000000001000
X26: 0000007fa67c4710 X25: ffffffc3e3c47000 X24: 0000000000982080
X23: 00000000009fd488 X22: 0000000000000004 X21: 0000000000001000
X20: 000000000094b000 X19: 00000043e3c47000 X18: 0000007fd2a4ca60
X17: 0000007fa68812b0 X16: 0000000000000000 X15: 0000007fa690b590
X14: 0000000000000000 X13: 0000000000000000 X12: 0000000000000028
X11: 0000000000000005 X10: 0000000028521830 X9: 0000000000000004
X8: 000000000000003f X7: 000000000099a030 X6: 000000000000003f
X5: 000000000047ac18 X4: 000000000099f9e8 X3: ffffffc3e3c47000
X2: 0000000000001000 X1: 00000000009fd488 X0: 0000000000000004
ORIG_X0: 0000000000000004 SYSCALLNO: 3f PSTATE: 60000000
crash>
crash> quit
ubuntu@am2:~$ sudo dpkg -l crash
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-============-============-=================================
ii crash 7.0.3-3ubunt arm64 kernel debugging utility, allowin
ubuntu@am2:~$
** Tags removed: verification-needed
** Tags added: verification-done
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to crash in Ubuntu.
https://bugs.launchpad.net/bugs/1466686
Title:
crash: arm64: don't support some BT commands
Status in crash package in Ubuntu:
Fix Released
Status in crash source package in Trusty:
Fix Committed
Bug description:
On trusty, some BT commands are missed for ARM64.
[Impact]
some BT commands aren't usable, such as bt -e, bt -l, ...
[Test Case]
- start crash
- run bt -e
crash> bt -e
PID: 2113 TASK: ffffffc3e3446180 CPU: 5 COMMAND: "crash"
bt: arm64_eframe_search: function not implemented
[Regression Potential]
These changes are to code that only gets compiled on arm64, so
there's no risk to other architectures. Also the proposed change is
merged to upstream alread.
The patches in below link can make them workable:
http://kernel.ubuntu.com/git/ming/crash-
trusty.git/commit/?id=3d11253387a609283054c8b0d76b0d33704b6e27
http://kernel.ubuntu.com/git/ming/crash-
trusty.git/commit/?id=2c43ddb93e0591e14c92c5d7469ed2c6029df5a5
http://kernel.ubuntu.com/git/ming/crash-
trusty.git/commit/?id=f384eaa863b82009caaf136bc88c3e6f5c0ceb66
http://kernel.ubuntu.com/git/ming/crash-
trusty.git/commit/?id=653aa6bc8b5108bf6a6f737275fe4a1b94ba4703
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/crash/+bug/1466686/+subscriptions
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