Activity log for bug #1325503

Date Who What changed Old value New value Message
2014-06-02 09:14:18 Jean-Baptiste Lallement bug added bug
2014-06-02 09:14:40 Jean-Baptiste Lallement description On armhf crash files fails to retrace and gdb report 'corrupt stack' errors For example bug 1323241 Thread 1 (Thread 0xb0b3b450 (LWP 2243)): #0 0x00000030 in ?? () No symbol table info available. #1 0xa9990cbe in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/Launcher/libUnityLauncher-qml.so No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?) I also tried directly on the device to run an unstripped and stripped build of cat and gdb fails to unwind the stack when the binary is stripped. The result of this test is: == unstripped == Reading symbols from ./cat...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in read (__nbytes=65536, __buf=0x19000, __fd=0) at /usr/include/arm-linux-gnueabihf/bits/unistd.h:44 #2 safe_read (fd=0, buf=buf@entry=0x19000, count=count@entry=65536) at lib/safe-read.c:66 #3 0x00009ace in simple_cat (bufsize=65536, buf=0x19000 "") at src/cat.c:168 #4 main (argc=1, argv=<optimized out>) at src/cat.c:730 (gdb) quit == stripped == Reading symbols from ./cat...(no debugging symbols found)...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) I'd expect the same number of frames and addresses when the binary is stripped or not with '??' instead of names when it is stripped. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: gdb (not installed) Uname: Linux 3.4.0-5-mako armv7l ApportVersion: 2.14.3-0ubuntu1 Architecture: armhf Date: Mon Jun 2 11:07:07 2014 InstallationDate: Installed on 2014-06-02 (0 days ago) InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140602) SourcePackage: gdb UpgradeStatus: No upgrade log present (probably fresh install) On armhf crash files fail to retrace and gdb reports 'corrupt stack' errors For example bug 1323241 Thread 1 (Thread 0xb0b3b450 (LWP 2243)): #0 0x00000030 in ?? () No symbol table info available. #1 0xa9990cbe in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/Launcher/libUnityLauncher-qml.so No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?) I also tried directly on the device to run an unstripped and stripped build of cat and gdb fails to unwind the stack when the binary is stripped. The result of this test is: == unstripped == Reading symbols from ./cat...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in read (__nbytes=65536, __buf=0x19000, __fd=0) at /usr/include/arm-linux-gnueabihf/bits/unistd.h:44 #2 safe_read (fd=0, buf=buf@entry=0x19000, count=count@entry=65536) at lib/safe-read.c:66 #3 0x00009ace in simple_cat (bufsize=65536, buf=0x19000 "") at src/cat.c:168 #4 main (argc=1, argv=<optimized out>) at src/cat.c:730 (gdb) quit == stripped == Reading symbols from ./cat...(no debugging symbols found)...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) I'd expect the same number of frames and addresses when the binary is stripped or not with '??' instead of names when it is stripped. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: gdb (not installed) Uname: Linux 3.4.0-5-mako armv7l ApportVersion: 2.14.3-0ubuntu1 Architecture: armhf Date: Mon Jun 2 11:07:07 2014 InstallationDate: Installed on 2014-06-02 (0 days ago) InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140602) SourcePackage: gdb UpgradeStatus: No upgrade log present (probably fresh install)
2014-06-02 09:27:08 Jean-Baptiste Lallement summary gdb reports 'corrupt stack' on armhf gdb reports 'corrupt stack' on armhf without symbols
2014-06-03 14:15:59 Brian Murray gdb (Ubuntu): importance Undecided High
2014-06-03 14:16:02 Launchpad Janitor gdb (Ubuntu): status New Confirmed
2014-06-03 14:16:05 Brian Murray bug added subscriber Brian Murray
2014-06-04 13:22:22 Jean-Baptiste Lallement tags apport-bug armhf utopic apport-bug armhf qa-touch utopic
2014-06-19 16:44:05 Brian Murray description On armhf crash files fail to retrace and gdb reports 'corrupt stack' errors For example bug 1323241 Thread 1 (Thread 0xb0b3b450 (LWP 2243)): #0 0x00000030 in ?? () No symbol table info available. #1 0xa9990cbe in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/Launcher/libUnityLauncher-qml.so No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?) I also tried directly on the device to run an unstripped and stripped build of cat and gdb fails to unwind the stack when the binary is stripped. The result of this test is: == unstripped == Reading symbols from ./cat...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in read (__nbytes=65536, __buf=0x19000, __fd=0) at /usr/include/arm-linux-gnueabihf/bits/unistd.h:44 #2 safe_read (fd=0, buf=buf@entry=0x19000, count=count@entry=65536) at lib/safe-read.c:66 #3 0x00009ace in simple_cat (bufsize=65536, buf=0x19000 "") at src/cat.c:168 #4 main (argc=1, argv=<optimized out>) at src/cat.c:730 (gdb) quit == stripped == Reading symbols from ./cat...(no debugging symbols found)...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) I'd expect the same number of frames and addresses when the binary is stripped or not with '??' instead of names when it is stripped. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: gdb (not installed) Uname: Linux 3.4.0-5-mako armv7l ApportVersion: 2.14.3-0ubuntu1 Architecture: armhf Date: Mon Jun 2 11:07:07 2014 InstallationDate: Installed on 2014-06-02 (0 days ago) InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140602) SourcePackage: gdb UpgradeStatus: No upgrade log present (probably fresh install) [Test Case] sleep 120 & kill -SEGV %1 Observe a corrupt stack in the generated crash file. Original Report --------------- On armhf crash files fail to retrace and gdb reports 'corrupt stack' errors For example bug 1323241 Thread 1 (Thread 0xb0b3b450 (LWP 2243)): #0 0x00000030 in ?? () No symbol table info available. #1 0xa9990cbe in ?? () from /usr/lib/arm-linux-gnueabihf/unity8/qml/Unity/Launcher/libUnityLauncher-qml.so No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?) I also tried directly on the device to run an unstripped and stripped build of cat and gdb fails to unwind the stack when the binary is stripped. The result of this test is: == unstripped == Reading symbols from ./cat...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in read (__nbytes=65536, __buf=0x19000, __fd=0) at /usr/include/arm-linux-gnueabihf/bits/unistd.h:44 #2 safe_read (fd=0, buf=buf@entry=0x19000, count=count@entry=65536) at lib/safe-read.c:66 #3 0x00009ace in simple_cat (bufsize=65536, buf=0x19000 "") at src/cat.c:168 #4 main (argc=1, argv=<optimized out>) at src/cat.c:730 (gdb) quit == stripped == Reading symbols from ./cat...(no debugging symbols found)...done. (gdb) run Starting program: /home/phablet/tmp/coreutils-8.21/src/cat ^C Program received signal SIGINT, Interrupt. 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt #0 0xb6f6e914 in read () from /lib/arm-linux-gnueabihf/libc.so.6 #1 0x0000b648 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) I'd expect the same number of frames and addresses when the binary is stripped or not with '??' instead of names when it is stripped. ProblemType: BugDistroRelease: Ubuntu 14.10 Package: gdb (not installed) Uname: Linux 3.4.0-5-mako armv7l ApportVersion: 2.14.3-0ubuntu1 Architecture: armhf Date: Mon Jun 2 11:07:07 2014 InstallationDate: Installed on 2014-06-02 (0 days ago) InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140602)SourcePackage: gdb UpgradeStatus: No upgrade log present (probably fresh install)
2014-06-24 10:02:19 Matthias Klose bug task added gdb-linaro
2014-06-25 07:41:30 Jean-Baptiste Lallement gdb (Ubuntu): importance High Critical
2014-06-25 07:41:30 Jean-Baptiste Lallement gdb (Ubuntu): assignee Canonical Foundations Team (canonical-foundations)
2014-07-08 17:46:08 Brian Murray gdb (Ubuntu): status Confirmed Triaged
2014-07-08 17:46:12 Brian Murray gdb (Ubuntu): importance Critical High
2016-06-19 14:40:35 Nonny Moose bug added subscriber Nonny Moose