I still can't find the exact cause even with the debug build. But I see
this in the hosts syslog
kernel: [ 864.637068] EXT4-fs (sdb1): Unaligned AIO/DIO on inode
23068695 by AioMgr0-N; performance will be poor.
kernel: [ 907.647546] VirtualBox[3025]: segfault at 10 ip
00007ffe574ede84 sp 00007fff617f1610 error 4 in
libpthread-2.15.so[7ffe574e4000+18000]
All that is needed to trigger this segfault is to select choose a
virtual cd in the devices menu.
This happens on two separate (Debian based) systems the laptop was built
using deb build and the main PC as a run file install.
On 03/07/2013 01:18 PM, Perry Halbert wrote:
One more thing. I can revert back to r44844 and the problem
disappears. But wait it gets better.
After the latest today r44929 saved state even causes an abort.
On 03/07/2013 08:22 AM, Perry Halbert wrote:
OK. It's more of a heads up any way because usually when I see these
issues there is a gremlin lurking somewhere.
If I locate it I will send along the cause.
On 03/07/2013 07:52 AM, Klaus Espenlaub wrote:
On 07.03.2013 00:38, Perry Halbert wrote:
Still can't locate it. All I know for sure is that it is a segfault.
Core was generated by `/opt/VirtualBox/VirtualBox -startvm Debian-SID'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007fb07dbf3e84 in ?? ()
Core was generated by `/opt/VirtualBox/VirtualBox -startvm Mint-14'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007f3ba1546e84 in ?? ()
It happens the second I click on select CD in the device menu.
I must admit that I am not the sharpest knife in the drawer with core
dumps. The dump is 7MB tar'ed (217.5MB) each.
I can send it to you if you like.
The core won't help me much since you're running your own builds, and I
wouldn't have the matching debug info.
Did you install the ...-dbg package? Then you should get much more out
of gdb than just some hex values.
Klaus
On 03/04/2013 09:02 AM, Klaus Espenlaub wrote:
On 03.03.2013 19:01, Perry Halbert wrote:
I seem to have an issue that I can't put my finger on. With the latest
builds from SVN r44872& r44885 if I try to select a CD/DVD image to the
"running" guest the guest immediately aborts. I can remove an already
attached CD/DVD image with no issues. I can't seem to find the trigger
that is causing this issue. Anyway I thought you should know.
How about enabling core dumps and looking where it crashes? I tried a
few CD unmount/mount combinations, and couldn't trigger any problems,
neither in VBoxSVC nor in the GUI.
Klaus
Linux host guest does not matter.
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