VirtualBox on Ubuntu 19.10 segfaults in libQt5Gui.so.5.12.4

Discussions related to using VirtualBox on Linux hosts.
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RockT
Posts: 18
Joined: 15. Aug 2012, 08:15
Primary OS: Ubuntu other
VBox Version: VirtualBox+Oracle ExtPack
Guest OSses: RHEL, Win7

VirtualBox on Ubuntu 19.10 segfaults in libQt5Gui.so.5.12.4

Post by RockT »

Hi all,

since moving to VB 6.1rc1 (now 6.1 final) I see from time to time segfaults in libQt5Gui.so.5.12.4.
I see this in a vm with a very old WIN10 LTSB release. The VM runs for 2 to 3 days, then crashes when getting focus via mouse click.

I only see this with this Win10 VM, maybe because my other VMs are not running this long.
First time I saw this in VB6.1rc (bionic deb and fist 6.1 version I tried).
VG 6.0.14 is rock solid.

This is kernel log:

Code: Select all

[881312.203897] VirtualBoxVM[3929]: segfault at 0 ip 00007fac74c31be4 sp 00007ffd61a4e088 error 4 in libQt5Gui.so.5.12.4[7fac74c26000+418000]
[881312.203903] Code: 48 c7 04 24 02 00 00 00 e8 e9 b0 ff ff 48 8b 44 24 28 64 48 33 04 25 28 00 00 00 74 05 e8 14 93 ff ff 31 c0 48 83 c4 38 c3 90 <48> 8b 04 25 00 00 00 00 0f 0b 48 8d 05 66 d2 40 00 66 0f ef c0 48
[881312.563815] vboxnetflt: 0 out of 7427357 packets were not sent (directed to host)
[881312.595669] device vlan1337 left promiscuous mode
Specs:
  • Ubuntu 19.10
    Ubuntu kernel 5.3.0-24-generic
    virtualbox-6.1 deb 6.1.0-135406~Ubuntu~eoan
    Win10 LTSB VM
    VB 6.1 GA installed
Any help please?

Rainer
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