LHC@home

So I just updated virtual box to 6.1.26
and I've been getting alot of computation failures is there a recommended virtual box version for atlas?
Looking at the failed tasks I noticed they seem to be related to the guest addons package I also just updated that to the latest version is there a recommended version for that as well?

<core_client_version>7.16.11</core_client_version>
<![CDATA[
<message>
Incorrect function.
 (0x1) - exit code 1 (0x1)</message>
<stderr_txt>
2021-09-08 08:42:14 (4032): Detected: vboxwrapper 26197
2021-09-08 08:42:14 (4032): Detected: BOINC client v7.7
2021-09-08 08:42:21 (4032): Error in guest additions for VM: -2147024891
Command:
VBoxManage -q list systemproperties
Output:
VBoxManage.exe: error: Failed to create the VirtualBox object!
VBoxManage.exe: error: The object is not ready
VBoxManage.exe: error: Details: code E_ACCESSDENIED (0x80070005), component VirtualBoxClientWrap, interface IVirtualBoxClient

2021-09-08 08:42:21 (4032): Detected: VirtualBox VboxManage Interface (Version: 6.1.26)
2021-09-08 08:42:27 (4032): Error in host info for VM: -2147024891
Command:
VBoxManage -q list hostinfo 
Output:
VBoxManage.exe: error: Failed to create the VirtualBox object!
VBoxManage.exe: error: The object is not ready
VBoxManage.exe: error: Details: code E_ACCESSDENIED (0x80070005), component VirtualBoxClientWrap, interface IVirtualBoxClient

2021-09-08 08:42:27 (4032): WARNING: Communication with VM Hypervisor failed.
2021-09-08 08:42:27 (4032): ERROR: VBoxManage list hostinfo failed
08:42:27 (4032): called boinc_finish(1)

</stderr_txt>
]]>

So I just updated virtual box to 6.1.26
and I've been getting alot of computation failures is there a recommended virtual box version for atlas?

Since you are on Win10, VirtualBox 5.2.44 will be better. I don't think it makes much difference on Linux.
https://www.virtualbox.org/wiki/Download_Old_Builds_5_2

Since you are on Win10, VirtualBox 5.2.44 will be better. I don't think it makes much difference on Linux.
https://www.virtualbox.org/wiki/Download_Old_Builds_5_2

Thanks for the info Ill downgrade my vbox version. Any reason for that particular version?

Since you are on Win10, VirtualBox 5.2.44 will be better. I don't think it makes much difference on Linux.
https://www.virtualbox.org/wiki/Download_Old_Builds_5_2

Thanks for the info Ill downgrade my vbox version. Any reason for that particular version?

2021-09-08 08:42:27 (4032): WARNING: Communication with VM Hypervisor failed.
2021-09-08 08:42:27 (4032): ERROR: VBoxManage list hostinfo failed
Have 6.1.12 and 6.1.26. Both are running well, sorry Jim.
CloverField, do you have Hyper-V enabled?
This must be disabled.

No I do not it has been off since this computer was built.
Unless update virtual box some how turned it on?

Any reason for that particular version?

Just that it is the latest in the 5.2.xx series. An earlier one would probably work as well.

I am using the 5.2.44 in win 10 (and 5.1.22 on win 7) and they work just fine. Some of the earlier 5.x.xx versions are blocked by win 10.

---

CloverField,
this lot of Atlas-Tasks with download-Errors, are from yesterday.
There was a problem in the Cern-IT up to 22 UTC yesterday. Have it seen also.
Your tasks from today running well.

So I did some testing and was able to get versions 6.1.12 and 5.2.44 working correctly with no more computation failures from atlas.
I ended up sticking with 6.1.12 because that is the version that comes with the latest version of boinc.
Thanks for all the help everyone.