Posts by wujj123456

41) Message boards : ATLAS application : error on Atlas native: 195 (0x000000C3) EXIT_CHILD_FAILED (Message 41367) Posted 27 Jan 2020 by wujj123456 Post: A bit of research on the stderr error message may be significant. "container creation failed: mount ->/var error: can't remount /var: operation not permitted" https://lhcathome.cern.ch/lhcathome/result.php?resultid=256777262 It seems to have something to do with how the local storage is mounted. https://github.com/sylabs/singularity/issues/2282 I am running into the same. Is this /var on host filesystem? I probably don't want singularity to remount my /var on host system, but if it's trying to mount due to some missing flags, I can probably check what they do and add them so that remount becomes a noop and succeeds. https://lhcathome.cern.ch/lhcathome/result.php?resultid=260003929 If I couldn't resolve this, is there a way to disable native atlas while allowing native theory without refusing atlas work entirely?
42) Message boards : Theory Application : Unable to start VM on some WUs (Message 41258) Posted 14 Jan 2020 by wujj123456 Post: I configured automatic upgrade, but not automatically reboot. I thought the new kernel and components would only be in effect after I reboot. Let me turn auto update off to ensure the vboxdrv is always in sync with kernel to see if the result improves.
43) Message boards : Theory Application : Unable to start VM on some WUs (Message 41245) Posted 14 Jan 2020 by wujj123456 Post: I checked a few failed tasks and they all failed with messages like this. 2020-01-12 15:31:37 (2138): Command: VBoxManage -q startvm "boinc_74513d880c5d6ae6" --type headless Exit Code: 1 Output: WARNING: The character device /dev/vboxdrv does not exist. Please install the virtualbox-dkms package and the appropriate headers, most likely linux-headers-generic. You will not be able to start VMs until this problem is fixed. VBoxManage: error: The virtual machine 'boinc_74513d880c5d6ae6' has terminated unexpectedly during startup with exit code 1 (0x1) VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component MachineWrap, interface IMachine Waiting for VM "boinc_74513d880c5d6ae6" to power on...\ Example failures: https://lhcathome.cern.ch/lhcathome/result.php?resultid=259134333 https://lhcathome.cern.ch/lhcathome/result.php?resultid=259134354 However, the /dev/vboxdrv exists and the mentioned packages are also installed on the host. The host has valid results for same application as well: https://lhcathome.cern.ch/lhcathome/results.php?hostid=10595991&offset=0&show_names=0&state=0&appid=13 I couldn't find any smoking gun as of why it fails some WUs but not others. Could /dev/vboxdrv temporarily become inaccessible for some reason I should be aware of?

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