SFOS 16.05.2 MR2: constant reboots

Question

Hi there, 
 Since last month I am having some issues after upgrading my Sophos XG firewall from SFOS 16.05.2 MR1 to the latest available firmware (SFOS 16.05.2 MR2). The firewall keeps rebooting after the migration. I had the idea that the cause was probably the configuration or the (automatically) downloaded firmware was possible corrupt. Upgraded the XG firewall using different ways (GUI, shell, firmware uploader via SFLoader) to the latest available firmware but having the same issue. This morning installed a new virtual machine using the latest available installer (SW-SFOS_16.05.2_MR-2-160.iso; md5sum: 8d56fbb3898667bd54090cc5d4949c5b). Result was remarkable the same. After the initial setup (configuration of the interfaces and device activation) the firewall needs to reboot in order to complete the setup. After that I have the same symptoms : constant reboots. Details of my XG firewall and virtual environment (as this can possible be helpful): * Hypervisor (Proxmox version 4.4-12) * Virtual Machine (software installation) * Memory: 6 GiB * 8 processors (2 sockets, 4 cores) I want to check the log files for failure and isolate the issue that I am facing, but unable to mount successfully the hard disk of the virtual machine. Any suggestion about memory / hard drive failures; already tested that. Thank you.

IeM · Answer

Upgrade from SFOS 16.05.1 MR1 to MR4 works fine (in the meantime upgraded to Proxmox 5.0).

Aditya Patel · Answer

Hi , 
 Could you try to upgrade to SFOS_16.05.4_MR-4 and check if that would resolve the issue you were facing on SFOS_16.05.4_MR-2.

Aditya Patel · Answer

HI , 
 
 Please refer the recommended Virtual Environment supported.

The text in this section is not seen on Sophos.com, is internal only and may be confidential.
 Supported versions are: 
 
 VMware ESXi/vSphere 5.1 & 4.1 along with VMware Workstation 9 
 VMware ESXi/vSphere 5.5 to 6.5. 
 Citrix XenServer 6.1/6.0 (No need to backwards check 5.5 for this platform) 
 
 We include the Hyper-V Integration Tools[0] to make it easier for people who want to try Hyper-V but because Dev and QA does not do testing on Hyper-V we do not officially support it. 
 
 [0] If the Hyper-V Integration Tools are out of date please escalate the case to GES to have the issue corrected.

Overview 
 This article provides information that relates to the virtualization platforms supported by the Sophos UTM line of products. Supported platforms are those that have been tested and approved by our review teams. 
 The following sections are covered: 
 
 Supported virtualization platforms 
 Known VM platform limitations 
 Resolving installation issues on a KVM (Kernel-based Virtual Machine) 
 Cloud VM images 
 Preconfigured VM images 
 Other virtual platforms 
 Related information 
 Feedback and contact 
 
 Applies to the following Sophos product Sophos UTM Software Appliance v9.0 
 Supported virtualization platforms 
 Virtual appliances provide the same functionality as the standard UTM hardware platform. You can install UTM v9 within the following virtual environments: 
 
 VMware ESX 5.1 
 VMware ESX 5.5-6.5 
 Microsoft HyperV 2008 R2 
 KVM 1.0 kernel 3.2.0-29-generic (Ubuntu 12.04 LTS) 
 Citrix XenServer 6.0 Enterprise 
 HyperV 3.5 2012 R2 
 
 All supported VM platforms undergo QA testing to ensure installation from ISO image and proper operation. UTM performance in a VM environment can vary widely due to various hardware differences, allocated resources, type of storage, etc. 
 Known VM platform limitations 
 
 Microsoft Hyper-V: legacy network adapters are not supported. 
 VMware: Do not use flexible NICs. Use e1000 for gigabit or lower connection speeds or VMXNET3 for faster connections. It is not recommended to add or remove vNICs after installation as this can result in changes in NIC order. 
 Xen: 32-bit version of Xen is not supported, only 64-bit Xen is supported.

Taken From kb article. https://sophos.com/kb/119230