Posts Tagged ‘network’

Exception error highlighted in red:

2020-04-17T00:15:01.297Z cpu3:6375497)@BlueScreen: #PF Exception 14 in world 6375497:vmnic0-0-tx IP 0x41800f027133 addr 0x2

 

Just prior to crash:

2020-04-17T00:14:37.248Z cpu8:2097623)igbn: igbn_CheckTxHang:1699: vmnic0: false hang detected on TX queue 0

2020-04-17T00:14:37.268Z cpu8:2097623)igbn: igbn_CheckRxHang:1557: vmnic0: false hang detected on RX queue 0

2020-04-17T00:15:01.138Z cpu4:2097232)igbn: indrv_UplinkReset:1535: indrv_UplinkReset : vmnic0 device reset started

2020-04-17T00:15:01.224Z cpu5:2097625)igbn: igbn_CheckLink:1316: Link went down for device 0x43073a472540

Vmware KB:

https://kb.vmware.com/s/article/67686

The PSOD is because of a race between reset and data path. There are two issues here:

Tx queue xmit and completion path ran into a race

The above race caused queue stuck and uplink reset, which ran into the PSOD.

Identified thanks to these legends in the vmware reddit:

https://www.reddit.com/r/vmware/comments/dan3k3/pf_exception_14_in_world_2481950vmnic00tx_ip/

 

Fixed in later driver release:

Bug Fixes:

———-

– Fixed intermittent TX hang due to race condition between start and stop of TX queue.

– Fixed duplicate nic reset due to race condition between uplink reset and watchdog threads.

https://my.vmware.com/group/vmware/details?downloadGroup=DT-ESXI67-INTEL-IGBN-1410&productId=742&download=true&fileId=6296e75493aba08fa77bd2451e8ab50f&secureParam=b4190fca752c9b3ece5c3bee9c6c90c9&uuId=4c01b35e-49d0-47eb-a1d3-778ebd60b045&downloadType=

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The unit was an Elitedesk 800 G3

Download the driver bundle from here : http://ftp.hp.com/pub/caps-softpaq/cmit/HP_Driverpack_Matrix_x64.html

Extract the Drivers then Import them into Out of Box Drivers on your MDT Share

Once done Update Deployment Share

Once done , replace image on the Microsoft Deployment Services

WIM’s will be installed to 

C:\DeploymentShare\Boot

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Recently I wanted to copy a load of files from a server to a Synology NAS. 

You can use Synology GUI to map a remote file using SMB with a username and password. You can then reference that folder for an RSYNC copy to do the inital sync then copy changes 

The RSYNC Command is below

rsync –archive –progress –verbose –inplace –exclude ‘*@SynoResource’ –exclude ‘@eaDir’ –exclude ‘*.vsmeta’ –exclude ‘.DS_Store’ ‘/volume1/Remote/Dir/’ ‘/volume1/Dir/’ >> /volume1/DIR/log1.txt 2>&1

Just to show you –Archive is equals -rlptgoD (no -H,-A,-X)  , so it will overwrite newer files with the older ones so only use the above for the initial sync

To replicate the rest when the new volume is being used do

rsync -rlptgoDu –progress –verbose –inplace –exclude ‘*@SynoResource’ –exclude ‘@eaDir’ –exclude ‘*.vsmeta’ –exclude ‘.DS_Store’ ‘/volume1/Remote/Dir/’ ‘/volume1/Dir/’ >> /volume1/DIR/log1.txt 2>&1

 

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vmware_view_pilot-5132020[1]Recently spun up a new Windows 7 virtual machine on an ESX cluster. After installing VMware Tools and rebooting the machine , the NIC card would stay unconnected. You would tick the connected box , restart the machine and the Tick would untick.

The default port limit on a vSwitch if you don’t use VLAN’s to segment traffic is 120. So when you hit this limit the above happens. I increased the port limit on each host to double. The VSphere client says you need to reboot the host to apply this , but I just vMotioned the machines from one to another which seemed to fix the problem.

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