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6.7.0 build-13006603 - PSOD - PF Exception 14 in world 2097785:Tcpip4 wtask

November 2, 2019, 9:35 am
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Greetings,

 

I hit a PSOD on my homelab (non enterprise/home desktop components), and was hoping someone could clarify if this is hardware/software related. I didn't have much success finding information related to "Tcpip4 wtask", so any additional information would be great.

 

2019-11-02T07:53:00.402Z cpu0:2097785)World: 3015: PRDA 0x418040000000 ss 0x0 ds 0xfd0 es 0xfd0 fs 0xfd0 gs 0xfd0
2019-11-02T07:53:00.402Z cpu0:2097785)World: 3017: TR 0xfd8 GDT 0x450984200000 (0xfe7) IDT 0x41803b564000 (0xfff)
2019-11-02T07:53:00.402Z cpu0:2097785)World: 3018: CR0 0x8001003d CR3 0x79e93000 CR4 0x10016c
2019-11-02T07:53:00.408Z cpu0:2097785)Backtrace for current CPU #0, worldID=2097785, fp=0x206
2019-11-02T07:53:00.408Z cpu0:2097785)0x451a0e41bbb8:[0x41803b707d2f]CpuSchedIdleLoopInt@vmkernel#nover+0x20b stack: 0x4180400007c0, 0x0, 0x7fffffff00000000, 0x1, 0x418040000000
2019-11-02T07:53:00.410Z cpu0:2097785) [45m [33;1mVMware ESXi 6.7.0 [Releasebuild-13006603 x86_64] [0m
#PF Exception 14 in world 2097785:Tcpip4 wtask IP 0x41803b707d2f addr 0x81
PTEs:0x0;
2019-11-02T07:53:00.411Z cpu0:2097785)cr0=0x8001003d cr2=0x81 cr3=0x79e93000 cr4=0x10016c
2019-11-02T07:53:00.411Z cpu0:2097785)frame=0x451a0e41baf0 ip=0x41803b707d2f err=0 rflags=0x10206 
2019-11-02T07:53:00.411Z cpu0:2097785)rax=0x0 rbx=0x1 rcx=0x0
2019-11-02T07:53:00.411Z cpu0:2097785)rdx=0x4180400007c0 rbp=0x206 rsi=0x1
2019-11-02T07:53:00.411Z cpu0:2097785)rdi=0x206 r8=0x430076a7f230 r9=0x450185246000
2019-11-02T07:53:00.412Z cpu0:2097785)r10=0x0 r11=0x1 r12=0x1
2019-11-02T07:53:00.412Z cpu0:2097785)r13=0x1 r14=0x418040000000 r15=0x1f34ee7a8882ba
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:0 world:2097785 name:"Tcpip4 wtask" (S)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:1 world:2099562 name:"vmx" (U)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:2 world:2098399 name:"ntpd" (U)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:3 world:2100018 name:"vmm0:servie2019" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:4 world:2099869 name:"vmm5:server2" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:5 world:2100169 name:"vmm2:server1" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:6 world:2099867 name:"vmm3:server2" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:7 world:2097180 name:"netCoalesce2World" (S)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:8 world:2097316 name:"CpuSchedAgingVtimes" (S)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:9 world:2100165 name:"vmm0:server1" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:10 world:2100171 name:"vmm4:server1" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:11 world:2097163 name:"idle11" (IS)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:12 world:2099865 name:"vmm1:server2" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:13 world:2100172 name:"vmm5:server1" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:14 world:2099862 name:"vmm0:server2" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)pcpu:15 world:2100170 name:"vmm3:server1" (V)
2019-11-02T07:53:00.412Z cpu0:2097785)@BlueScreen: #PF Exception 14 in world 2097785:Tcpip4 wtask IP 0x41803b707d2f addr 0x81
PTEs:0x0;

 

No new BIOS available for my motherboard, and I do plan to upgrade to 6.7 U3 soon.

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Re: NT4 Guest: IDE vs SCSI

November 2, 2019, 10:02 am
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Don't forget to install the SCSI buslogic driver beforehand so that when you boot the VM, the new SCSI disk can be read.

 

how can i install scsi driver? i changed my hard disk to lsilogic but diont boot up

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Re: PowerShell core on Photon OS

October 21, 2019, 6:46 am
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Powershell Core on Photon OS does not built-in register PSGallery. Hence cmdlets install-module, find-module, etc. are not working.

 

Edited:

Put some work on this. You may use one of the attached files.

As alternative, simply pull and run:

  • docker pull vmware/powerclicore:ubuntu16.04
  • docker run -it vmware/powerclicore:ubuntu16.04
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Explorer.exe using large amounts of CPU until UEM explorer profile is cleared

August 6, 2018, 11:55 am
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We have noticed this issue sporadically with different users. Explorer seems to max out a processor for no reason and it will persist with each logon until the explorer uem profile is reset. We were using UEM 9.2.1 and recently upgraded to 9.4. We saw it before the upgrade but I would guess any profiles we found it on were created in 9.2.1. Just checking if anyone has seen the issue and if they resolved it in there environment.

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Re: Explorer.exe using large amounts of CPU until UEM explorer profile is cleared

November 2, 2019, 10:56 am
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After a lot of testing and seeing this come up even after adding the registry exclusion I recently stumbled upon this on technet and it works in all of our tests.

Explorer.exe High CPU with redirected Desktop folder

 

We are rolling this out so we will see if removing the explorer exclusions reveals that this is two issues or just one but from our testing they will not be needed.

 

To summarize you should see this issue when you are using folder redirection. I could reproduce by opening explorer. Opening a folder on the redirected desktop then going anywhere else. Instant 50% of two CPU consumed by explorer.exe.

 

We could temporarily fix the issue by removing the MRUListEx registry entries. We actually also tried removing the set of MRUListEx entries on each key below on logoff but they are only temporary if the users are doing the same actions.

 

We are deploying the PS script from the article as a UEM (Now DEM) asynchronous logon task

powershell.exe -executionpolicy bypass (folder path)\Exploerfix.ps

 

Going to give this some time and monitor with Vrops before submitting to VMware as a bug.

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Can we connect two Standard VSW within a same ESXi host?

November 2, 2019, 11:01 am
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Hi everyone,

Is it possible to connect two standard VSW  together within same ESXi Host?

 

Thanks and have a good weekend!!

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Re: Can we connect two Standard VSW within a same ESXi host?

November 2, 2019, 11:16 am
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No, not without a router (VM) in between them.

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NUMA node count not right

November 2, 2019, 11:41 am
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Hello again, I hope to get a reply on this one.. I have a vCluster with 8 nodes ESXi 6.5, all HP DL560 G10 with 4 sockets. All with HT enabled. However 7 show the following numa nodes count:

 

[root@esx000009:~] esxcli hardware memory get | grep NUMA

   NUMA Node Count: 8

 

and one only shows the following:

 

[root@esx000008:~] esxcli hardware memory get | grep NUMA

   NUMA Node Count: 4

 

why would that be?? They are all alike... I can't think of anything that clarifies this ackward host

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Re: Cannot Install SVGA Drivers on Windows 95 in VMWare Workstation

November 2, 2019, 12:06 pm
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I tried to install drivers, but no matter what I do Windows says there's a conflict with the VGA driver and it won't let me switch. I've tried Windows 98 and ME and they work fine. What gives?

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Workstation 15.5 install package calling for non-existent file

November 2, 2019, 12:41 pm
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I've been trying to install the 15.5 Workstation update and the installer package calls for a folder starting as {50A2BC33-C9.....etc

However, the package caches downloaded by the installing software place 2 folders in the Package Cache folder:

{4931385B-094D-4DC5...etc

and

{F3241984-5A0E...etc.

 

What is the workaround for the installer package to complete the installation of 15.5?

 

Many thanks for a solution.

 

David W Ristau

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Re: Creating a VM from a snapshot

November 2, 2019, 12:45 pm
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HI,

 

You can convert the machine you want to clone into Template, then create a new virtual machine from that template, modifying hostname, IP and SID.When you have finished creating the new VM with the modified parameters, you can convert the template back to a virtual machine.

 

ARomeo

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Shutting down VSA 6.7 cluster

November 2, 2019, 12:53 pm
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Hello I just built and tested my first VSAN 6.7 cluster.  Now I need to shut it down and physically move the whole thing to a new location for production.

I have Cluster/HA/DRS running.  vCenter is running on the cluster and one other virtual machine.  Can anyone help me with the sequence in how to shut it all down?

Here is how I think it should go:

 

1.Turn off HA

2. Turn off DRS

3. Turn off Cluster (not sure about this one).

4. Power off VM

5.  Power off vCenter

6. Login into vSphere client of each host and place host into maintenance mode.

7. Power off each host.

 

I just want to make sure that when i power it all back up, everything comes up nicely.

Any help would be appreciated.

 

Thanks

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Re: NUMA node count not right

November 2, 2019, 12:57 pm
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Hi Pawel, they are identical in everything. They were purchased at the same time. They all have 1.5TB RAM each. The ones that show 8 numa nodes in esxtop they show 8 numa nodes of 196GB RAM while that only one that has 4 shows 4 numa nodes of 375GB RAM. I don't understand why the difference..

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Re: slow VM restore of saved state

November 2, 2019, 12:59 pm
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This problem is gone since upgrading to MacOS 10.15.1 (Catalina) and VMware Fusion 11.5.0.

 

Fresh boot, FileVault on, 4GB VM loads in about 2 Seconds.

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Re: NUMA node count not right

November 2, 2019, 12:42 pm
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Are servers with the same memory size, DIMMs etc. ?

Does it have the same processors?

 

Compare BIOS settings in regard to NUMA and Memeory interleaving.

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Re: NUMA node count not right

November 2, 2019, 1:02 pm
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Compare BIOS settings in regard to NUMA and Memeory interleaving.

 

That's only one thing which comes to my mind.

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Re: Shutting down VSA 6.7 cluster

November 2, 2019, 1:11 pm
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Re: 6.7.0 build-13006603 - PSOD - PF Exception 14 in world 2097785:Tcpip4 wtask

November 2, 2019, 1:17 pm
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Usually PSOD is caused by firmware issue.

Check your hardware and firmware with actual compatibility matrix.

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Re: Creating a VM from a snapshot

November 2, 2019, 1:37 pm
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If you mean from an old state/snapshot, you would need to revert the VM to that snapshot first.

 

If you then wanted the original VM to get back to the most recent state, you’d need to take a new snapshot before doing the initial revert and clone, then revert to that new snapshot afterwards and delete it.

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Re: ESXi 6.7u3 PSoD Reoccurrences (Exception 13) - what could be the root cause

November 2, 2019, 1:43 pm
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Can you paste screenshot of that PSOD?

PSOD is usually connected with firmware/drivers of I/O devices like Storage HBA, Network interfaces etc.

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