Failed to map guest I/O buffer for write access with status 0xC0000044

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Contributor

Hi!

It is occurring a strange error on my Windows 2004 21H1 Pro 64-bit host machine when running my guest virtual machine (also Windows 2004 21H1 Pro 64 bits): 

Failed to map guest I/O buffer for write access with status 0xC0000044. Device name = [...].avhdx. 

Source: Hyper-V-StorageVSP

Event ID: 8

Level: Error

 

The error is associated to the automatic checkpoint file, not the main .vhdx itself.

 

host errorshost errors

 


Here is the counterpart warning on guest - please note that they happen at the same time:
The IO operation at logical block address [...] for Disk [...] was retried.

Source: disk

Event ID: 153

Level: Warning

 

guest warningsguest warnings

 

 

Thank you for your analysis!

Sandro

 

PS: this was originally posted at https://www.tenforums.com/virtualization/181920-failed-map-guest-i-o-buffer-write-access-status-0xc0...

1 Reply

It may or may not be related to these errors but there is now a new error showing up once:

DM operation remove for the virtual machine '...' failed with error: %%2147753985 (0x80042001) (Virtual machine ID ...).
Source: Hyper-V-Compute
Event ID: 10019
Level: Error
OpCode: Ino