VirtualBox

Ticket #8620 (reopened defect)

Opened 3 years ago

Last modified 3 years ago

file io problems with large files across shared network forlders or locally too

Reported by: azerger Owned by:
Priority: minor Component: shared folders
Version: VirtualBox 4.0.4 Keywords:
Cc: Guest type: Windows
Host type: Windows

Description

Hello,

I am seeing problems when either reading large files across a shared network folder and or saving files across shared network folders. This also occurs with the same large files when they are copied locally to the vb. The problems seem to occur only on large files say 500mg - 3gig in size. Do not see problem on smaller files. The failure is not always in the same spot, but the internal buffers of vb must be getting messed up somehow, since the data being passed back to my app is corrupted or the data that ends up being written is corrupted. I have tried this with two separate applications which both do a tremendous amount file i/o. If these apps are run in a non-vb environment they perform fine with the file io. If the apps are taken to a vmware environment, they also perform fine. I did not see this behavior in vb 3x. There just seems to be some instability when doing a tremendous amount of continuous file io. sorry i cannot be more specific, but never had these problems prior to vb4

thank you, art

Attachments

VBox.log Download (83.3 KB) - added by azerger 3 years ago.

Change History

comment:1 Changed 3 years ago by frank

Your VBox.log file is missing. Please test if the test build from #8826 makes any difference.

comment:2 Changed 3 years ago by frank

  • Status changed from new to closed
  • Resolution set to fixed

Please reopen if still relevant with VBox 4.0.8. In that case please also attach a VBox.log file of such a VM session.

Changed 3 years ago by azerger

comment:3 Changed 3 years ago by azerger

  • Status changed from closed to reopened
  • Resolution fixed deleted

Still see problems with v4.0.8, attached log file. thank you.

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