ValveSoftware / ValveSoftware/Proton

wine: Read access denied for device L"\\??\\Z:\\", FS volume label and serial are not available.

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C++
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Description

After making a backup of my home folder on Ubuntu, switching over to Arch, and uncompressing the backup, Clicker Heroes 2 fails to work. The game launches with a black screen, but does not load properly. I am using a customized build of the 5.11.11-zen1 kernel and my root partition's file system is BTRFS. I tried deleting the Wine prefix, to no avail.

Log file: steam-629910.log

Update: Game launches fine without using the launch parameter PROTON_USE_WINED3D11=1 %command%, but runs poorly on Intel HD Graphics. When using this launch option, there is a another error in the log file: fixme:dbghelp:elf_search_auxv can't find symbol in module.

Log file when using the PROTON_USE_WINED3D11=1 %command% launch option: steam-629910.log

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the linked steam-629910.log files and comparing the normal launch with the PROTON_USE_WINED3D11=1 launch. The issue does not identify a source file, test, or clear reproduction beyond Clicker Heroes 2 on the reported systems, so completion criteria and an implementation path require further investigation.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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