[Bug 54592] New: Some binaries page-fault when run on "ihc" filesystem

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54592

            Bug ID: 54592
           Summary: Some binaries page-fault when run on "ihc" filesystem
           Product: Wine
           Version: 8.1
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs(a)winehq.org
          Reporter: hasezoey(a)gmail.com
      Distribution: ---

it seems like running some binaries from "ihc" results in page-fault, examples:

- ADE_2.0_Installer.exe runs just fine on "ihc"
- python-2.7.18.msi runs just fine on "ihc"
- python-3.9.0-amd64.exe page faults on "ihc"
- python-3.11.2-amd64.exe page faults on "ihc"
- VC_redist.x64.exe (14.34.31938) page faults on "ihc"
- customly compiled rust binary (msvc compiler) page faults on "ihc"

all the things listed above run just fine when run from "btrfs"

i have tried debugging my custom rust binary, and noticed that beyond some
point the data just seems to be repeating (see
https://forum.winehq.org/viewtopic.php?p=139841#p139841)

all tests were done with qemu, tested with Manjaro 22.0.3 and Linux Mint 21.1,
with wine 7.0.1, 8.0.0, 8.1.

ihc fstab entry: "ihc /run/media/shared trans=virtio,nobootwait,rw,_netdev 0 0"
qemu cmd line entry for virtfs: "-virtfs
local,path=./shared,mount_tag=ihc,security_model=mapped"

from:
https://forum.winehq.org/viewtopic.php?p=139841
https://forum.winehq.org/viewtopic.php?p=139801

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[Bug 54592] Some binaries page-fault when run on "ihc" filesystem

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=54592

Bernhard Übelacker <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

--- Comment #1 from Bernhard Übelacker <[e-mail]> ---
Created attachment 80022
  --> http://bugs.winehq.org/attachment.cgi?id=80022
54592_virtfs_debugging.txt

I could reproduce the issue inside a debian bookworm VM between
wine versions 8.0.0~bookworm-1 to 11.0~rc3~bookworm-1.

But inside a debian trixie VM it worked
with 8.11~trixie-1 and 11.0~rc3~trixie-1.

So I tested different kernel versions and it looks like there got
some fix included during development of linux 6.8.

8.11~trixie-1 + linux-image-6.1.0-41-amd64_6.1.158-1_amd64.deb          broken
8.11~trixie-1 + linux-image-6.5.0-5-amd64_6.5.13-1_amd64.deb            broken
8.11~trixie-1 + linux-image-6.7.12-amd64_6.7.12-1_amd64.deb             broken
8.11~trixie-1 + linux-image-6.8.12-amd64_6.8.12-1_amd64.deb             working
8.11~trixie-1 + linux-image-6.9.12-amd64_6.9.12-1_amd64.deb             working
8.11~trixie-1 + linux-image-6.12.57%2Bdeb13-amd64_6.12.57-1_amd64.deb   working

Unknown if this issue of older kernel can be detected by wine
and if it is worth investigating.

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[Bug 54592] Some binaries page-fault when run from virtfs/9p filesystem

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=54592

Bernhard Übelacker <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Some binaries page-fault    |Some binaries page-fault
                   |when run on "ihc"           |when run from virtfs/9p
                   |filesystem                  |filesystem

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