Workaround "Assertion '!(__hi < __lo)' failed" crash

[happyme531]

Description

Replace std::clamp with std::min/max equivalent in input::client_to_touchport().

Screenshot

None

Issues Fixed or Closed

None, but:

I'm running sunshine on Manjaro Linux. Although don't know why, sunshine crashes on client (in my case,moonlight) connect. Tried nightly version and got the same crash.

12月 09 19:57:31 zt-ms7d48 systemd[996]: Started Sunshine is a self-hosted game stream host for Moonlight..
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [nvenc_preset] -- [3]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [address_family] -- [both]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Sunshine version: 0.21.0
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: System tray created
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Error: Environment variable WAYLAND_DISPLAY has not been defined
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detecting monitors
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 0: DP-0, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 1: DP-1, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 2: DP-2, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 3: DP-3, connected: true
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 4: HDMI-0, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 5: DP-4, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Detected monitor 6: DP-5, connected: false
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Trying encoder [nvenc]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Screencasting with X11
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Screencasting with X11
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: SDR color coding [Rec. 601]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Color depth: 8-bit
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Color range: [JPEG]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Screencasting with X11
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: SDR color coding [Rec. 601]
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Color depth: 8-bit
12月 09 19:57:31 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:31]: Info: Color range: [JPEG]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Screencasting with X11
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: SDR color coding [Rec. 601]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color depth: 8-bit
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color range: [JPEG]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Warning: [av1_nvenc @ 0x55f3de824000] Codec not supported
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Fatal: [av1_nvenc @ 0x55f3de824000] Provided device doesn't support required NVENC features
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Error: Could not open codec [av1_nvenc]: 函数未实现
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Screencasting with X11
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: SDR color coding [Rec. 601]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color depth: 8-bit
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color range: [JPEG]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Warning: [av1_nvenc @ 0x55f3de824000] Codec not supported
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Fatal: [av1_nvenc @ 0x55f3de824000] Provided device doesn't support required NVENC features
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Error: Could not open codec [av1_nvenc]: 函数未实现
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Screencasting with X11
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: SDR color coding [Rec. 709]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color depth: 10-bit
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Color range: [JPEG]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info:
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: // Ignore any errors mentioned above, they are not relevant. //
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info:
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Found H.264 encoder: h264_nvenc [nvenc]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Found HEVC encoder: hevc_nvenc [nvenc]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Configuration UI available at [https://localhost:47990]
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Adding avahi service Sunshine
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Avahi service Sunshine successfully established.
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Avahi service name collision, renaming service to Sunshine #2
12月 09 19:57:32 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:32]: Info: Adding avahi service Sunshine #2
12月 09 19:57:33 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:33]: Info: Avahi service Sunshine #2 successfully established.
12月 09 19:57:33 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:33]: Info: Avahi service name collision, renaming service to Sunshine #3
12月 09 19:57:33 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:33]: Info: Adding avahi service Sunshine #3
12月 09 19:57:35 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:35]: Info: Avahi service Sunshine #3 successfully established.
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: // Testing for available encoders, this may generate errors. You can safely ignore those errors. //
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Trying encoder [nvenc]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: SDR color coding [Rec. 601]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color depth: 8-bit
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color range: [JPEG]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: SDR color coding [Rec. 601]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color depth: 8-bit
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color range: [JPEG]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: SDR color coding [Rec. 601]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color depth: 8-bit
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color range: [JPEG]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Warning: [av1_nvenc @ 0x7f4b7c059740] Codec not supported
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Fatal: [av1_nvenc @ 0x7f4b7c059740] Provided device doesn't support required NVENC features
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Error: Could not open codec [av1_nvenc]: 函数未实现
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: SDR color coding [Rec. 601]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color depth: 8-bit
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color range: [JPEG]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Warning: [av1_nvenc @ 0x7f4b7c059740] Codec not supported
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Fatal: [av1_nvenc @ 0x7f4b7c059740] Provided device doesn't support required NVENC features
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Error: Could not open codec [av1_nvenc]: 函数未实现
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: SDR color coding [Rec. 709]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color depth: 10-bit
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Color range: [JPEG]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info:
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: // Ignore any errors mentioned above, they are not relevant. //
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info:
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Found H.264 encoder: h264_nvenc [nvenc]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Found HEVC encoder: hevc_nvenc [nvenc]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Executing [Desktop]
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: CLIENT CONNECTED
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detecting monitors
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 0: DP-0, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 1: DP-1, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 2: DP-2, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 3: DP-3, connected: true
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 4: HDMI-0, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 5: DP-4, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Detected monitor 6: DP-5, connected: false
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Screencasting with X11
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: [2023:12:09:19:57:47]: Info: Configuring selected monitor (0) to stream
12月 09 19:57:47 zt-ms7d48 sunshine[1233955]: /usr/include/c++/13.2.1/bits/stl_algo.h:3669: constexpr const _Tp& std::clamp(const _Tp&, const _Tp&, const _Tp&) [with _Tp = float]: Assertion '!(__hi < __lo)' failed.
12月 09 19:57:48 zt-ms7d48 systemd-coredump[1234131]: Process 1233955 (sunshine) of user 1000 dumped core.
                                                       
                                                       Stack trace of thread 1233962:
                                                       #0  0x00007f4bdccc683c n/a (libc.so.6 + 0x8e83c)
                                                       #1  0x00007f4bdcc76668 raise (libc.so.6 + 0x3e668)
                                                       #2  0x00007f4bdcc5e4b8 abort (libc.so.6 + 0x264b8)
                                                       #3  0x00007f4bdd0dd3b2 _ZSt21__glibcxx_assert_failPKciS0_S0_ (libstdc++.so.6 + 0xdd3b2)
                                                       #4  0x000055f3dd172a40 _ZSt5clampIfERKT_S2_S2_S2_ (sunshine-0.21.0 + 0x1b9a40)
                                                       #5  0x000055f3dd17617a _ZN5input11passthroughERSt10shared_ptrINS_7input_tEEP25_NV_ABS_MOUSE_MOVE_PACKET (sunshine-0.21.0 + 0x1bd17a)
                                                       #6  0x000055f3dd17b778 _ZN5input24passthrough_next_messageESt10shared_ptrINS_7input_tEE (sunshine-0.21.0 + 0x1c2778)
                                                       #7  0x000055f3dd17d6d8 _ZSt13__invoke_implIvRPFvSt10shared_ptrIN5input7input_tEEEJS3_EET_St14__invoke_otherOT0_DpOT1_ (sunshine-0.21.0 + 0x1c46d8)
                                                       #8  0x000055f3dd09777d _ZNKSt8functionIFSt10unique_ptrINSt13__future_base12_Result_baseENS2_8_DeleterEEvEEclEv (sunshine-0.21.0 + 0xde77d)
                                                       #9  0x00007f4bdccc9bbf n/a (libc.so.6 + 0x91bbf)
                                                       #10 0x000055f3dd17ca92 __gthread_once (sunshine-0.21.0 + 0x1c3a92)
                                                       #11 0x000055f3dd098808 _ZNSt13packaged_taskIFvvEEclEv (sunshine-0.21.0 + 0xdf808)
                                                       #12 0x00007f4bdd0e1943 execute_native_thread_routine (libstdc++.so.6 + 0xe1943)
                                                       #13 0x00007f4bdccc49eb n/a (libc.so.6 + 0x8c9eb)
                                                       #14 0x00007f4bdcd487cc n/a (libc.so.6 + 0x1107cc)
                                                       
                                                       Stack trace of thread 1233955:
                                                       #0  0x00007f4bdcd48bf6 epoll_wait (libc.so.6 + 0x110bf6)
                                                       #1  0x000055f3dd0b383b _ZN5boost4asio6detail13epoll_reactor3runElRNS1_8op_queueINS1_19scheduler_operationEEE (sunshine-0.21.0 + 0xfa83b)
                                                       #2  0x000055f3dd13da87 _ZN5boost4asio6detail9scheduler11do_wait_oneERNS1_27conditionally_enabled_mutex11scoped_lockERNS1_21scheduler_thread_infoElRKNS_6system10error_codeE (sunshine-0.21.0 + 0x184a87)
                                                       #3  0x000055f3dd13cdd4 _ZN5boost4asio6detail9scheduler8wait_oneElRNS_6system10error_codeE (sunshine-0.21.0 + 0x183dd4)
                                                       #4  0x000055f3dd06741d main (sunshine-0.21.0 + 0xae41d)
                                                       #5  0x00007f4bdcc5fcd0 n/a (libc.so.6 + 0x27cd0)
                                                       #6  0x00007f4bdcc5fd8a __libc_start_main (libc.so.6 + 0x27d8a)
                                                       #7  0x000055f3dd06dba5 _start (sunshine-0.21.0 + 0xb4ba5)

From the backtrace (I manually rebuilt sunshine for it), it seems that the code is crashing in std::clamp call inside input::passthrough(std::shared_ptr<input::input_t>&, _NV_ABS_MOUSE_MOVE_PACKET*). I tried sudo coredumpctl debug later, but didn't figure out what is really going wrong. Nonetheless, after replaceing the std::clamps, the code is no longer crashing in my case.

Type of Change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Dependency update (updates to dependencies)
• [ ] Documentation update (changes to documentation)
• [ ] Repository update (changes to repository files, e.g. .github/...)

Checklist

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch must be updated before it can be merged. You must also Allow edits from maintainers.

• [x] I want maintainers to keep my branch updated

[CLAassistant]

All committers have signed the CLA.

[cgutman]

Hmm, that means we're somehow getting a negative viewport size. Swapping out std::clamp() prevents the assert failure, but it's not going to work correctly.

Can you print the values of val and size?

[ReenigneArcher]

Closing due to no response.

[happyme531]

I had this issue again with latest sunshine master branch.

• It seems only happening when using moonlight under X11. (discovered because Minecraft suddenly started to flickering under Wayland so I have to switch back to X11, then sunshine started to crash again). It could be a moonlight bug?

• This time I added some check:

float x = val.first;
float y = val.second;

bool invalidInput = false;

if (scalarX <= 0 || scalarY <= 0 ||
    size.first <= 0 || size.second <= 0 ||
    touch_port.client_offsetX < 0 || touch_port.client_offsetY < 0)
{
    std::cerr << "Invalid input values detected:" << std::endl;
    std::cerr << "scalarX: " << scalarX << ", scalarY: " << scalarY << std::endl;
    std::cerr << "size.first: " << size.first << ", size.second: " << size.second << std::endl;
    std::cerr << "touch_port.client_offsetX: " << touch_port.client_offsetX
              << ", touch_port.client_offsetY: " << touch_port.client_offsetY << std::endl;
    invalidInput = true;
}
float offsetX,offsetY;
if (!invalidInput)
{
    x = std::min(std::max(x, 0.0f), size.first) * scalarX;
    y = std::min(std::max(y, 0.0f), size.second) * scalarY;

offsetX = touch_port.client_offsetX;
offsetY = touch_port.client_offsetY;

    x = std::min(std::max(x, offsetX), (size.first * scalarX) - offsetX);
    y = std::min(std::max(y, offsetY), (size.second * scalarY) - offsetY);
}
    return { (x - offsetX) * touch_port.scalar_inv, (y - offsetY) * touch_port.scalar_inv };
  }

And, it prints:

 [2024:04:08:22:22:47]: Info: Configuring selected monitor (0) to stream
Invalid input values detected:
 scalarX: 0, scalarY: 0
 size.first: 2559, size.second: 1079
touch_port.client_offsetX: 1, touch_port.client_offsetY: 0
 Invalid input values detected:
 scalarX: 0, scalarY: 0
 size.first: 2559, size.second: 1079
 touch_port.client_offsetX: 1, touch_port.client_offsetY: 0

• (The error only be reported 2 times.)

• So in this case x = std::clamp(x, offsetX, (size.first * scalarX) - offsetX); will goes to clamp(x, 1, -1) and result in a crash.

• After that everything works correctly, no more error is reported. Maybe we can simply do a check and drop these input values to finally solve the issue.

[codecov[bot]]

Codecov Report

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Additional details and impacted files

@@            Coverage Diff            @@
##             nightly   #1905   +/-   ##
=========================================
  Coverage           ?   2.01%           
=========================================
  Files              ?      58           
  Lines              ?   12083           
  Branches           ?    5460           
=========================================
  Hits               ?     243           
  Misses             ?   11713           
  Partials           ?     127           

Flag	Coverage Δ
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Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/input.cpp	0.00% <0.00%> (ø)

[cgutman]

@happyme531 Thanks for the additional debugging work. Please try my fix in #2410 and see if it addresses the issue for you.