Fix Pi 5 driver selection crash when only libgpiod.so.3 is installed by Copilot · Pull Request #2490 · dotnet/iot

Copilot · 2026-04-02T15:52:44Z

The RaspberryPi5 case in GetBestDriverForBoardOnLinux() hardcodes LibGpiodDriver.GetAvailableChips() (V1 ABI, requires libgpiod.so.2), which crashes on recent Pi OS images that only ship libgpiod.so.3. Meanwhile, unmapped Pi 5 revisions fall through to UnixDriver.Create() which handles this gracefully — so rev 1.0 crashes but rev 1.1 works.

Changes

GpioController.cs: Pi 5 case now tries LibGpiodDriver (V1) first, then falls back to LibGpiodV2Driver (V2 ABI) if V1 throws DllNotFoundException, matching the try/catch pattern already used by GpioDriver.TryCreate() and UnixDriver.Create()
RaspberryBoardInfo.cs: Added firmware code 0x4171 (Pi 5 rev 1.1) to the RaspberryPi5 mapping so it gets proper Pi 5 driver selection instead of falling through to Unknown

// Before: crashes if libgpiod.so.2 is missing
var chips = LibGpiodDriver.GetAvailableChips();

// After: tries V1, falls back to V2
try
{
    selectedChip = LibGpiodDriver.GetAvailableChips().FirstOrDefault(x => x.NumLines == 54);
}
catch (Exception ex) when (ex is DllNotFoundException or PlatformNotSupportedException)
{
}

if (selectedChip is null)
{
    selectedChip = LibGpiodV2Driver.GetAvailableChips().FirstOrDefault(x => x.NumLines == 54);
    useV2 = true;
}

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

1oavsblobprodcus350.vsblob.vsassets.io
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/devices/Common/Common.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/DevicesApiTester/DeviceApiTester.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/System.Device.Gpio/System.Device.Gpio.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
2kmvsblobprodcus39.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
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- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/System.Device.Gpio/System.Device.Gpio.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
6s7vsblobprodcus313.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/DevicesApiTester/DeviceApiTester.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/devices/Ft232H/Ft232H.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/devices/Ags01db/Ags01db.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
gbsvsblobprodcus365.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/DevicesApiTester/DeviceApiTester.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/devices/RGBLedMatrix/RGBLedMatrix.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true ng/emptyFakeDotnetRoot ing/emptyFakeDotnetRoot (dns block)
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- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
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- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
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- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
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- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/System.Device.Gpio/System.Device.Gpio.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
ofvvsblobprodcus315.vsblob.vsassets.io
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/DevicesApiTester/DeviceApiTester.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/System.Device.Gpio/System.Device.Gpio.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
p2ovsblobprodcus312.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
pkvvsblobprodcus321.vsblob.vsassets.io
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/src/System.Device.Gpio/System.Device.Gpio.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
s4uvsblobprodcus326.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/samples/samples.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
- Triggering command: /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/.dotnet/dotnet restore --no-dependencies /home/REDACTED/work/iot/iot/tools/ArduinoCsCompiler/ArduinoCsCompiler.sln --packages /tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/packages /p:DisableImplicitNuGetFallbackFolder=true --verbosity normal /p:TargetFrameworkRootPath=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:NetCoreTargetingPackRoot=/tmp/codeql-scratch-db3f4ba25dde505c/dbs/csharp/working/emptyFakeDotnetRoot /p:AllowMissingPrunePackageData=true (dns block)
sc4vsblobprodcus331.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
securitytools.pkgs.visualstudio.com
- Triggering command: /opt/hostedtoolcache/CodeQL/2.24.3/x64/codeql/csharp/tools/linux64/Semmle.Autobuild.CSharp /opt/hostedtoolcache/CodeQL/2.24.3/x64/codeql/csharp/tools/linux64/Semmle.Autobuild.CSharp (dns block)
tphvsblobprodcus375.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)
yluvsblobprodcus367.vsblob.vsassets.io
- Triggering command: /home/REDACTED/work/iot/iot/.dotnet/dotnet /home/REDACTED/work/iot/iot/.dotnet/dotnet build src/System.Device.Gpio/System.Device.Gpio.csproj (dns block)

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Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

…so.3 is installed - Add Pi 5 rev 1.1 firmware code (0x4171) to board model mapping - Fix Pi 5 driver selection to try LibGpiodDriver (V1/libgpiod.so.2) first, then fall back to LibGpiodV2Driver (V2/libgpiod.so.3), matching the graceful fallback pattern used elsewhere in the codebase Agent-Logs-Url: https://github.com/dotnet/iot/sessions/a5e2c635-cb09-4a00-a38e-62450f138d7a Co-authored-by: krwq <660048+krwq@users.noreply.github.com>

Initial plan

4fd941f

Copilot AI assigned Copilot and krwq Apr 2, 2026

Copilot AI linked an issue Apr 2, 2026 that may be closed by this pull request

Inconsistent behavior for Pi 5 rev 1.0 vs 1.1 when only libgpiod.so.3[.x.x] is installed #2489

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Copilot started work on behalf of krwq April 2, 2026 16:19 View session

dotnet-policy-service bot added the area-System.Device.Gpio Contains types for using general-purpose I/O (GPIO) pins label Apr 2, 2026

Copilot AI changed the title ~~[WIP] Fix inconsistent behavior for Pi 5 rev 1.0 and 1.1~~ Fix Pi 5 driver selection crash when only libgpiod.so.3 is installed Apr 2, 2026

Copilot AI requested a review from krwq April 2, 2026 16:29

Copilot finished work on behalf of krwq April 2, 2026 16:29

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Fix Pi 5 driver selection crash when only libgpiod.so.3 is installed#2490

Fix Pi 5 driver selection crash when only libgpiod.so.3 is installed#2490
Copilot wants to merge 2 commits intomainfrom
copilot/fix-inconsistent-behavior-pi5

Copilot AI commented Apr 2, 2026 •

edited

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Copilot AI commented Apr 2, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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I tried to connect to the following addresses, but was blocked by firewall rules:

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Copilot AI commented Apr 2, 2026 •

edited

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