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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/device/1722857 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/gemma3:12b/device/1722857')
| -rw-r--r-- | results/classifier/gemma3:12b/device/1722857 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/device/1722857 b/results/classifier/gemma3:12b/device/1722857 new file mode 100644 index 00000000..4c4b08a5 --- /dev/null +++ b/results/classifier/gemma3:12b/device/1722857 @@ -0,0 +1,6 @@ + +Missing PCI "programming interface" ID emulation for USB host controllers + +Qemu doesn't currently emulate the correct value of the "register level programming interface" field in the PCI config space of USB host controllers. As a result, some guest operating systems (most notably Windows) fail to load e.g. generic xHCI drivers, and instead ask for a vendor-specific driver, which may not be always available. + +Example: "-device nec-usb-xhci" emulates a Renesas (formerly NEC) uPD720202 xHCI controller. However, in the PCI config space, it shows us as class 0C, subclass 03, prog-if 00 (UHCI) where as the real uPD720202 (and all real xHCI controllers) have prog-if 30 (xHCI). A Windows guest booted with this option will not recognize devices attached to the XHCI controller unless drivers from Renesas are manually installed first, even though recent Windows versions include a generic xHCI driver that works perfectly well with real uPD720202 hardware.
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