diff options
Diffstat (limited to 'results/classifier/118/kernel/1843711')
| -rw-r--r-- | results/classifier/118/kernel/1843711 | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/results/classifier/118/kernel/1843711 b/results/classifier/118/kernel/1843711 deleted file mode 100644 index b03cd8ed..00000000 --- a/results/classifier/118/kernel/1843711 +++ /dev/null @@ -1,65 +0,0 @@ -kernel: 0.938 -device: 0.849 -user-level: 0.741 -peripherals: 0.650 -architecture: 0.644 -network: 0.639 -socket: 0.601 -performance: 0.587 -semantic: 0.573 -debug: 0.569 -PID: 0.532 -ppc: 0.517 -permissions: 0.511 -register: 0.477 -graphic: 0.462 -files: 0.447 -mistranslation: 0.425 -boot: 0.412 -x86: 0.394 -vnc: 0.342 -VMM: 0.323 -virtual: 0.303 -risc-v: 0.291 -hypervisor: 0.270 -arm: 0.269 -i386: 0.252 -TCG: 0.221 -KVM: 0.200 -assembly: 0.187 - -qemu-xhci device should detect if libusb host supports streams - -When using USBÂ passthrough with the qemu-xhci (and nec-usb-xhci), streams are enabled by default, but if the host xHCI controller doesn't support them, it will trigger hard-to-debug UAS guest errors. - -This should be possible to detect since the kernel returns ENOSYS (errno 38) when xhci host controller does not support streams: - libusb: error [do_streams_ioctl] streams-ioctl failed error -1 errno 38 - qemu: libusb_alloc_streams: -99 [OTHER] - -Maybe libusb should return a dedicated error instead of LIBUSB_ERROR_OTHER in this case, but qemu does not handle any other error code anyway. - -Just trying to enable streams before enabling them in qemu should do it. I don't know if it should be done in hcd-xhci.c, host-libusb.c or elsewhere, but this would be detectable at launch instead of a static option true/false, maybe a ternary with auto would be better. - -The QEMU project is currently considering to move its bug tracking to -another system. For this we need to know which bugs are still valid -and which could be closed already. Thus we are setting older bugs to -"Incomplete" now. - -If you still think this bug report here is valid, then please switch -the state back to "New" within the next 60 days, otherwise this report -will be marked as "Expired". Or please mark it as "Fix Released" if -the problem has been solved with a newer version of QEMU already. - -Thank you and sorry for the inconvenience. - - -This is a suggestion that would really help anyone using trying to use xhci passthrough on a platform without streams. - - -This is an automated cleanup. This bug report has been moved to QEMU's -new bug tracker on gitlab.com and thus gets marked as 'expired' now. -Please continue with the discussion here: - - https://gitlab.com/qemu-project/qemu/-/issues/182 - - |
