diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1892581')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1892581 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1892581 b/results/scraper/launchpad-without-comments/1892581 new file mode 100644 index 000000000..d942a0209 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1892581 @@ -0,0 +1,42 @@ +QEMU 5.1 no longer says anything about inaccessible devices + +Previously, with QEMU 5.0.0 running a VM with the following command: + +$ qemu-system-x86_64 -enable-kvm -hda arch-zoom.qcow2 -m 4G -device usb-ehci,id=ehci -device usb-host,bus=ehci.0,vendorid=0x04f2,productid=0xb449 -device intel-hda -device hda-duplex -vga virtio + +Would display something like the following: + +libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/002/004: Permission denied +libusb: error [_get_usbfs_fd] libusb requires write access to USB device nodes. +libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/002/004: Permission denied +libusb: error [_get_usbfs_fd] libusb requires write access to USB device nodes. + +With insufficient permissions. + +QEMU 5.1.0 no longer displays anything. + +I did a git bisect and this is the result: + +[diego@thinkpad qemu]$ git bisect bad +9f815e83e983d247a3cd67579d2d9c1765adc644 is the first bad commit +commit 9f815e83e983d247a3cd67579d2d9c1765adc644 +Author: Gerd Hoffmann <email address hidden> +Date: Fri Jun 5 14:59:52 2020 +0200 + + usb: add hostdevice property to usb-host + + The new property allows to specify usb host device name. Uses standard + qemu_open(), so both file system path (/dev/bus/usb/$bus/$dev on linux) + and file descriptor passing can be used. + + Requires libusb 1.0.23 or newer. The hostdevice property is only + present in case qemu is compiled against a new enough library version, + so the presence of the property can be used for feature detection. + + Signed-off-by: Gerd Hoffmann <email address hidden> + Message-Id: <email address hidden> + + hw/usb/host-libusb.c | 75 ++++++++++++++++++++++++++++++++++++++++++---------- + hw/usb/trace-events | 1 + + 2 files changed, 62 insertions(+), 14 deletions(-) +[diego@thinkpad qemu]$ \ No newline at end of file |