result:
node
Welcome to Node.js v12.4.0.
Type ".help" for more information.
> a = undefined
undefined
> a >>> 0
0
> let buffer
undefined
> buffer |= 0
0
Thanks for the patch :-)
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Hi Peter,
I will try the tag and report back.
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https://bugs.launchpad.net/bugs/1832281
Title:
tcg bug master / 4.0.0 v8 operation >>> and |=
Status in QEMU:
New
Bug description:
Public bug reported:
vm guest is linux, executed with tcg
running this Node.js snippet leads to
$ node
> a = undefined
undefined
> a >>> 0
4294967295
host node
$ node
> a = undefined
undefined
> a >>> 0
0
same with |=
node
Welcome to Node.js v12.4.0.
Type ".help" for more information.
> let
Public bug reported:
qemu-system-x86_64 -net nic,model=help
output comes to stderr instead of std
qemu-system-x86_64 -net nic,model=help -> stdout
qemu-system-x86_64 -machine help -> stdout
qemu-system-x86_64 -cpu help -> stdout
as of
Public bug reported:
compiled qemu at commit 1eeace9c237a729d11c7acd7c0338ab4562af637
with ./configure --enable-debug --enable-vnc --target-
list=x86_64-softmmu
gdb --args ./qemu-system-x86_64 -nographic -parallel none -serial none
-nodefconfig -nodefaults -machine accel=kvm -enable-kvm -m
RIght, with '-usb' qemu creates then 'piix3-usb-uhci' device:
00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB
[Natoma/Triton II] (rev 01)
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Hi, I had the same problem. Tested a lot. My solution to passthrough usb
devices to a windows 7 x64 guest:
parameter part:
-device usb-ehci,id=usb,bus=pci.0,addr=0x4 -device usb-
host,vendorid=0x{},productid=0x{},id=hostdev0,bus=usb.0
I also tried the device
piix4-usb-uhci
instead of usb-ehci
followup:
my understanding is there are a bunch of usb interfaces:
uhci is usb 1.0
ehci is usb 2.0
xhci is usb 3.0
…
-device piix3-usb-uhci will create an usb 1.0 interface. I guess usb 1.0
is insufficent for modern usb devices so windows errors with code 10.
ehci have enough to bring full
