On 1/14/2019 1:38 PM, David C. Rankin wrote:
On 01/14/2019 02:11 PM, Daniel Miller via VBox-users-community wrote:
On 1/13/2019 6:47 PM, David C. Rankin wrote:
On 01/13/2019 01:35 AM, David C. Rankin wrote:
I don't know whether this is normal or FUBAR -- but it seems to correspond to
every line of dir output once the screen starts to scroll on cmd.exe.
Is this normal??
I probably cut the strace output off a few lines early. The only other line in
the output is:
futex(0x19431b8, FUTEX_WAKE_PRIVATE, 1) = 1
Do we have a threading issue locked thread causing the issue?
..
So it looks like something is FUBAR with the select/read for win32 guests (I
have no win64 guests to test)
Never saw a specific reply to Bruce's earlier suggestion. Have you tried
changing from Hyper-V to KVM to see if there's a difference? Not saying
anything about *should* - but give it a try.
Daniel
Daniel,
Thank you. I have made the change or virtualization to KVM and the problem
remains exactly the same. Moreover, this seems to be a problem with the 6.0.0
interface when accessed remotely. Why I don't see the marked slowdown with
Linux guests is a mystery. However, simply starting VirtualBox to make the
change to KVM (over ssh -X) is horrendously slow.
I've often used VirtualBox over ssh to make changes to a guest config. While
it hasn't ever been crisp and snappy that way, at least in the past it was
usable. Now, it is unbearably slow. With no guests running, simply trying to
start VirtualBox over ssh takes 15 seconds just to fill in the guest details
after the window appears. Bizarre.
If you move your mouse over the guests, there is a 4-5 second delay before
you see the TreeList items highlight. To access anything you have to put the
cursor over the button or selection and wait 4-5 seconds for focus to catch up
and actually make the button ready to be clicked.
I suspect this is related to the problem I am having with the Win7 guest. I
went ahead and grabbed another strace with the Win7 guest running using KVM
virtualization -- exact same information output on stderr:
..
Not a direct answer to your problem as I haven't encountered it - but as
I typically use a Windoze computer myself (you can only work so many
hours...and my games unfortunately don't like penguins) I've had to find
a remote solution myself. Originally I would use NX (I still use the
legacy 3.5 version) to access the VirtualBox server - but I can tell you
a working installation of phpVirtualBox is a godsend for server
administration! I still use RDC with Windows guests (logging into the
guest and using "native" services, not using the VirtualBox port) for
interacting with guest applications.
Daniel
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