On Tue, 3 Dec 2013, yoma sophian wrote:
This isn't a race condition, because the driver does not terminate
isochronous URBs before they are scheduled to end.
For example, suppose there was an isochronous URB that was scheduled to
transmit packets during microframes 100, 180, 260, and
2013/12/2 Alan Stern st...@rowland.harvard.edu:
On Sun, 1 Dec 2013, yoma sophian wrote:
Suppose itds are submitted then ehci_work is triggered by bulk
interrupt and ehci-isoc_count 0.
The race condition may happen if hardware hasn't handled those itds,
right?
I don't know what
On Sun, 1 Dec 2013, yoma sophian wrote:
Suppose itds are submitted then ehci_work is triggered by bulk
interrupt and ehci-isoc_count 0.
The race condition may happen if hardware hasn't handled those itds, right?
I don't know what race condition you are talking about. Please explain
2013/11/19 Alan Stern st...@rowland.harvard.edu:
Please use Reply-To-All so that your message gets sent to the mailing
list as well as to me.
Sorry for forgetting that :)
On Sat, 16 Nov 2013, yoma sophian wrote:
hi alan:
My questions are:
1. in usb driver,
ehci-sched.c --
On Sun, 24 Nov 2013, yoma sophian wrote:
My questions are:
1. in usb driver,
ehci-sched.c -- itd_complete -
if (unlikely (t ISO_ERRS)) {
.. (case A)
} else if (likely ((t EHCI_ISOC_ACTIVE) == 0)) {
(case b)
SORRY for send the wrong mail :)
2013/11/23 yoma sophian sophian.y...@gmail.com:
2013/11/19 Alan Stern st...@rowland.harvard.edu:
Please use Reply-To-All so that your message gets sent to the mailing
list as well as to me.
On Sat, 16 Nov 2013, yoma sophian wrote:
hi alan:
There are
Please use Reply-To-All so that your message gets sent to the mailing
list as well as to me.
On Sat, 16 Nov 2013, yoma sophian wrote:
hi alan:
There are other examples in the log like this one. To fix the problem
you could put more packets in each URB, or use more URBs, or eliminate
On Sat, 16 Nov 2013, yoma sophian wrote:
hi all:
When capturing audio through HS webcam by iso protocol under my
embedded system, I can hear the audio is not continuous.
The problem is that sometimes the URBs don't get submitted soon enough.
Then I check usb mon and i found sometime the
