On 2019-07-07 18:58, Hans Petter Selasky wrote:
On 2019-07-07 18:54, Steve Kargl wrote:
This a 7720 line, 262KB file, do you want me to send it
to you in private email or put in my home directory on
freefall (i.e.,ka...@freefall.freebsd.org).
Send it to the people CC'ed, except the list.
Hi,
I'm wondering if there is a race by default, that wee need to explore
the root HUBs in a certain order?
Can you try to reverse the order in usb_needs_explore_all() in
sys/dev/usb and put a pause("W", hz); call between each iteration?
--HPS
void
usb_needs_explore_all(void)
{
struct usb_bus *bus;
devclass_t dc;
device_t dev;
int max;
DPRINTFN(3, "\n");
dc = usb_devclass_ptr;
if (dc == NULL) {
DPRINTFN(0, "no devclass\n");
return;
}
/*
* Explore all USB buses in parallel.
*/
max = devclass_get_maxunit(dc);
while (max >= 0) {
dev = devclass_get_device(dc, max);
if (dev) {
bus = device_get_softc(dev);
if (bus) {
usb_needs_explore(bus, 1);
}
}
max--;
}
}
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