On 2/3/22 09:54, Greg Kroah-Hartman wrote:
On Thu, Feb 03, 2022 at 01:41:11AM +0100, Philipp Hortmann wrote:
I managed to get a device vt6656 (USB WiFi adapter). The device works OK
when the computer is started and driver loaded. When the WLAN is disabled
the system freezes often.
I am using ubuntu 20.04 with kernel 5.17.0-rc1 x86_64
branch: staging-testing
After some tries I found out that it is a function in vnt_stop() main_usb.c
with the following line that is causing this.
usb_kill_urb(priv→interrupt_urb);
But this memory is after this line still in use.
What "memory" do you mean?
They are calling usb_kill_urb(priv→interrupt_urb); while using
priv→interrupt_urb and maybe also starting new
usb_submit_urb(priv->interrupt_urb, GFP_ATOMIC);
Thanks for your quick answer.
Bye Philipp
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