On 10.07.25 10:50, John Ernberg wrote:
Having a Gemalto Cinterion PLS83-W modem attached to USB and activating the cellular data link would sometimes yield the following RCU stall, leading to a system freeze:
[..]
if (!netif_carrier_ok(dev->net)) { /* kill URBs for reading packets to save bus bandwidth */
unlink_urbs(dev, &dev->rxq);usbnet_pause_rx(dev);
usbnet_resume_rx(dev);
This will schedule work. Do you really want that?
Regards Oliver