Hello Sebastion,
so the rndis configuration works...
No I see on the target with the rt-preempt patch this kernel message:
[ 97.206853] g_ether gadget: high-speed config #2: RNDIS <- the debian host is already connected and we have a putty connection to the target
[ 247.216366] g_ether gadget: rndis response on err -22 <- the debian host say: communication error
[ 248.974081] NOHZ: local_softirq_pending 02
[ 248.974135] NOHZ: local_softirq_pending 80
[ 248.984213] NOHZ: local_softirq_pending 182
[ 249.010278] [sched_delayed] sched: RT throttling activated
[ 249.996113] NOHZ: local_softirq_pending 02
[ 249.996647] NOHZ: local_softirq_pending 82
[ 249.996798] NOHZ: local_softirq_pending 102
[ 250.986077] NOHZ: local_softirq_pending 100
[ 250.987073] NOHZ: local_softirq_pending 102
[ 251.976188] NOHZ: local_softirq_pending 02
[ 253.286567] pch_udc 0000:05:02.4: pch_udc_ep_clear_nak: RxFIFO not Empty
[ 254.972880] NOHZ: local_softirq_pending 02
On this situation the target is very slow.
top shows:
Mem: 29972K used, 464160K free, 0K shrd, 0K buff, 8040K cached
CPU: 0.1% usr 71.8% sys 0.0% nic 11.0% idle 0.0% io 0.0% irq 16.9% sirq
Load average: 4.52 2.48 1.06 2/86 203
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
61 2 root SW 0 0.0 0 20.1 [irq/18-pch-dma]
78 2 root SW 0 0.0 0 16.6 [irq/18-ehci_hcd]
188 2 root SW 0 0.0 0 14.5 [irq/18-pch_udc]
82 2 root SW 0 0.0 0 9.1 [irq/18-ohci_hcd]
81 2 root SW 0 0.0 0 8.3 [irq/18-ohci_hcd]
80 2 root SW 0 0.0 0 7.8 [irq/18-ohci_hcd]
3 2 root RW 0 0.0 0 6.6 [ksoftirqd/0]
I hope that is right information to find the problem.
Greetings
Alexander
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