Ingo Molnar <[email protected]> :
[...]
> i'm wondering, is this a genuine deadlock, or a false positive? The
> dependency chain is quite complex, but looks realistic:
>
> -> #4 {&dev->xmit_lock}: [<c045294b>] dev_watchdog+0x1b/0xc0
> -> #3 {&dev->queue_lock}: [<c0447154>] dev_queue_xmit+0x64/0x290
> -> #2 {&((sk)->sk_lock.slock)}: [<c043eb66>] sk_clone+0x66/0x200
> -> #1 {&((sk)->sk_lock.slock)}: [<c047a116>] tcp_v4_rcv+0x726/0x9d0
> -> #0 {&tp->rx_lock}: [<c033e460>] rtl8139_tx_timeout+0x110/0x1f0
It looks like watchdog racing against rx_poll (which should/can not
happen). Do you have something specific in mind ?
--
Ueimor
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