lkml.org 
[lkml]   [2006]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [lock validator] drivers/net/8139too.c: deadlock?
Ingo Molnar <mingo@elte.hu> :
[...]
> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-01-27 01:40    [W:0.065 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site