On 17.12.2013 19:59, Eric Dumazet wrote:
On Tue, 2013-12-17 at 19:13 +0100, Knut Petersen wrote:
Hi Linus / everybody!
Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
warning.
cu,
Knut
Following patch should solve the issue.
http://patchwork.ozlabs.org/patch/301382/
From: Linus Torvalds
Date: Tue, 17 Dec 2013 11:06:15 -0800
> this seems to be due to __udp4_lib_rcv() doing udp_sk_rx_dst_set(),
> which takes the 'sk->sk_dst_lock' spinlock. This all happens in a
> software irq context.
I have a fix for this from Eric that I'll send to you today.
--
To
David, Eric, netdev,
this seems to be due to __udp4_lib_rcv() doing udp_sk_rx_dst_set(),
which takes the 'sk->sk_dst_lock' spinlock. This all happens in a
software irq context.
And on the other hand, inet_csk_listen_start() does sk_dst_reset(),
which takes the same lock *without* bh-disable, so
On Tue, 2013-12-17 at 19:13 +0100, Knut Petersen wrote:
> Hi Linus / everybody!
>
> Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
> warning.
>
> cu,
> Knut
>
>
Following patch should solve the issue.
http://patchwork.ozlabs.org/patch/301382/
Sorry for this ...
Thanks
Hi Linus / everybody!
Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
warning.
cu,
Knut
golem kernel: [ 25.324096]
golem kernel: [ 25.326525] =
golem kernel: [ 25.328009] [ INFO: inconsistent lock state ]
golem kernel: [ 25.328009]
Hi Linus / everybody!
Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
warning.
cu,
Knut
golem kernel: [ 25.324096]
golem kernel: [ 25.326525] =
golem kernel: [ 25.328009] [ INFO: inconsistent lock state ]
golem kernel: [ 25.328009]
On Tue, 2013-12-17 at 19:13 +0100, Knut Petersen wrote:
Hi Linus / everybody!
Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
warning.
cu,
Knut
Following patch should solve the issue.
http://patchwork.ozlabs.org/patch/301382/
Sorry for this ...
Thanks
--
To
David, Eric, netdev,
this seems to be due to __udp4_lib_rcv() doing udp_sk_rx_dst_set(),
which takes the 'sk-sk_dst_lock' spinlock. This all happens in a
software irq context.
And on the other hand, inet_csk_listen_start() does sk_dst_reset(),
which takes the same lock *without* bh-disable, so
From: Linus Torvalds torva...@linux-foundation.org
Date: Tue, 17 Dec 2013 11:06:15 -0800
this seems to be due to __udp4_lib_rcv() doing udp_sk_rx_dst_set(),
which takes the 'sk-sk_dst_lock' spinlock. This all happens in a
software irq context.
I have a fix for this from Eric that I'll send
On 17.12.2013 19:59, Eric Dumazet wrote:
On Tue, 2013-12-17 at 19:13 +0100, Knut Petersen wrote:
Hi Linus / everybody!
Booting openSuSE 13.1 with kernel 3.13.0-rc4 triggers the attached
warning.
cu,
Knut
Following patch should solve the issue.
http://patchwork.ozlabs.org/patch/301382/
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