Date: Tue, 31 Jul 2012 08:16:07 -0700 From: Garrett Cooper <yanegomi@gmail.com> To: Andrey Zonov <andrey@zonov.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, Adrian Chadd <adrian@freebsd.org>, src-committers@freebsd.org, Luigi Rizzo <luigi@freebsd.org> Subject: Re: svn commit: r238765 - head/sys/dev/e1000 Message-ID: <CAGH67wSTfQwAZVpYtBQSs0iaZ7RhqLVu3DFVp9R5R7qXMra-RQ@mail.gmail.com> In-Reply-To: <5017F614.1010304@zonov.org> References: <201207251128.q6PBSFlt052575@svn.freebsd.org> <CAJ-Vmokw-9if%2BzdTiG3ZeKaVVzE%2BTCtLhWM8ry1iaeRr7AC8gA@mail.gmail.com> <5017F614.1010304@zonov.org>
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On Tue, Jul 31, 2012 at 8:13 AM, Andrey Zonov <andrey@zonov.org> wrote:
> On 7/28/12 2:09 AM, Adrian Chadd wrote:
>>
>> Hi,
>>
>> Can you please revert this commit for now?
>>
>> * it has some netmap stuff in it that isn't related to the commit;
>> * it's causing panics due to lock recursion;
>
>
> I can confirm panics with the latest HEAD running under ESX.
>
> _mtx_lock_sleep: recursed on non-recursive mutex em0 @
> /usr/src/sys/dev/e1000/if_lem.c:881
>
> Tracing pid 12 tid 100030 td 0xfffffe0002960480
> kdb_enter() at kdb_enter+0x3b
> panic() at panic+0x1d1
> _mtx_lock_sleep() at _mtx_lock_sleep+0x35f
> _mtx_lock_flags() at _mtx_lock_flags+0x111
> lem_start() at lem_start+0x34
> if_transmit() at if_transmit+0xd6
> ether_output_frame() at ether_output_frame+0x45
> ether_output() at ether_output+0x548
> arpintr() at arpintr+0x10c1
> netisr_dispatch_src() at netisr_dispatch_src+0x152
> ether_demux() at ether_demux+0x18d
> ether_nh_input() at ether_nh_input+0x290
> netisr_dispatch_src() at netisr_dispatch_src+0x152
> lem_intr() at lem_intr+0x3ba
> intr_event_execute_handlers() at intr_event_execute_handlers+0x6a
> ithread_loop() at ithread_loop+0xab
> fork_exit() at fork_exit+0x135
> fork_trampoline() at fork_trampoline+0xe
> --- trap 0, rip = 0, rsp = 0xffffff8000301cb0, rbp = 0 ---
http://lists.freebsd.org/pipermail/freebsd-current/2012-July/035593.html
Cheers,
-Garrett
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