From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <50F6C657.2060503@xenomai.org>
Date: Wed, 16 Jan 2013 16:25:11 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai] ipipe: fix domain migration helper
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Xenomai <xenomai@xenomai.org>

On 01/16/2013 04:14 PM, Jan Kiszka wrote:
> Hi Philippe,
>
> a first heads-up, maybe you have an idea before I start debugging: That
> patch causes troubles when our application shuts down. The main thread
> hangs like this, unkillable:
>

It looks like the LO_WAKEUP_REQ virtual interrupt does not reach the 
handler.

> # cat /proc/xenomai/sched
> CPU  PID    CLASS  PRI      TIMEOUT   TIMEBASE   STAT       NAME
>    0  0      idle    -1      -         master     R          ROOT/0
>    1  0      idle    -1      -         master     R          ROOT/1
>    2  0      idle    -1      -         master     R          ROOT/2
>    3  0      idle    -1      -         master     R          ROOT/3
>    4  0      idle    -1      -         master     R          ROOT/4
>    5  0      idle    -1      -         master     R          ROOT/5
>    6  0      idle    -1      -         master     R          ROOT/6
>    7  0      idle    -1      -         master     R          ROOT/7
>    8  0      idle    -1      -         master     R          ROOT/8
>    9  0      idle    -1      -         master     R          ROOT/9
>   10  0      idle    -1      -         master     R          ROOT/10
>   11  0      idle    -1      -         master     R          ROOT/11
>    0  2435   rt       0      -         master     X          ShadowTask_2435
> # cat /proc/2435/stack
> [<ffffffff810b5b94>] xnpod_suspend_thread+0x434/0x570
> [<ffffffff810beb30>] xnshadow_relax+0xe0/0x240
> [<ffffffff810c08e3>] losyscall_event+0x1c3/0x280
> [<ffffffff8109e73a>] ipipe_syscall_hook+0x5a/0x90
> [<ffffffff8109c311>] __ipipe_notify_syscall+0x131/0x2e0
> [<ffffffff8101e841>] __ipipe_syscall_root+0x41/0x160
> [<ffffffff8126a41a>] __ipipe_syscall_root_thunk+0x35/0x67
> [<ffffffffffffffff>] 0xffffffffffffffff
>
> This was with your current core-3.5 branch.
>
> I'm currently updating my virtual debug environment. The issue may also
> be reproducible with standard Xenomai tests.
>
> Jan
>


-- 
Philippe.