From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Wolfgang Grandegger <wg@domain.hid>
Cc: xenomai-help <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] Oops when exiting Xenomai POSIX application
Date: Thu, 01 Jan 2009 13:16:07 +0100 [thread overview]
Message-ID: <495CB407.10801@domain.hid> (raw)
In-Reply-To: <495C80FB.7050501@domain.hid>
Wolfgang Grandegger wrote:
> Hello,
>
> first a Happy New Year to everybody.
>
> With the POSIX skin of Xenomai trunk I get the following Oops when I
> exit my application (with ^C) on my PowerPC :
>
> Xenomai: fatal: removing non-linked element, holder=c78e69c8, qslot=c7b03030 at kernel/xenomai/skins/posix/thread.c:52
> [ 4081.676346] CPU PID PRI TIMEOUT STAT NAME
> [ 4081.676356] > 0 0 -1 0 00500080 ROOT
> [ 4081.676366] 0 1128 37 0 00300380 UT1
> [ 4081.676376] Master time base: clock=137696806566
> [ 4081.676385]
> [ 4081.722024] Call Trace:
> [ 4081.724515] [c7b19d40] [c0008088] show_stack+0x4c/0x1ac (unreliable)
> [ 4081.731030] [c7b19d80] [c0085670] thread_destroy+0x230/0x23c
> [ 4081.736823] [c7b19da0] [c0085c28] thread_delete_hook+0xf4/0xf8
> [ 4081.742781] [c7b19dc0] [c0053b74] xnpod_fire_callouts+0x48/0x94
> [ 4081.748845] [c7b19de0] [c005fa64] xnsched_zombie_hooks+0x5c/0xcc
> [ 4081.754982] [c7b19df0] [c005fb50] xnsched_finish_unlocked_switch+0x7c/0x9c
> [ 4081.762003] [c7b19e00] [c0054ad4] __xnpod_schedule+0x1f8/0x6e4
> [ 4081.767962] [c7b19e50] [c0055c34] xnpod_suspend_thread+0x3c0/0x54c
> [ 4081.774275] [c7b19e90] [c0064810] xnshadow_relax+0x90/0x23c
> [ 4081.779972] [c7b19eb0] [c00651c0] hisyscall_event+0x2a4/0x2cc
> [ 4081.785841] [c7b19ee0] [c004d850] __ipipe_dispatch_event+0xac/0x224
> [ 4081.792243] [c7b19f30] [c0009560] __ipipe_syscall_root+0x40/0xf0
> [ 4081.798383] [c7b19f40] [c0011118] DoSyscall+0x20/0x5c
> [ 4081.803556] --- Exception: c01 at 0xffaa1b0
> [ 4081.807823] LR = 0xffaa18c
>
>
> Does that trigger a bell?
One possible explanation could be that thread_destroy is called twice,
could you check if this is what happens ?
--
Gilles.
next prev parent reply other threads:[~2009-01-01 12:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-01 8:38 [Xenomai-core] Oops when exiting Xenomai POSIX application Wolfgang Grandegger
2009-01-01 12:16 ` Gilles Chanteperdrix [this message]
2009-01-01 14:11 ` Gilles Chanteperdrix
2009-01-01 14:26 ` Wolfgang Grandegger
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