From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans-Peter Bock Subject: IRQ timeout Date: Tue, 8 Sep 2009 14:26:50 +0200 Message-ID: <20090908122650.GI14282@isw.uni-stuttgart.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fLj60tP2PZ34xyqD" Cc: john.ogness@linutronix.de To: linux-rt-users@vger.kernel.org Return-path: Received: from isw70.isw.uni-stuttgart.de ([141.58.102.70]:41360 "EHLO mail.isw.uni-stuttgart.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751636AbZIHMgL (ORCPT ); Tue, 8 Sep 2009 08:36:11 -0400 Content-Disposition: inline Sender: linux-rt-users-owner@vger.kernel.org List-ID: --fLj60tP2PZ34xyqD Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, when I start my application using the uio_sercos3 driver, the network on my= e100 stops working after a short time. Some miutes later I got this messag= e in the console and my network started working again: [ 725.000141] ------------[ cut here ]------------ [ 725.000185] WARNING: at net/sched/sch_generic.c:230 dev_watchdog+0xf5/0x= 186() [ 725.000226] Hardware name: GA-73PVM-S2H [ 725.000262] NETDEV WATCHDOG: eth1 (e100): transmit timed out [ 725.000299] Modules linked in: uio_sercos3 uio ipv6 sbp2 loop com20020_p= ci serio_raw com20020 e100 ohci1394 ohci_hcd amd74xx ehci_hcd arcnet parpor= t_pc psmouse mii ieee1394 pcspkr usbcore ide_pci_generic parport evdev [ 725.000881] Pid: 5, comm: sirq-timer/0 Not tainted 2.6.29.5-rt22 #3 [ 725.000919] Call Trace: [ 725.000957] [] warn_slowpath+0x71/0xa8 [ 725.000996] [] ? pick_next_highest_task_rt+0xc6/0xd8 [ 725.001039] [] ? enqueue_task_rt+0x13a/0x232 [ 725.001100] [] ? __read_trylock+0x3e/0x47 [ 725.001139] [] ? cpupri_set+0xdd/0xfb [ 725.001177] [] ? __rcu_read_unlock+0x69/0x78 [ 725.001215] [] ? __spin_unlock+0xf/0x23 [ 725.001253] [] ? perf_counter_task_sched_in+0x14e/0x15c [ 725.001293] [] ? strlcpy+0x17/0x49 [ 725.001331] [] dev_watchdog+0xf5/0x186 [ 725.001369] [] ? clocksource_watchdog+0x22f/0x23a [ 725.001408] [] ? __wake_up+0x28/0x32 [ 725.001445] [] ? dev_watchdog+0x0/0x186 [ 725.001484] [] run_timer_softirq+0x19a/0x22a [ 725.001522] [] ? dev_watchdog+0x0/0x186 [ 725.001560] [] ksoftirqd+0x134/0x228 [ 725.001597] [] ? ksoftirqd+0x0/0x228 [ 725.001635] [] kthread+0x3b/0x61 [ 725.001672] [] ? kthread+0x0/0x61 [ 725.001710] [] kernel_thread_helper+0x7/0x10 [ 725.001747] ---[ end trace 9b182b0252a7e099 ]--- [ 725.014615] e100 0000:01:06.0: firmware: requesting e100/d101m_ucode.bin [ 725.029213] e100: eth1 NIC Link is Up 100 Mbps Full Duplex What can I do to solve this issue? Best regards, Hans-Peter --=20 (=B0< Hans-Peter Bock, Dipl.-Ing., http://www.isw.uni-stuttgart.de/ >=B0) (/) ISW - Universit=E4t Stuttgart, Seidenstra=DFe 36, 70174 Stuttgart (\) --fLj60tP2PZ34xyqD Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (GNU/Linux) iQEcBAEBAgAGBQJKpk2KAAoJEFsH0RM0g3lu4g8H/0T+hMt7P3haXXMB5KXA+Tue xJ96Mtfcau+sEBfpG+l5c7yU2HcMhsPeoJtDJ9ya5o7fDwChoV1NMM47p1YNYeay yDRBPTstpzZorC6wnm94NVCryy8KqTcKkqnTjuLrbUpcawtZGC7raZXxhelo+FWk T3AYHe0F1X8exBSd2vaqt7QrClh8srjr29bnXQEYZhuOoRLnAPsYH+3VvOiESciB qZZunPlyguvkbakBObpTYTPRYBmAFmgO+MeT4zqysCsue/La0JEuFvstazuqrR8j xz+j6y8EjoNaMgJwjcQOGnG8pl/HHG70+iKCPqg+zSFAOre2hzt3wU5Rtp2Cy4M= =ewDO -----END PGP SIGNATURE----- --fLj60tP2PZ34xyqD--