From: Scott Wood <scottwood@freescale•com>
To: Claudiu Manoil <claudiu.manoil@freescale•com>
Cc: "Thomas Hühn" <thomas@net•t-labs.tu-berlin.de>,
"linuxppc-dev@lists•ozlabs.org" <linuxppc-dev@lists•ozlabs.org>
Subject: Re: Gianfar driver crashes in Kernel v3.10
Date: Thu, 10 Oct 2013 16:41:27 -0500 [thread overview]
Message-ID: <1381441287.7979.455.camel@snotra.buserror.net> (raw)
In-Reply-To: <52568A7A.6090909@freescale.com>
On Thu, 2013-10-10 at 14:07 +0300, Claudiu Manoil wrote:
> On 10/4/2013 3:28 PM, Thomas H=C3=BChn wrote:
> >
> > [code]
> > [ 2671.841927] Oops: Exception in kernel mode, sig: 5 [#1]
> > [ 2671.847141] Freescale P1014
> > [ 2671.849925] Modules linked in: ath9k pppoe ppp_async iptable_nat
> > ath9k_common pppox p
> > e xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_qu=
ota
> > xt_pkttype xt_o
> > mark xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_NET=
MAP
> > xt_LOG xt_IPMAR
> > ms_datafab ums_cypress ums_alauda slhc nf_nat_tftp nf_nat_snmp_basic
> > nf_nat_sip nf_nat_r
> > ntrack_sip nf_conntrack_rtsp nf_conntrack_proto_gre nf_conntrack_irc
> > nf_conntrack_h323 n
> > compat_xtables compat ath sch_teql sch_tbf sch_sfq sch_red sch_prio
> > sch_htb sch_gred sc
> > skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_=
fw
> > sch_hfsc sch_ing
> > r usb_storage leds_gpio ohci_hcd ehci_platform ehci_hcd sd_mod scsi_m=
od
> > fsl_mph_dr_of gp
> > [ 2671.988946] CPU: 0 PID: 5209 Comm: iftop Not tainted 3.10.13 #2
> > [ 2671.994859] task: c4b22220 ti: c7ff8000 task.ti: c477e000
> > [ 2672.000250] NIP: c018c7a0 LR: c018c794 CTR: c000b070
> > [ 2672.005206] REGS: c7ff9f10 TRAP: 3202 Not tainted (3.10.13)
> > [ 2672.011028] MSR: 00029000 <CE,EE,ME> CR: 48000024 XER: 20000000
> > [ 2672.017125]
> > GPR00: 000000ff c477fde0 c4b22220 00000000 00000000 000000ff 00000000
> > 70000000
> > GPR08: ffffffff 00000008 00000000 ffffffff 00000046 10022248 00000000
> > 00000008
> > GPR16: c781b3c0 c781b3c0 000000ff 00000000 00000001 0000021c 00000086
> > fffff800
> > GPR24: c7980300 00000000 00000001 00000040 00000003 c4b33000 00000000
> > 00000001
> > [ 2672.046832] NIP [c018c7a0] gfar_poll+0x424/0x520
> > [ 2672.051442] LR [c018c794] gfar_poll+0x418/0x520
> > [ 2672.055962] Call Trace:
> > [ 2672.058402] [c477fde0] [c018c674] gfar_poll+0x2f8/0x520 (unreliabl=
e)
> > [ 2672.064762] [c477fe80] [c01b0ce8] net_rx_action+0x6c/0x158
> > [ 2672.070249] [c477feb0] [c0027dc4] __do_softirq+0xbc/0x16c
> > [ 2672.075642] [c477ff00] [c0027f7c] irq_exit+0x4c/0x68
> > [ 2672.080604] [c477ff10] [c00041f8] do_IRQ+0xf4/0x10c
> > [ 2672.085478] [c477ff40] [c000ca3c] ret_from_except+0x0/0x18
> > [ 2672.090991] --- Exception: 501 at 0x48083c28
> > [ 2672.090991] LR =3D 0x48083bf8
> > [ 2672.098378] Instruction dump:
> > [ 2672.101338] 7f8f2040 419cfcc4 80900000 38a00000 8061004c 7e118378
> > 81c10050 7ffafb78
> > [ 2672.109092] 4bf9eaa1 83810034 7c7e1b78 8361003c <83210038> 83a1004=
c
> > 48000060 41a2004c
> > [ 2672.117021] ---[ end trace 565fb54528d305fa ]---
> > [ 2672.121628]
> > [ 2673.103130] Kernel panic - not syncing: Fatal exception in interru=
pt
> > [ 2673.109474] Rebooting in 3 seconds..
> >
> > U-Boot 2010.12-svn15934 (Dec 11 2012 - 16:23:49)
> > [/code]
> >
>=20
> Hi,
>=20
> Does this show up on a half duplex (100Mb/s) link?
> Could you provide following for the gianfar interface, on your setup:
> # ethtool ethX
> and
> # ethtool -d ethX | grep 500
>=20
> Is there any other indication before this Oops? Like a tx timeout WARN?
It's a watchdog interrupt (CPU watchdog, not netdev). I think it's only
showing up in the gianfar code because that's what's running (unless the
gianfar code is causing the watchdog daemon to not run).
-Scott
next prev parent reply other threads:[~2013-10-10 21:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-04 12:28 Gianfar driver crashes in Kernel v3.10 Thomas Hühn
2013-10-10 11:07 ` Claudiu Manoil
2013-10-10 21:41 ` Scott Wood [this message]
2013-10-11 7:49 ` Claudiu Manoil
[not found] <90BE8C5D-E23B-41B5-BB52-8A0C0758931D@net.t-labs.tu-berlin.de>
2013-10-11 8:59 ` Fwd: " Thomas Hühn
2013-10-16 7:10 ` Claudiu Manoil
2013-10-16 12:44 ` Thomas Hühn
2013-10-31 11:51 ` Thomas Hühn
2013-11-01 11:51 ` Claudiu Manoil
-- strict thread matches above, loose matches on Subject: below --
2013-10-04 12:03 Thomas Hühn
2013-10-04 13:45 ` Claudiu Manoil
2013-10-08 22:09 ` Scott Wood
2013-10-11 9:17 ` Thomas Hühn
2013-10-11 17:49 ` Scott Wood
2013-10-11 17:49 ` Scott Wood
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