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Date:   Tue, 3 Dec 2019 14:11:18 -0800
From:   Stephen Hemminger <stephen@networkplumber.org>
To:     Heiner Kallweit <hkallweit1@gmail.com>
Cc:     Udo van den Heuvel <udovdh@xs4all.nl>,
        Holger =?UTF-8?B?SG9mZnN0w6R0?= =?UTF-8?B?dGU=?= 
        <holger@applied-asynchrony.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Netdev <netdev@vger.kernel.org>
Subject: Re: 5.4.1 WARNINGs with r8169
Message-ID: <20191203141118.483edd2d@hermes.lan>
In-Reply-To: <3a1706be-e236-6f08-73eb-734f0ae41bbb@gmail.com>
References: <46e7dcf9-3c89-25c1-ccb8-336450047bec@xs4all.nl>
        <aa3b11a5-eb7e-dc2c-e5b4-96e53942246d@applied-asynchrony.com>
        <3a1706be-e236-6f08-73eb-734f0ae41bbb@gmail.com>
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On Tue, 3 Dec 2019 20:58:04 +0100
Heiner Kallweit <hkallweit1@gmail.com> wrote:

> On 01.12.2019 10:52, Holger Hoffst=C3=A4tte wrote:
> > (cc:'ing netdev & Heiner)
> >=20
> > Are you using Jumbo packets? If so please check the thread at
> > https://lore.kernel.org/lkml/24034.56114.248207.524177@wylie.me.uk/
> >=20
> > Btw you should use a more descriptive Subject line, otherwise people mi=
ght
> > miss your message..
> >=20
> > -h
> >=20
> > -------- Forwarded Message --------
> > Subject: 5.4.1 WARNINGs
> > Date: Sun, 1 Dec 2019 08:06:37 +0100
> > From: Udo van den Heuvel <udovdh@xs4all.nl>
> > Organization: hierzo
> > To: linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
> > Newsgroups: gmane.linux.kernel
> >=20
> > Hello,
> >=20
> > While booting into 5.4.1 I noticed these.
> > Any advice please?
> >=20
> >=20
> > Dec=C2=A0 1 07:59:28 vuurmuur named[1318]: resolver priming query compl=
ete
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ------------[ cut here ]---------=
---
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: NETDEV WATCHDOG: eth0 (r8169): tr=
ansmit
> > queue 0 timed out
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: WARNING: CPU: 0 PID: 9 at
> > net/sched/sch_generic.c:447 dev_watchdog+0x208/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Modules linked in: act_police
> > sch_ingress cls_u32 sch_sfq sch_cbq pppoe pppox ip6table_raw nf_log_ipv6
> > ip6table_mangle xt_u32 xt_CT xt_nat nf_log_ipv4 nf_log_common
> > xt_statistic nf_nat_sip nf_conntrack_sip xt_recent xt_string xt_lscan(O)
> > xt_TARPIT(O) iptable_raw nf_nat_h323 nf_conntrack_h323 xt_TCPMSS
> > xt_length xt_hl xt_tcpmss xt_owner xt_mac xt_mark xt_multiport xt_limit
> > nf_nat_irc nf_conntrack_irc xt_LOG xt_DSCP xt_REDIRECT xt_MASQUERADE
> > xt_dscp nf_nat_ftp nf_conntrack_ftp iptable_mangle iptable_nat
> > mq_deadline 8021q ipt_REJECT nf_reject_ipv4 iptable_filter ip6t_REJECT
> > nf_reject_ipv6 xt_state xt_conntrack ip6table_filter nct6775 ip6_tables
> > sunrpc amdgpu mfd_core gpu_sched drm_kms_helper syscopyarea sysfillrect
> > sysimgblt fb_sys_fops ttm snd_hda_codec_realtek snd_hda_codec_generic
> > drm snd_hda_codec_hdmi snd_hda_intel drm_panel_orientation_quirks
> > cfbfillrect snd_intel_nhlt amd_freq_sensitivity cfbimgblt snd_hda_codec
> > aesni_intel cfbcopyarea i2c_algo_bit fb glue_helper
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: snd_hda_core crypto_simd fbdev sn=
d_pcm
> > cryptd pl2303 backlight snd_timer snd i2c_piix4 acpi_cpufreq sr_mod
> > cdrom sd_mod autofs4
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CPU: 0 PID: 9 Comm: ksoftirqd/0
> > Tainted: G=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =
O=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 5.4.1 #2
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Hardware name: To Be Filled By O.=
E.M.
> > To Be Filled By O.E.M./QC5000M-ITX/PH, BIOS P1.10 05/06/2015
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RIP: 0010:dev_watchdog+0x208/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Code: 63 54 24 e0 eb 8d 4c 89 f7 =
c6 05
> > fc a0 b9 00 01 e8 6d fa fc ff 44 89 e9 48 89 c2 4c 89 f6 48 c7 c7 48 79
> > dd 81 e8 98 5a b5 ff <0f> 0b eb bd 0f 1f 40 00 48 c7 47 08 00 00 00 00
> > 48 c7 07 00 00 00
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RSP: 0018:ffffc9000006fd68 EFLAGS=
: 00010286
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RAX: 0000000000000000 RBX:
> > ffff88813a1d6400 RCX: 0000000000000006
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RDX: 0000000000000007 RSI:
> > ffffffff8203aa58 RDI: ffff88813b216250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RBP: ffff8881394ee460 R08:
> > 0000000000080001 R09: 0000000000000002
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: R10: 0000000000000001 R11:
> > 0000000000000001 R12: ffff8881394ee4b8
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: R13: 0000000000000000 R14:
> > ffff8881394ee000 R15: ffff88813a1d6480
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: FS:=C2=A0 0000000000000000(0000)
> > GS:ffff88813b200000(0000) knlGS:0000000000000000
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CS:=C2=A0 0010 DS: 0000 ES: 0000 =
CR0:
> > 0000000080050033
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CR2: 00007f09b9c20a78 CR3:
> > 00000001385d4000 CR4: 00000000000406b0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Call Trace:
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? qdisc_put_unlocked+0x30/0x30
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? qdisc_put_unlocked+0x30/0x30
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: call_timer_fn.isra.0+0x78/0x110
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? add_timer_on+0xd0/0xd0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: run_timer_softirq+0x19d/0x1c0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? _raw_spin_unlock_irq+0x1f/0x40
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? finish_task_switch+0xb2/0x250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? finish_task_switch+0x81/0x250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: __do_softirq+0xcf/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: run_ksoftirqd+0x15/0x20
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: smpboot_thread_fn+0xe9/0x1f0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: kthread+0xf1/0x130
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? sort_range+0x20/0x20
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? kthread_park+0x80/0x80
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ret_from_fork+0x22/0x40
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ---[ end trace e771bca3c459d7f9 ]=
---
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ------------[ cut here ]---------=
---
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: WARNING: CPU: 0 PID: 9 at
> > net/sched/sch_generic.c:447 dev_watchdog+0x208/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Modules linked in: act_police
> > sch_ingress cls_u32 sch_sfq sch_cbq pppoe pppox ip6table_raw nf_log_ipv6
> > ip6table_mangle xt_u32 xt_CT xt_nat nf_log_ipv4 nf_log_common
> > xt_statistic nf_nat_sip nf_conntrack_sip xt_recent xt_string xt_lscan(O)
> > xt_TARPIT(O) iptable_raw nf_nat_h323 nf_conntrack_h323 xt_TCPMSS
> > xt_length xt_hl xt_tcpmss xt_owner xt_mac xt_mark xt_multiport xt_limit
> > nf_nat_irc nf_conntrack_irc xt_LOG xt_DSCP xt_REDIRECT xt_MASQUERADE
> > xt_dscp nf_nat_ftp nf_conntrack_ftp iptable_mangle iptable_nat
> > mq_deadline 8021q ipt_REJECT nf_reject_ipv4 iptable_filter ip6t_REJECT
> > nf_reject_ipv6 xt_state xt_conntrack ip6table_filter nct6775 ip6_tables
> > sunrpc amdgpu mfd_core gpu_sched drm_kms_helper syscopyarea sysfillrect
> > sysimgblt fb_sys_fops ttm snd_hda_codec_realtek snd_hda_codec_generic
> > drm snd_hda_codec_hdmi snd_hda_intel drm_panel_orientation_quirks
> > cfbfillrect snd_intel_nhlt amd_freq_sensitivity cfbimgblt snd_hda_codec
> > aesni_intel cfbcopyarea i2c_algo_bit fb glue_helper
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: snd_hda_core crypto_simd fbdev sn=
d_pcm
> > cryptd pl2303 backlight snd_timer snd i2c_piix4 acpi_cpufreq sr_mod
> > cdrom sd_mod autofs4
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CPU: 0 PID: 9 Comm: ksoftirqd/0
> > Tainted: G=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =
O=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 5.4.1 #2
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Hardware name: To Be Filled By O.=
E.M.
> > To Be Filled By O.E.M./QC5000M-ITX/PH, BIOS P1.10 05/06/2015
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RIP: 0010:dev_watchdog+0x208/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Code: 63 54 24 e0 eb 8d 4c 89 f7 =
c6 05
> > fc a0 b9 00 01 e8 6d fa fc ff 44 89 e9 48 89 c2 4c 89 f6 48 c7 c7 48 79
> > dd 81 e8 98 5a b5 ff <0f> 0b eb bd 0f 1f 40 00 48 c7 47 08 00 00 00 00
> > 48 c7 07 00 00 00
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RSP: 0018:ffffc9000006fd68 EFLAGS=
: 00010286
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RAX: 0000000000000000 RBX:
> > ffff88813a1d6400 RCX: 0000000000000006
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RDX: 0000000000000007 RSI:
> > ffffffff8203aa58 RDI: ffff88813b216250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: RBP: ffff8881394ee460 R08:
> > 0000000000080001 R09: 0000000000000002
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: R10: 0000000000000001 R11:
> > 0000000000000001 R12: ffff8881394ee4b8
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: R13: 0000000000000000 R14:
> > ffff8881394ee000 R15: ffff88813a1d6480
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: FS:=C2=A0 0000000000000000(0000)
> > GS:ffff88813b200000(0000) knlGS:0000000000000000
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CS:=C2=A0 0010 DS: 0000 ES: 0000 =
CR0:
> > 0000000080050033
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: CR2: 00007f09b9c20a78 CR3:
> > 00000001385d4000 CR4: 00000000000406b0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: Call Trace:
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? qdisc_put_unlocked+0x30/0x30
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? qdisc_put_unlocked+0x30/0x30
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: call_timer_fn.isra.0+0x78/0x110
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? add_timer_on+0xd0/0xd0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: run_timer_softirq+0x19d/0x1c0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? _raw_spin_unlock_irq+0x1f/0x40
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? finish_task_switch+0xb2/0x250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? finish_task_switch+0x81/0x250
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: __do_softirq+0xcf/0x210
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: run_ksoftirqd+0x15/0x20
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: smpboot_thread_fn+0xe9/0x1f0
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: kthread+0xf1/0x130
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? sort_range+0x20/0x20
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ? kthread_park+0x80/0x80
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ret_from_fork+0x22/0x40
> > Dec=C2=A0 1 07:59:34 vuurmuur kernel: ---[ end trace e771bca3c459d7f9 ]=
---
> >=20
> >=20
> > Kind regards,
> > Udo
> >  =20
> If the problem persists, please create a ticket at bugzilla.kernel.org,
> including:
>=20
> - full dmesg log
> - last known good kernel version
> - whether problem persists if you switch the one interface with jumbo
>   packets to standard MTU
> - best would be a bisect result
>=20
> Heiner


Bugzilla.kernel.org is not used for networking bugs.
This is not good advice, and would like to discourage more use of bugzilla.
I am the only person who gets notified and I end up forwarding them
to the mailing list.