And this is what I see on 5.9.0-050900rc3-generic:
Sep 04 15:05:02 surprise kernel: ------------[ cut here ]------------
Sep 04 15:05:02 surprise kernel: NETDEV WATCHDOG: enp5s0 (r8169): transmit
queue 0 timed out
Sep 04 15:05:02 surprise kernel: WARNING: CPU: 0 PID: 0 at
net/sched/sch_generic.c:442 dev_watchdog+0x25b/0x270
Sep 04 15:05:02 surprise kernel: Modules linked in: xt_comment iptable_mangle
iptable_nat bpfilter dummy xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT
nf_reject_ipv4 xt_tcpudp nft_compat nft_counter nft_chain_nat nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfne>
Sep 04 15:05:02 surprise kernel: xor raid6_pq libcrc32c dm_crypt
hid_logitech_hidpp hid_logitech_dj hid_microsoft ff_memless hid_generic usbhid
hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd
cryptd glue_helper i2c_piix4 r8169 nvme i2c_nvidia_gpu rea>
Sep 04 15:05:02 surprise kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted
5.9.0-050900rc3-generic #202008302030
Sep 04 15:05:02 surprise kernel: Hardware name: Gigabyte Technology Co., Ltd.
B450M DS3H/B450M DS3H-CF, BIOS F4 01/25/2019
Sep 04 15:05:02 surprise kernel: RIP: 0010:dev_watchdog+0x25b/0x270
Sep 04 15:05:02 surprise kernel: Code: 85 c0 75 e5 eb 9c 4c 89 ff c6 05 3a 29
1d 01 01 e8 5a 7c fa ff 44 89 e9 4c 89 fe 48 c7 c7 b0 9b a5 ac 48 89 c2 e8 aa
21 64 ff <0f> 0b e9 7a ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f
Sep 04 15:05:02 surprise kernel: RSP: 0018:ffffb1c340003e78 EFLAGS: 00010286
Sep 04 15:05:02 surprise kernel: RAX: 0000000000000000 RBX: ffff9a27782a0000
RCX: 0000000000000000
Sep 04 15:05:02 surprise kernel: RDX: ffff9a278cc28fe0 RSI: ffff9a278cc18cc0
RDI: 0000000000000300
Sep 04 15:05:02 surprise kernel: RBP: ffffb1c340003ea8 R08: 0000000000000004
R09: 000000000000053a
Sep 04 15:05:02 surprise kernel: R10: 0000000000000000 R11: 0000000000000001
R12: ffff9a27782a0080
Sep 04 15:05:02 surprise kernel: R13: 0000000000000000 R14: ffff9a278ab9a480
R15: ffff9a278ab9a000
Sep 04 15:05:02 surprise kernel: FS: 0000000000000000(0000)
GS:ffff9a278cc00000(0000) knlGS:0000000000000000
Sep 04 15:05:02 surprise kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Sep 04 15:05:02 surprise kernel: CR2: 000055b1cb035468 CR3: 0000000400f86000
CR4: 00000000003506f0
Sep 04 15:05:02 surprise kernel: Call Trace:
Sep 04 15:05:02 surprise kernel: <IRQ>
Sep 04 15:05:02 surprise kernel: ? pfifo_fast_enqueue+0x150/0x150
Sep 04 15:05:02 surprise kernel: call_timer_fn+0x32/0x130
Sep 04 15:05:02 surprise kernel: __run_timers.part.0+0x1eb/0x270
Sep 04 15:05:02 surprise kernel: run_timer_softirq+0x2a/0x50
Sep 04 15:05:02 surprise kernel: __do_softirq+0xd0/0x2a5
Sep 04 15:05:02 surprise kernel: asm_call_on_stack+0x12/0x20
Sep 04 15:05:02 surprise kernel: </IRQ>
Sep 04 15:05:02 surprise kernel: do_softirq_own_stack+0x3f/0x50
Sep 04 15:05:02 surprise kernel: irq_exit_rcu+0x95/0xd0
Sep 04 15:05:02 surprise kernel: sysvec_call_function_single+0x3d/0xa0
Sep 04 15:05:02 surprise kernel: asm_sysvec_call_function_single+0x12/0x20
Sep 04 15:05:02 surprise kernel: RIP: 0010:cpuidle_enter_state+0xc2/0x390
Sep 04 15:05:02 surprise kernel: Code: f4 22 07 54 e8 ff 77 74 ff 48 89 45 d0
0f 1f 44 00 00 31 ff e8 bf 83 74 ff 80 7d c7 00 0f 85 48 01 00 00 fb 66 0f 1f
44 00 00 <45> 85 ed 0f 88 54 01 00 00 49 63 d5 48 8d 04 52 48 8d 0c d5 00 00
Sep 04 15:05:02 surprise kernel: RSP: 0018:ffffffffad003de8 EFLAGS: 00000246
Sep 04 15:05:02 surprise kernel: RAX: ffff9a278cc2c680 RBX: ffff9a2779308c00
RCX: 000000000000001f
Sep 04 15:05:02 surprise kernel: RDX: 0000000000000000 RSI: 00000000239f5376
RDI: 0000000000000000
Sep 04 15:05:02 surprise kernel: RBP: ffffffffad003e28 R08: 0000000a3c3a75d2
R09: 00000000ffffffff
Sep 04 15:05:02 surprise kernel: R10: 0000000000000f5e R11: ffff9a278cc2b324
R12: ffffffffad180b80
Sep 04 15:05:02 surprise kernel: R13: 0000000000000002 R14: ffffffffad180c68
R15: 0000000000000002
Sep 04 15:05:02 surprise kernel: ? cpuidle_enter_state+0xb1/0x390
Sep 04 15:05:02 surprise kernel: cpuidle_enter+0x2e/0x40
Sep 04 15:05:02 surprise kernel: cpuidle_idle_call+0x132/0x1d0
Sep 04 15:05:02 surprise kernel: do_idle+0x7a/0xe0
Sep 04 15:05:02 surprise kernel: cpu_startup_entry+0x20/0x30
Sep 04 15:05:02 surprise kernel: rest_init+0xae/0xb0
Sep 04 15:05:02 surprise kernel: arch_call_rest_init+0xe/0x1b
Sep 04 15:05:02 surprise kernel: start_kernel+0x43a/0x45a
Sep 04 15:05:02 surprise kernel: x86_64_start_reservations+0x24/0x26
Sep 04 15:05:02 surprise kernel: x86_64_start_kernel+0x8b/0x8f
Sep 04 15:05:02 surprise kernel: secondary_startup_64+0xb6/0xc0
Sep 04 15:05:02 surprise kernel: ---[ end trace 02799b4d7b644ce5 ]---
** Changed in: linux (Ubuntu Groovy)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1874464
Title:
NETDEV WATCHDOG: enp5s0 (r8169): transmit queue 0 timed out
Status in linux package in Ubuntu:
New
Status in linux source package in Focal:
Incomplete
Status in linux source package in Groovy:
New
Bug description:
Running focal on a desktop, I accidentally clicked "Enable networking"
in nm-applet, disabling my networking. When I clicked it again to
reenable it, my networking did not return. After unsuccessfully
poking at it for a while, I rebooted and saw the below (and still no
networking). `rmmod r8169; modprobe r8169` had no (apparent) effect,
nor did further reboots. I rebooted onto two different kernels, both
exhibited the same behaviour: 5.4.0-21-generic, 5.4.0-26-generic.
I was finally only able to restore networking by _rebooting into
Windows_ and then rebooting back into Ubuntu.
(My supposition is that NetworkManager/the kernel set *waves hands*
something on the network card that persists across boots when it was
disabled, and that wasn't correctly unset when I reenabled networking
(or on following boots), but Windows _does_ correctly handle that case
on boot, and reset it to a working state.)
Apr 23 10:07:43 surprise kernel: ------------[ cut here ]------------
Apr 23 10:07:43 surprise kernel: NETDEV WATCHDOG: enp5s0 (r8169): transmit
queue 0 timed out
Apr 23 10:07:43 surprise kernel: WARNING: CPU: 9 PID: 0 at
net/sched/sch_generic.c:447 dev_watchdog+0x258/0x260
Apr 23 10:07:43 surprise kernel: Modules linked in: zfs(PO) zunicode(PO)
zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) xt_comment dummy
xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp
ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_>
Apr 23 10:07:43 surprise kernel: autofs4 btrfs xor zstd_compress raid6_pq
libcrc32c dm_crypt hid_microsoft ff_memless hid_logitech_hidpp hid_logitech_dj
hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE)
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm_km>
Apr 23 10:07:43 surprise kernel: CPU: 9 PID: 0 Comm: swapper/9 Tainted: P
OE 5.4.0-26-generic #30-Ubuntu
Apr 23 10:07:43 surprise kernel: Hardware name: Gigabyte Technology Co., Ltd.
B450M DS3H/B450M DS3H-CF, BIOS F4 01/25/2019
Apr 23 10:07:43 surprise kernel: RIP: 0010:dev_watchdog+0x258/0x260
Apr 23 10:07:43 surprise kernel: Code: 85 c0 75 e5 eb 9f 4c 89 ff c6 05 bf 06
e8 00 01 e8 6d bb fa ff 44 89 e9 4c 89 fe 48 c7 c7 50 6d a3 b4 48 89 c2 e8 83
3f 71 ff <0f> 0b eb 80 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 57 49 89 d7
Apr 23 10:07:43 surprise kernel: RSP: 0018:ffffa90d40378e30 EFLAGS: 00010286
Apr 23 10:07:43 surprise kernel: RAX: 0000000000000000 RBX: ffff8a7578b00400
RCX: 0000000000000000
Apr 23 10:07:43 surprise kernel: RDX: ffff8a758ee67740 RSI: ffff8a758ee578c8
RDI: 0000000000000300
Apr 23 10:07:43 surprise kernel: RBP: ffffa90d40378e60 R08: ffff8a758ee578c8
R09: 0000000000000004
Apr 23 10:07:43 surprise kernel: R10: 0000000000000000 R11: 0000000000000001
R12: 0000000000000001
Apr 23 10:07:43 surprise kernel: R13: 0000000000000000 R14: ffff8a758cadc480
R15: ffff8a758cadc000
Apr 23 10:07:43 surprise kernel: FS: 0000000000000000(0000)
GS:ffff8a758ee40000(0000) knlGS:0000000000000000
Apr 23 10:07:43 surprise kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Apr 23 10:07:43 surprise kernel: CR2: 00007f4d2000d5eb CR3: 00000003fcfe2000
CR4: 00000000003406e0
Apr 23 10:07:43 surprise kernel: Call Trace:
Apr 23 10:07:43 surprise kernel: <IRQ>
Apr 23 10:07:43 surprise kernel: ? pfifo_fast_enqueue+0x150/0x150
Apr 23 10:07:43 surprise kernel: call_timer_fn+0x32/0x130
Apr 23 10:07:43 surprise kernel: __run_timers.part.0+0x180/0x280
Apr 23 10:07:43 surprise kernel: ? tick_sched_handle+0x33/0x60
Apr 23 10:07:43 surprise kernel: ? tick_sched_timer+0x3d/0x80
Apr 23 10:07:43 surprise kernel: ? ktime_get+0x3e/0xa0
Apr 23 10:07:43 surprise kernel: run_timer_softirq+0x2a/0x50
Apr 23 10:07:43 surprise kernel: __do_softirq+0xe1/0x2d6
Apr 23 10:07:43 surprise kernel: ? hrtimer_interrupt+0x13b/0x220
Apr 23 10:07:43 surprise kernel: irq_exit+0xae/0xb0
Apr 23 10:07:43 surprise kernel: smp_apic_timer_interrupt+0x7b/0x140
Apr 23 10:07:43 surprise kernel: apic_timer_interrupt+0xf/0x20
Apr 23 10:07:43 surprise kernel: </IRQ>
Apr 23 10:07:43 surprise kernel: RIP: 0010:cpuidle_enter_state+0xc5/0x450
Apr 23 10:07:43 surprise kernel: Code: ff e8 df 0d 81 ff 80 7d c7 00 74 17 9c
58 0f 1f 44 00 00 f6 c4 02 0f 85 65 03 00 00 31 ff e8 32 7a 87 ff fb 66 0f 1f
44 00 00 <45> 85 ed 0f 88 8f 02 00 00 49 63 cd 4c 8b 7d d0 4c 2b 7d c8 48 8d
Apr 23 10:07:43 surprise kernel: RSP: 0018:ffffa90d4016fe38 EFLAGS: 00000246
ORIG_RAX: ffffffffffffff13
Apr 23 10:07:43 surprise kernel: RAX: ffff8a758ee6ad00 RBX: ffffffffb4d69160
RCX: 000000000000001f
Apr 23 10:07:43 surprise kernel: RDX: 0000000000000000 RSI: 00000000239f52d0
RDI: 0000000000000000
Apr 23 10:07:43 surprise kernel: RBP: ffffa90d4016fe78 R08: 0000011276ac078f
R09: 00000000000148ba
Apr 23 10:07:43 surprise kernel: R10: ffff8a758ee69a00 R11: ffff8a758ee699e0
R12: ffff8a757a318000
Apr 23 10:07:43 surprise kernel: R13: 0000000000000002 R14: 0000000000000002
R15: ffff8a757a318000
Apr 23 10:07:43 surprise kernel: ? cpuidle_enter_state+0xa1/0x450
Apr 23 10:07:43 surprise kernel: cpuidle_enter+0x2e/0x40
Apr 23 10:07:43 surprise kernel: call_cpuidle+0x23/0x40
Apr 23 10:07:43 surprise kernel: do_idle+0x1dd/0x270
Apr 23 10:07:43 surprise kernel: cpu_startup_entry+0x20/0x30
Apr 23 10:07:43 surprise kernel: start_secondary+0x167/0x1c0
Apr 23 10:07:43 surprise kernel: secondary_startup_64+0xa4/0xb0
Apr 23 10:07:43 surprise kernel: ---[ end trace cf93a9794ecfd126 ]---
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-generic 5.4.0.26.32
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: i3
Date: Thu Apr 23 10:38:05 2020
InstallationDate: Installed on 2019-05-07 (351 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64
(20190210)
MachineType: Gigabyte Technology Co., Ltd. B450M DS3H
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-26-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash
resume=UUID=73909634-a75d-42c9-8f66-a69138690756 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-26-generic N/A
linux-backports-modules-5.4.0-26-generic N/A
linux-firmware 1.187
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2019-11-15 (159 days ago)
dmi.bios.date: 01/25/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F4
dmi.board.asset.tag: Default string
dmi.board.name: B450M DS3H-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF4:bd01/25/2019:svnGigabyteTechnologyCo.,Ltd.:pnB450MDS3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MDS3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: B450M DS3H
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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