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[2a01:c23:bc38:af00:d7:3466:9e54:a813]) by smtp.googlemail.com with ESMTPSA id i1-20020aa7c9c1000000b005667a11b951sm781396edt.86.2024.03.23.04.18.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 23 Mar 2024 04:18:25 -0700 (PDT) Message-ID: <22546b48-27dd-4ac3-924d-aa2ed0386bb0@gmail.com> Date: Sat, 23 Mar 2024 12:18:26 +0100 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: r8169 link up but no traffic, and watchdog error From: Heiner Kallweit To: =?UTF-8?Q?Martin_Kj=C3=A6r_J=C3=B8rgensen?= Cc: Jakub Kicinski , netdev@vger.kernel.org, nic_swsd@realtek.com References: <87zg30a0h9.fsf@lagy.org> <20230809125805.2e3f86ac@kernel.org> <87a5taabs9.fsf@mkjws.danelec-net.lan> <4ed0991b-5473-409d-b00a-bf71f0877df5@gmail.com> <87y1guv5p7.fsf@mkjws.danelec-net.lan> <87ttriqmru.fsf@ws.c.lan> <871q82fqpk.fsf@lagy.org> Content-Language: en-US Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 22.03.2024 13:26, Heiner Kallweit wrote: > On 22.03.2024 12:28, Martin Kj=C3=A6r J=C3=B8rgensen wrote: >> >> On Mon, Sep 25 2023, Heiner Kallweit wrote: >> >>> On 25.09.2023 17:41, Martin Kj=C3=A6r J=C3=B8rgensen wrote: >>>> >>>> On Mon, Sep 25 2023, Heiner Kallweit wrote: >>>> >>>>> On 25.09.2023 13:30, Martin Kj=C3=A6r J=C3=B8rgensen wrote: >>>>>> >>>>>> On Mon, Sep 25 2023, Heiner Kallweit wrote:= >>>>>> >>>>>> >>>>>> There are no PCI extension cards. >>>>>> >>>>> >>>>> Your BIOS signature indicates that the system is a Thinkstation P35= 0. >>>>> According to the Lenovo website it comes with one Intel-based netwo= rk port. >>>>> However you have additional 4 Realtek-based network ports on the ma= inboard? >>>>> >>>> >>>> Yes. 2 PCIE cards with two Realtek ethernet controllers each. >>>> >>>>>>> And does the problem occur with all of your NICs? >>>>>> >>>>>> No, only the Realtek ones. >>>>>> >>>>>>> The exact NIC type might provide a hint, best provide a full dmes= g log. >>>>>> [ 1512.295490] RSP: 0018:ffffbc0240193e88 EFLAGS: 00000246 >>>>>> [ 1512.295492] RAX: ffff998935680000 RBX: ffffdc023faa8e00 RCX: 00= 0000000000001f >>>>>> [ 1512.295493] RDX: 0000000000000002 RSI: ffffffffb544f718 RDI: ff= ffffffb543bc32 >>>>>> [ 1512.295494] RBP: 0000000000000003 R08: 0000000000000000 R09: 00= 00000000000018 >>>>>> [ 1512.295495] R10: ffff9989356b1dc4 R11: 00000000000058a8 R12: ff= ffffffb5d981a0 >>>>>> [ 1512.295496] R13: 000001601bd198ef R14: 0000000000000003 R15: 00= 00000000000000 >>>>>> [ 1512.295497] ? cpuidle_enter_state+0xbd/0x440 >>>>>> [ 1512.295499] cpuidle_enter+0x2d/0x40 >>>>>> [ 1512.295501] do_idle+0x217/0x270 >>>>>> [ 1512.295503] cpu_startup_entry+0x1d/0x20 >>>>>> [ 1512.295505] start_secondary+0x11a/0x140 >>>>>> [ 1512.295508] secondary_startup_64_no_verify+0x17e/0x18b >>>>>> [ 1512.295510] >>>>>> [ 1512.295511] ---[ end trace 0000000000000000 ]--- >>>>>> [ 1512.295526] r8169 0000:03:00.0: can't disable ASPM; OS doesn't = have ASPM control >>>>>> [ 1531.322039] r8169 0000:03:00.0 enp3s0: Link is Down >>>>>> [ 1534.138489] r8169 0000:03:00.0 enp3s0: Link is Up - 1Gbps/Full = - flow control rx/tx >>>>>> [ 1538.177385] r8169 0000:03:00.0 enp3s0: Link is Down >>>>>> [ 1566.174660] r8169 0000:03:00.0 enp3s0: Link is Up - 1Gbps/Full = - flow control rx/tx >>>>>> [ 1567.839082] r8169 0000:03:00.0 enp3s0: Link is Down >>>>>> [ 1570.621088] r8169 0000:03:00.0 enp3s0: Link is Up - 1Gbps/Full = - flow control rx/tx >>>>>> [ 1576.294267] r8169 0000:03:00.0: can't disable ASPM; OS doesn't = have ASPM control >>>>> >>>>> Regarding the following: Issue occurs after few seconds of link-los= s. >>>>> Was this an intentional link-down event? >>>> >>>> Yes, I intentionally unplug the cable at the other end for the link = to go down. >>>> >>>>> And is issue always related to link-up after a link-loss period? >>>>> >>>> >>>> Yes, it happends after cable is plugged in again, so after a link-lo= ss period. >>>> >>> Good to know. I heard this before, under unknown circumstances (Realt= ek doesn't publish >>> errata information) the NIC (unclear whether MAC or PHY) seems to han= g up after link-loss >>> in rare cases. Vendor driver does a full hw init on each link-up, may= be this is to work >>> around the issue we talk about here. >>> >>>> >>>>>> [ 1488.643231] r8169 0000:03:00.0 enp3s0: Link is Down >>>>>> [ 1506.576941] r8169 0000:03:00.0 enp3s0: Link is Up - 1Gbps/Full = - flow control rx/tx >>>>>> [ 1512.295215] ------------[ cut here ]------------ >>>>>> [ 1512.295219] NETDEV WATCHDOG: enp3s0 (r8169): transmit queue 0 t= imed out 5368 ms >> >> I am seeing the behavior again with latest 6.6.21 kernel. Like last ti= me, it >> helps to manually shutdown and bring up the interface with 'ip link en= p4s0 >> down/up' >> > Latest 6.1 kernel is ok? > I'm not aware of related any change and other similar reports. Please b= isect. >=20 In addition would be good to know whether it's the same with a current ke= nel: 6.8.1 >> >> [243277.859725] r8169 0000:04:00.0 enp4s0: Link is Up - 1Gbps/Full - f= low control off >> [243283.400061] ------------[ cut here ]------------ >> [243283.400063] NETDEV WATCHDOG: enp4s0 (r8169): transmit queue 0 time= d out 5537 ms >> [243283.400070] WARNING: CPU: 3 PID: 2909804 at net/sched/sch_generic.= c:525 dev_watchdog+0x225/0x230 >> [243283.400073] Modules linked in: tls nfnetlink_queue nfnetlink_log b= luetooth ecdh_generic ecc xt_nat xt_tcpudp veth xt_conntrack xt_MASQUERAD= E nf_conntrack_netlink iptable_nat xt_addrtype iptable_filter ip_tables x= _tables bpfilter br_netfilter overlay authenc echainiv geniv crypto_null = esp4 xfrm_interface xfrm6_tunnel tunnel4 tunnel6 cmac xfrm_user xfrm_algo= nls_utf8 cifs cifs_arc4 nls_ucs2_utils rdma_cm iw_cm ib_cm ib_core cifs_= md4 dns_resolver fscache netfs snd_seq_dummy snd_hrtimer snd_seq af_packe= t bridge stp llc cfg80211 rfkill nft_fib_ipv6 nft_nat nft_fib_ipv4 nft_fi= b nft_masq nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv= 4 nf_tables libcrc32c nls_ascii nls_cp437 vfat fat intel_rapl_msr coretem= p intel_rapl_common x86_pkg_temp_thermal intel_powerclamp ofpart cmdlinep= art snd_usb_audio spi_nor iTCO_wdt intel_pmc_bxt kvm_intel mei_wdt snd_us= bmidi_lib iTCO_vendor_support mei_pxp mei_hdcp ee1004 mtd watchdog snd_hw= dep r8169 snd_ump kvm snd_rawmidi realtek uvcvideo snd_seq_device snd_pcm= mdio_devres >> [243283.400109] videobuf2_vmalloc irqbypass of_mdio uvc videobuf2_mem= ops fixed_phy snd_timer videobuf2_v4l2 think_lmi intel_cstate rtsx_usb_ms= fwnode_mdio intel_uncore memstick e1000e rtc_cmos videodev mei_me ftdi_s= io firmware_attributes_class joydev snd videobuf2_common i2c_i801 ptp spi= _intel_pci libphy intel_wmi_thunderbolt wmi_bmof mei mc tiny_power_button= pps_core spi_intel i2c_smbus usbserial soundcore mousedev thermal fan in= put_leds int3400_thermal acpi_thermal_rel intel_pmc_core acpi_tad acpi_pa= d evdev button mac_hid sch_fq_codel msr loop fuse efi_pstore nfnetlink ef= ivarfs dmi_sysfs dm_crypt trusted asn1_encoder tee ext4 crc32c_generic cr= c16 mbcache jbd2 hid_logitech_hidpp hid_logitech_dj hid_jabra hid_generic= rtsx_usb_sdmmc mmc_core led_class usbhid hid rtsx_usb crc32_pclmul crc32= c_intel polyval_clmulni polyval_generic gf128mul ghash_clmulni_intel i915= sha512_ssse3 sha256_ssse3 sha1_ssse3 xhci_pci ahci xhci_pci_renesas nvme= libahci xhci_hcd nvme_core libata nvme_common i2c_algo_bit drm_buddy t10= _pi ttm usbcore >> [243283.400142] crc64_rocksoft_generic aesni_intel drm_display_helper= scsi_mod crc64_rocksoft crc_t10dif crct10dif_generic crct10dif_pclmul ce= c hwmon crypto_simd crc64 rc_core cryptd crct10dif_common usb_common scsi= _common 8250 8250_base video serial_mctrl_gpio serial_base wmi backlight = dm_mod dax >> [243283.400150] CPU: 3 PID: 2909804 Comm: python3.11 Not tainted 6.6.2= 1-gentoo-desktop-r1 #1 >> [243283.400152] Hardware name: LENOVO 30E30051UK/1052, BIOS S0AKT3EA 0= 9/22/2023 >> [243283.400153] RIP: 0010:dev_watchdog+0x225/0x230 >> [243283.400154] Code: ff ff ff 48 89 ef c6 05 08 6c ee 00 01 e8 03 94 = fa ff 45 89 f8 44 89 f1 48 89 ee 48 89 c2 48 c7 c7 98 c4 37 9a e8 8b 5c 7= 9 ff <0f> 0b e9 27 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 >> [243283.400155] RSP: 0000:ffffc9000f3e3df8 EFLAGS: 00010292 >> [243283.400156] RAX: 0000000000000043 RBX: ffff88810b6f841c RCX: 00000= 00000000027 >> [243283.400157] RDX: ffff8890356e04c8 RSI: 0000000000000001 RDI: ffff8= 890356e04c0 >> [243283.400158] RBP: ffff88810b6f8000 R08: 0000000000000000 R09: fffff= fff9a646ce0 >> [243283.400158] R10: ffffc9000f3e3cb0 R11: ffffffff9a726d28 R12: ffff8= 8810b6f84c8 >> [243283.400159] R13: ffff88810b6e6800 R14: 0000000000000000 R15: 00000= 000000015a1 >> [243283.400159] FS: 00007fb111f89740(0000) GS:ffff8890356c0000(0000) = knlGS:0000000000000000 >> [243283.400160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [243283.400161] CR2: 00007fb1041fb030 CR3: 000000044b576002 CR4: 00000= 00000770ee0 >> [243283.400162] PKRU: 55555554 >> [243283.400162] Call Trace: >> [243283.400163] >> [243283.400164] ? dev_watchdog+0x225/0x230 >> [243283.400165] ? __warn+0x7c/0x130 >> [243283.400168] ? dev_watchdog+0x225/0x230 >> [243283.400169] ? report_bug+0x171/0x1a0 >> [243283.400172] ? handle_bug+0x3a/0x70 >> [243283.400174] ? exc_invalid_op+0x17/0x70 >> [243283.400175] ? asm_exc_invalid_op+0x1a/0x20 >> [243283.400178] ? dev_watchdog+0x225/0x230 >> [243283.400179] ? dev_watchdog+0x225/0x230 >> [243283.400180] ? __pfx_dev_watchdog+0x10/0x10 >> [243283.400181] ? __pfx_dev_watchdog+0x10/0x10 >> [243283.400182] call_timer_fn+0x1f/0x130 >> [243283.400184] __run_timers.part.0+0x1bc/0x250 >> [243283.400186] ? ktime_get+0x34/0xa0 >> [243283.400187] run_timer_softirq+0x25/0x50 >> [243283.400188] __do_softirq+0xbd/0x296 >> [243283.400190] irq_exit_rcu+0x65/0x80 >> [243283.400191] sysvec_apic_timer_interrupt+0x3e/0x90 >> [243283.400192] asm_sysvec_apic_timer_interrupt+0x1a/0x20 >> [243283.400194] RIP: 0033:0x7fb111bd3cd5 >> [243283.400195] Code: c8 48 8b 56 08 48 83 c6 08 48 85 d2 75 a7 48 85 = c0 74 05 48 39 c3 75 09 49 8b 47 10 48 89 44 24 10 48 85 ed 0f 85 8e 00 0= 0 00 <49> 8b 40 28 49 8b 4f 18 48 39 48 18 75 5d 49 8b 85 58 01 00 00 49 >> [243283.400196] RSP: 002b:00007ffd3916a9b0 EFLAGS: 00000246 >> [243283.400196] RAX: 00007fb111bd73c0 RBX: 000056339f603f78 RCX: 00007= fb111f66aa8 >> [243283.400197] RDX: 0000000000000000 RSI: 00007fb111f04360 RDI: 00007= fb111f66aa8 >> [243283.400197] RBP: 0000000000000000 R08: 00007fb10410c270 R09: 00007= fb111f66aa0 >> [243283.400198] R10: 8d3a98eb5e44a685 R11: 1ffffffffffffffe R12: 00007= ffd3916a9d4 >> [243283.400198] R13: 000056339f603eb0 R14: 00000000000000c8 R15: 00007= fb111e0dcc0 >> [243283.400199] >> [243283.400200] ---[ end trace 0000000000000000 ]--- >> [243283.400216] r8169 0000:04:00.0: can't disable ASPM; OS doesn't hav= e ASPM control >> [243295.067251] r8169 0000:04:00.0 enp4s0: Link is Down >> [243297.620960] RTL8226 2.5Gbps PHY r8169-0-400:00: attached PHY drive= r (mii_bus:phy_addr=3Dr8169-0-400:00, irq=3DMAC) >> [243297.752106] r8169 0000:04:00.0 enp4s0: Link is Down >> [243300.656125] r8169 0000:04:00.0 enp4s0: Link is Up - 1Gbps/Full - f= low control off >=20