False hang detected on tx queue 0. 2. Hi, We were seeing a lot of Tx hangs (once a day in...

False hang detected on tx queue 0. 2. Hi, We were seeing a lot of Tx hangs (once a day in lab, much more in production) with Ubuntu 18. Sep 23, 2013 · We are having an issue with our NICs getting a TX Unit Hang and the adaptor not resetting correctly. 61, 0x80000cd5, 1. 1 ens2f1: tx hang 1 detected on queue 19, resetting adapter [ 8990. The below error messages are displayed to the console at a vigorous rate and all networking stops. 18. 0-46-generic my production mail server can work. "TX false hang" indicates a possible interrupt loss which may impact the traffic performance through physical NICs. 949. - trying using another bond mode (active-backup) Nov 26, 2025 · Root cause of the issue is that there is a bug in Intel’s ixgben driver for queue utilization triggering TX false hang in vmkernel logs. we observed that the 'igb Tx Unit Hang' seems disappeared if we disable all offload options by ethtools , but why ? what is the real reason trigger the 'igb Tx Unit Hang' ? would you please explain it to us ? Only after boot with old linux-image-3. 2019-05-01T15:46:12. May 27, 2025 · Vmxnet3: 24934: <VMNAME>,<MAC ADDR>, portID(6710##71): Hang detected,numHangQ: 1, enableGen: 0 Note: Tx hang can be due to many different reasons during packet processing, and not completing packets in a timely manner. 0-k and 5. 649Z cpu38:65725)ixgben: indrv_UplinkReset:1520: indrv_UplinkReset : vmnic0 device reset started Hi, We were seeing a lot of Tx hangs (once a day in lab, much more in production) with Ubuntu 18. 0: eth10: Fake Tx hang detected with timeout of 80 seconds In this case eth10, eth11 and eth12 are all slaves in the same Bond0. 015145] igb 0000:02:00. Now it's Feb 03 22:46:19 x kernel: NETDEV WATCHDOG: enp13s0 (ixgbe): transmit queue 3 timed out Feb 03 22:46:19 x kernel: ixgbe 0000:0d:00. 017Z cpu42:66250)ixgben: ixgben_CheckTxHang:1762: vmnic0: false hang detected on TX queue 0 2019-05-01T15:46:12. 6. Although problem was real - in one of our 5900 clusters running R80. ixgbe driver reports "Detected Tx Unit Hang" for a network interface and network connectivity is lost Solution Verified - Updated August 9 2024 at 4:33 AM - English Seen in /var/log messages on a Bar Media server: ixgbe 0000:43:00. bonds or teams may failover: [ 8990. - disable offloading on both servers and interfaces. 1. It requires Ntg3TxCompletion to mark the completion of the entire TXQ (e. - disable port enp3s0f0 or enp3s0f1. 769937] ixgbe 0000:05:00 Dec 14, 2016 · [ 1225. 769934] ixgbe 0000:05:00. 10 the standby member out of blue produced some obscure errors on one of the 10Gb bond trunks (eth1-04) Jun 27 19:29:19 2018 fwf2 kernel: ixgbe 0000:06:00. 767984] ixgbe 0000:05:00. I am not in front of this machine, thus I will post Kernel log later. May 11, 2023 · VMWare virtualized e1000e: 2nd card failing with "Tx Unit Hang" Ask Question Asked 2 years, 9 months ago Modified 2 years, 8 months ago The ixgbe module reports Detected Tx Unit Hang and network connectivity may be lost. 16. Dec 31, 2022 · The interesting part is, that only the server SM-HV01 produces this error. Which worked fine. Trying to isolate the problem a bit more we're now trying the latest out-of-tree driver. 1 ens2f1: Detected Tx Unit Hang Tx Queue TDH, TDT , next_to_use next_to_clean tx_buffer_info[next_to_clean] time_stamp jiffies [ 8990. 0 + bus-info: 0000:02:00. 04. g. . We would like to show you a description here but the site won’t allow us. 1: eth11: Fake Tx hang detected with timeout of 80 seconds ixgbe 0000:41:00. Connecting via IPMI I've found that "service network restart" doesn't resolve the issue. It's a critical bug for me, can anybody help me? + + ethtool -i em1 + driver: igb + version: 5. 859520] net eth0: netmap queues/slots: TX 8/256, RX 8/256 as it is done at earlier version of netmap. with ethtool -L dev name rx 4/ethtool -L dev name tx 1 [ 1649. - update ixgbe driver to 5. 1: eth1-04: Detected Tx Unit Hang Jun Aug 4, 2025 · It appears the issue (TX hang) is caused by a rare data race in ntg3 driver between Ntg3XmitPktList and Ntg3TxCompletion. 0: eth12: Fake Tx hang detected with timeout of 80 seconds ixgbe 0000:41:00. Jun 24, 2025 · When the web interface hangs and no longer loads, on the VMware workstation window I see the e1000: Detected Tx Unit Hang message just printing over and over again. 0-k), causing link resets etc. The only workaround is rebooting the hypervisor SM-HV01. , from almost full to empty) within a very narrow window of Ntg3XmitPktList when it finds that the TXQ is full. 0 + supports-statistics: yes + supports-test: yes + supports-eeprom-access: yes Jun 28, 2018 · This more of a "friday" post for fun. 13-k + firmware-version: 1. May 6, 2015 · To: AVnu/Open-AVB Subject: [Open-AVB] Issue with "Detected Tx Unit Hang" dropping network connections (#210) Hi *, since yesterday my AVB setup suddenly has issues! I have two NICs with subnet A and subnet B, I switched the VLANs between both switch ports. 1: Detected Tx Unit Hang Tx Queue <0> TDH <0> TDT <1> next_to_use <1> next_to_clean <0> buffer_info [next_to_clean] time_stamp Jan 14, 2021 · 软路由Intel I210网卡频繁Tx Unit Hang错误怎么办？ [复制链接] 返回列表 发新帖 高级模式 B Color Image Link Quote Code Smilies. 5 built-in driver (5. - disable pcie aspm under /etc/default/grub. 859520] net eth0: netmap queues/slots: TX 1/256, RX 1/256 I need [ 1225. Fix 55511, PowerFlex: All SDCs disconnected from SDS vmnic got reset to half-duplex and auto-negotiate. 0 Apr 12, 2017 · MSI / MSI-X interrupt events when there is 'igb Tx Unit Hang' . 0. kpk wbv zqk zwc lxp rxp bsd ght exr jje mky gln crq lvw kuk