[FS#2628] Kernel warning / crash on ramips: eth0 (mtk_soc_eth): transmit queue 0 timed out

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Sun Feb 7 18:30:19 EST 2021


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The following task has a new comment added:

FS#2628 - Kernel warning / crash on ramips: eth0 (mtk_soc_eth): transmit queue 0 timed out
User who did this - Baptiste Jonglez (bjonglez)

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I'm trying to reproduce the crash to test your fix.  Are you still using the same method to reproduce? ("dd if=/dev/zero bs=4k |nc -u 10.19.19.194 887 and simultaneously send many small packet with random dst port through the router from packet generator")

Also, did you have flow offloading enabled? (soft, hard?)

It's a bit strange that you reproduced this with UDP traffic if the issue is related to TSO (because it should only apply to TCP).

I'm hoping we can integrate a fix (or at least a workaround) for the upcoming 19.07.7 point release.
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=2628#comment9343

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