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I don't know how many can bus devices expect pfifo_fast, rather than noqueue. So far as I can tell the flow dissector doesn't engage, so no FQ, but can is oft blocking bus so codel can drop more often than pfifo_fast does.
The text was updated successfully, but these errors were encountered:
dtaht:
Supply the following if possible:
CAN bus
all
bring up a can device that expects pfifo-fast, rather than noqueue
We finally had an edge case where fq_codel is totally the wrong thing.
https://marc.info/?l=linux-can&m=152785826628439&w=2
systemd/systemd#9194
I don't know how many can bus devices expect pfifo_fast, rather than noqueue. So far as I can tell the flow dissector doesn't engage, so no FQ, but can is oft blocking bus so codel can drop more often than pfifo_fast does.
The text was updated successfully, but these errors were encountered: