[Bug 257195] [tcp] panic when RACK enabled

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 15 Jul 2021 09:46:57 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=257195

--- Comment #7 from iron.udjin_at_gmail.com ---
(In reply to Michael Tuexen from comment #6)

>Do you have steps that trigger the panic deterministically after the system has come up?

Unfortunatelly no. The sytem panics a few seconds after server start up.

>Can you also provide the output of ifconfig?

igb0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
       
options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,NOMAP>
        ether 9c:5c:8e:4f:6a:7d
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.0.1 netmask 0xffffffff
        groups: lo
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 192.168.0.1 netmask 0xffffffff
        groups: lo

Should I try to change back MTU to 1500 or disable TSO/LRO?

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Received on Thu Jul 15 2021 - 09:46:57 UTC

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