https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198927
Bug ID: 198927
Summary: if_msk TCP fragmentation causes NFS mount fail
Product: Base System
Version: 11.0-CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 154831
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=154831&action=edit
single packet from Wireshark dump
I'm PXE/diskless booting a Samsung RS40 Laptop. The Diskless root normally gets
mounted by clients as V3 and read-only.
* This is the only NIC among my clients displaying this problem.
* The client gets to the NFS_mount stage, then the if_msk interface keeps
getting toggled up and down, without being able to mount the NFS root.
* Wireshark warns of TCP fragment "New fragment overlaps old data". Attached
single packet as text from Wireshark dump.
Is this an msk(4) problem or some screw-up on my end?
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