[Bug 256916] panic: recent 14-current sometimes panics.

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 23 Sep 2021 12:30:41 UTC

--- Comment #10 from Masachika ISHIZUKA <ish@amail.plala.or.jp> ---
It still panicked recent 1400033 kernels.
It seems the ure driver's bug.
If I changed USB NIC from ure to axe, it didn't happen to panic.
On ure driver, command completion of tcsh on first (none cached) NFS directory
yeild the panic. On axe driver, it doesn't happen.
On my notebook, USB NIC of ure driver can be about 600Mbps (1000Base-T). On the
other hand, axge/cdce drivers are about 40Mbps(1000Base-T), or axe/axge/cdce
drivers are about 90Mbps(100Base-TX).
Although I want to use ure USB NIC of high speed, it seems make panic.

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