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Date:      Thu, 23 Sep 2021 12:30:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 256916] panic: recent 14-current sometimes panics.
Message-ID:  <bug-256916-227-kP4qpD1snq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-256916-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-256916-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256916

--- 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 direct=
ory
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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