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Date:      Wed, 22 Dec 2021 15:12:11 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 260393] Page Fault tcp_output/tcp_input
Message-ID:  <bug-260393-7501-9gl5zA1Lde@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-260393-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-260393-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260393

--- Comment #52 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Hi,

There appears to be multiple dumps with different issues!

Decoding the thread name from the last printout you provided:

td_name =3D {0x69, 0x66, 0x5f, 0x69, 0x6f, 0x5f, 0x74, 0x71, 0x67, 0x5f, 0x
    0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};

td_name =3D "if_io_tqg_1"

And according to the panic backtrace:

current process                =3D 0 (if_io_tqg_1)

So this is a different core-dump, probably different issue.

Can you repeat in the GDB printouts from the thread with sbdrop() in the
backtrace (if_io_tqg_1):

I need to see:

print /x *tp
print /x *tp->t_inpcb

Just try searching all frames for these variables.

--HPS

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