[Bug 260393] Page Fault tcp_output/tcp_input

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 22 Dec 2021 15:12:11 UTC

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

There appears to be multiple dumps with different issues!

Decoding the thread name from the last printout you provided:

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

td_name = "if_io_tqg_1"

And according to the panic backtrace:

current process                = 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.


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