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Date:      Thu, 28 Nov 2024 00:47:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 283015] iwlwifi: kernel panic: sleeping thread holds lvif
Message-ID:  <bug-283015-227-uuu85Xbw4k@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-283015-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283015

--- Comment #1 from Graham Perrin <grahamperrin@gmail.com> ---
Created attachment 255501
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=255501&action=edit
A photograph of the primary screen during the panic, frozen at 09:39:04

Greyscale. The original colour version (too large) failed to attach at comment
0.

<https://bsd-hardware.info/?probe=c8d95da1f8>; was the result of a probe at
06:02 UTC the day before the panic (2024-11-26).

Notable, before the panic on 2024-11-27: 

- at home, I would have routinely
  ifconfig gif0 down && ifconfig em0 down
  because (a) I rarely require the gif0 tunnel for IPv6 with em0; 
  and (b) usually I prefer em(4), but recently I'm testing iwlwifi(4)

- sleep of the OS at home, whilst connected to ssid 'piano5'

- wake of the OS at work, miles away, apparently still connected to the 
  home network

ifconfig wlan1 down

ifconfig wlan1 up

- not connected to the required network (ssid eduroam)

route delete default ; ifconfig gif0 down ; service netif stop em0 > &
/dev/null ; ifconfig wlan0 destroy ; sleep 1 ; service netif start em0 > &
/dev/null ; sleep 15 ; resolvconf -i ; route show default ; ping -4 -c 2
freshports.org

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