NetBSD Problem Report #56036
From bsiegert@netbsd.org Thu Mar 4 20:17:52 2021
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Date: Thu, 4 Mar 2021 20:17:51 +0000 (UTC)
From: bsiegert@gmail.com
Reply-To: bsiegert@gmail.com
To: gnats-bugs@NetBSD.org
Subject: kernel panic in urtwn driver
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>Number: 56036
>Category: kern
>Synopsis: kernel panic in urtwn driver
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: kern-bug-people
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu Mar 04 20:20:00 +0000 2021
>Closed-Date: Sun Aug 08 09:04:31 +0000 2021
>Last-Modified: Sun Aug 08 09:04:31 +0000 2021
>Originator: bsiegert@gmail.com
>Release: NetBSD 9.99.80
>Organization:
The NetBSD Foundation
>Environment:
System: NetBSD meguro.bentsukun.ch NetBSD 9.99.80 (SPLEEN64) #4: Sat Feb 27 21:58:36 CET 2021
Architecture: aarch64
Machine: evbarm
>Description:
In a recent -current kernel on a Pinebook Pro, I have been seeing regular
kernel panics when using an urtwn USB Wi-Fi stick.
[ 3.559238] urtwn0 at uhub6 port 1
[ 3.559238] urtwn0: Realtek (0x0bda) 802.11n WLAN Adapter (0x8176), rev 2.00/2.00, addr 1
[ 3.569239] urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address a0:f3:c1:0f:44:d0
[ 3.569239] urtwn0: 1 rx pipe, 2 tx pipes
The panic is:
kernel diagnostic assertion "(from->m_flags & M_PKTHDR) != 0" failed: file "/usr/src/sys/kern/uipc_mbuf.c", line 1799
Full stack trace at https://photos.app.goo.gl/a4Hgn2NdpzjAVJ8k8
>How-To-Repeat:
Use NetBSD 9.99.80 on Pinebook Pro with a TP-LINK USB Wireless adapter.
FWIW, this does not occur with a 9.99.76 snapshot.
>Fix:
n/a
>Release-Note:
>Audit-Trail:
From: "David H. Gutteridge" <david@gutteridge.ca>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: kern/56036: kernel panic in urtwn driver
Date: Thu, 04 Mar 2021 20:11:57 -0500
Is it possible this is a duplicate of kern/56029?
Regards,
Dave
From: Benny Siegert <bsiegert@gmail.com>
To: gnats-bugs@netbsd.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: kern/56036: kernel panic in urtwn driver
Date: Fri, 5 Mar 2021 08:55:23 +0100
On Fri, Mar 5, 2021 at 2:15 AM David H. Gutteridge <david@gutteridge.ca> wrote:
> Is it possible this is a duplicate of kern/56029?
Very much a possibility. I will build a new kernel from HEAD and report back.
--
Benny
State-Changed-From-To: open->closed
State-Changed-By: bsiegert@NetBSD.org
State-Changed-When: Sun, 08 Aug 2021 09:04:31 +0000
State-Changed-Why:
56029 is fixed. I have not seen ths is issue reoccur.
>Unformatted:
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