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Sun, 25 Jun 2023 14:12:33 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-499-gf27bbf33e2-fm-20230619.001-gf27bbf33 Mime-Version: 1.0 Message-Id: In-Reply-To: References: <27829c69-515c-36a6-4beb-3210225f8936@gmail.com> <69b98eb4-2c4e-fe75-90b4-4b08505a595a@lwfinger.net> Date: Sun, 25 Jun 2023 20:12:22 +0200 From: "Arnd Bergmann" To: "Sardonimous ." , "Larry Finger" , "Bagas Sanjaya" , "Linux Kernel Mailing List" , "Linux Regressions" , "Linux Wireless" , Netdev Cc: =?UTF-8?Q?Michael_B=C3=BCsch?= , "kernel test robot" , "Simon Horman" , "Kalle Valo" Subject: Re: Fwd: After kernel 6.3.7 or 6.3.8 b43 driver fails Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 25, 2023, at 18:58, Sardonimous wrote: > I have been unable to get DMA to work in the past.=C2=A0 So I have bee= n=20 > configuring it with PIO=3D1 (/etc/modprobe,d/b43.conf): > > =C2=A0=C2=A0=C2=A0 options b43 pio=3D1 qos=3D0 > I think the qos=3D0 parameter is what causes the WARN_ON(), as that causes the use of only one queue, while the warning happens when tx function iterates over all the queues and warns that they don't exist. Arnd