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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id r15-20020a05600c35cf00b0039c4ff5e0a7sm3658603wmq.38.2022.06.16.16.21.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jun 2022 16:21:19 -0700 (PDT) Message-ID: <97565fb5-cf7f-5991-6fb3-db96fe239ee8@redhat.com> Date: Fri, 17 Jun 2022 01:21:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v6 3/5] fbdev: Disable sysfb device registration when removing conflicting FBs Content-Language: en-US From: Javier Martinez Canillas To: Zack Rusin , "linux-kernel@vger.kernel.org" Cc: "linux-fbdev@vger.kernel.org" , "kraxel@redhat.com" , "tzimmermann@suse.de" , "gregkh@linuxfoundation.org" , "alex.williamson@redhat.com" , "dri-devel@lists.freedesktop.org" , "daniel.vetter@ffwll.ch" , "lersek@redhat.com" , "kvm@vger.kernel.org" , "deller@gmx.de" , Linux-graphics-maintainer References: <20220607182338.344270-1-javierm@redhat.com> <20220607182338.344270-4-javierm@redhat.com> <38473dcd-0666-67b9-28bd-afa2d0ce434a@redhat.com> <603e3613b9b8ff7815b63f294510d417b5b12937.camel@vmware.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable 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 6/17/22 00:18, Javier Martinez Canillas wrote: > On 6/16/22 23:03, Zack Rusin wrote: [snip] > > I'll look at this tomorrow but in the meantime, could you please look if the following > commits on top of drm-misc-next help ? > > d258d00fb9c7 fbdev: efifb: Cleanup fb_info in .fb_destroy rather than .remove > 1b5853dfab7f fbdev: efifb: Fix a use-after-free due early fb_info cleanup > Scratch that. I see in your config now that you are not using efifb but instead simpledrm: CONFIG_DRM_SIMPLEDRM=y, CONFIG_SYSFB_SIMPLEFB=y and CONFIG_DRM_VMWGFX. Since you mentioned efifb I misunderstood that you are using it. Anyways, as said I'll investigate this tomorrow. -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat