From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= Date: Mon, 20 Jan 2020 18:11:46 +0000 Subject: Re: [PATCH] fbdev: wait for references go away Message-Id: <20200120181146.GL1314@mail-itl> MIME-Version: 1 Content-Type: multipart/mixed; boundary="p0HNO2YbtFeVXwJ3" List-Id: References: <20200120100014.23488-1-kraxel@redhat.com> In-Reply-To: To: Bartlomiej Zolnierkiewicz Cc: "open list:FRAMEBUFFER LAYER" , Gerd Hoffmann , dri-devel@lists.freedesktop.org, open list --p0HNO2YbtFeVXwJ3 Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH] fbdev: wait for references go away On Mon, Jan 20, 2020 at 06:51:17PM +0100, Bartlomiej Zolnierkiewicz wrote: > I guess that a problem is happening during DRM driver load while fbdev > driver is loaded? I assume do_unregister_framebuffer() is called inside > do_remove_conflicting_framebuffers()? Yes, exactly. More details here: https://lists.linuxfoundation.org/pipermail/virtualization/2020-January/045= 026.html > At first glance it seems to be an user-space issue as it should not be > holding references on /dev/fb0 while DRM driver is being loaded. How plymouth would know when exactly it needs to release /dev/fb0? --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? --p0HNO2YbtFeVXwJ3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAl4l7WIACgkQ24/THMrX 1ywYwQgAimDeFDny3c/ar866L78Bc5TRyJynEGGbFlnb9BR/gCc9gpS1tNCyemPC keqTV3PxXHMFaTPnrJi2ebuUP+Lmj/YOK+tCXB8+ipwMs3Z1HZv1DR7D4s3gDDzk To8b4e0RnxpCdQJ4xpOoWL+XcueHy+RB8FtEXqXyVJTW/bJWGYGnuyQVSubBKQxL TyEp6ASDocGLFX0QsSrdVEkuVF/PMdfbyu6Th9MwQMtMmd0s2BuepAfJhDP3js1f JlMnL3N1wscxFOWn1TSAGywTMbAjwRctGwrCcULMDME2STVryuH0VNWpapKIMQpj PUlDFH5CMVOKGjXo2OkywONz4gP7kQ== =2hqv -----END PGP SIGNATURE----- --p0HNO2YbtFeVXwJ3--