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h=X-UI-Sender-Class:Date:Subject:To:Cc:References:From: In-Reply-To; b=TbxmXlvm3rE7QOQOh4cbM2NQxiKpTAXLemwKMo/FVr5T7JeZOt8qHuCU2SsEnNy+ hFiA57ddfhZb+vSB0Y+gZtMsMASlllXGWykvrrHpmI+JgmudxrIsYZoP018dHJ63h ST9l8nRvhmq6jdPJOP/QyufQxtgZ0Wt+Q37HLjppY1IQHM++p67AF4TAIWLJZIEhL KCC42dAY0bGQpfcVqNq4k9eBmJipHVu+1g4nRdAupvd/yzD/6Doa0uKifZ7wIYT1c SX8R2vtI0x4ZJx1lDtM9x8kiHNTkkxHlnDZp5XrYlkngivlXmGy4IpSOuwL8TDOu9 V92ci9kN9fDCWTUNVg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.20.55] ([94.134.146.202]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MLzFr-1rijjQ1iRF-00HviA; Fri, 19 Jan 2024 21:55:33 +0100 Message-ID: <0293b14b-6188-4229-9fb6-29fbbdb8dc83@gmx.de> Date: Fri, 19 Jan 2024 21:55:32 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: REGRESSION: no console on current -git Content-Language: en-US To: Jens Axboe , LKML , "regressions@lists.linux.dev" , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Thomas Zimmermann Cc: avier Martinez Canillas , Mirsad Todorovac References: <05ea3233-20dd-4af7-86cc-de11ad2efe84@kernel.dk> From: Helge Deller Autocrypt: addr=deller@gmx.de; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:TXMxecq5B8z4yhyXYaxKHVfKYJk1nHTR6ojUy0qKuDu4dyl9JHQ Y+W19o7vK4cWx0PRtOl+3ftJAFWxYEu8aTrab8sQuFDpo8DpZpexX/TRuu9bUX1vTDs0aJH n46Qhqg719vyku3VfedvWNY90Pgat1pwtz0xr4eGxDLJq5Z3Wdbq/F8pn0rm+uamVyUy6Qb MaPlaHH2T2ry3MoJJnaRw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:Cu7OFdiOwGU=;mmr7J1y84JwXPPypeqkeft6THJW NTwogCrwOuFFHvj/DGzcGFstlVIbTgp6jVtZm44ApgH4THkU8uvH/KXYtLfzBdbW6vTI96VwV MGA9DX5A5sEpu5j2/17LKuKhCoj+rb2SLoFM8Lg+EwZojzhdzezkIYPff9cpoavbs1MLJ/ub4 sfsDZNS09jnf3JWDyx+etgiL9bFDW2KdfJ6t+ppAnunL/SeIpRSnpgSjDabrJk121Ot2t4emN 9TXi7uWMvt7B6Vj57OuI+goVGkOp8cAZtbRYJK6UgtdE/7vYlQxCycCX/10G10qVZ2enFA+Ek lg4l2+HR8VXyiarazUfo+z1FrGd+FdytbFSK0TMUgWVxteyIDMh9tO2vUKRjS8P6GCT5tWp7Q Zd5wFCwyJipv+xyXdgkQ1eDEA4YlTzccaCcQWMTxPjdtmkpBbgnoasbo6Cakt2un/Mkm7N5cT Epj4Tpw/EExStKw+YX0pDoZ1ygUDqVYbcQXDljbHoIZ5+7hNYm+qJYWGwfweHP5zuE5r7DT6S c3Sxjhejo8CzAiLqCR4fGt1taRIdPxHA4KDpU19xMGN+YToPHQ94kDI9+uRBS9i6hSUfF33q1 MhlpkBh12eSjmnQUX688cbhlvtbNrRtSBbVfzGwTiek+5Fz2HrJ4rioCu14+w6P8gpwf6HnQs tqm3QcxVHw7RGOl6trbTvtxuLh4rDbwt3pXUoVA3QPUtANKG+IZXVfsGw3SycMzBB/JFgNjd9 0oU/Mu4LDJhNgqgvn0gwmRChhMH+HxhyS46mEVOJaEBNyEEotB9NzhAvHtENvGxTIF8UU8Vss 6/m9cFWzyg/ZQ/IhE2MvC941efv/kngDTaR1INEzHosSMheJI3OQWkMYF6jfXz8lz1bIQStia 98bGnMQGflSZ2Dv/MYcAk/KeYbjW4hofwkn1oWdWJZE32fNk1YGDcURFE/qfQ58R2xrAsdckG J62TbrlO9HRxQk8i1UJEHWqEt00= Adding Mirsad Todorovac (who reported a similar issue). On 1/19/24 19:39, Jens Axboe wrote: > My trusty R7525 test box is failing to show a console, or in fact anythi= ng, > on current -git. There's no output after: > > Loading Linux 6.7.0+ ... > Loading initial ramdisk ... > > and I don't get a console up. I went through the bisection pain and > found this was the culprit: > > commit df67699c9cb0ceb70f6cc60630ca938c06773eda > Author: Thomas Zimmermann > Date: Wed Jan 3 11:15:11 2024 +0100 > > firmware/sysfb: Clear screen_info state after consuming it > > Reverting this commit, and everything is fine. Looking at dmesg with a > buggy kernel, I get no frame or fb messages. On a good kernel, it looks > ilke this: > > [ 1.416486] efifb: probing for efifb > [ 1.416602] efifb: framebuffer at 0xde000000, using 3072k, total 3072= k > [ 1.416605] efifb: mode is 1024x768x32, linelength=3D4096, pages=3D1 > [ 1.416607] efifb: scrolling: redraw > [ 1.416608] efifb: Truecolor: size=3D8:8:8:8, shift=3D24:16:8:0 > [ 1.449746] fb0: EFI VGA frame buffer device > > Happy to test a fix, or barring that, can someone just revert this > commit please? I've temporarily added a revert patch into the fbdev for-next tree for now= , so people should not face the issue in the for-next series: https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/com= mit/?h=3Dfor-next I'd like to wait for Thomas to return on monday to check the issue as there are some other upcoming patches in this area from him. Helge