linux-kernel - Re: Kconfig CONFIG_FB dependency regression

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Message-ID: <9bab4777-3034-b789-fdf6-ca8d7e6a8c35@infradead.org>
Date:   Tue, 1 Feb 2022 15:06:04 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Kees Cook <keescook@...omium.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Arnd Bergmann <arnd@...nel.org>
Cc:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Bing Yuan <Bing.Yuan@...opsys.com>,
        John Youn <John.Youn@...opsys.com>
Subject: Re: Kconfig CONFIG_FB dependency regression



On 2/1/22 15:01, Thinh Nguyen wrote:
> Hi,
> 
> One of our test setups is unable to boot (stuck at initramfs). Git
> bisection points to the commit below:
> 
> f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB")
> 
> Reverting this patch resolves the issue. This issue persists in mainline
> also. Unfortunately there isn't any meaningful log. Hopefully someone
> can give some insight as to what could be the issue and revert/fix this
> issue.

Hi,
Did you enable DRM_FBDEV_EMULATION?
Please provide the failing .config file.

-- 
~Randy