linux-kernel - [BUG linux-next] Hang in boot on Ubuntu 22.04 LTS

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Message-ID: <4b7cad0c-0c8d-4341-a822-6b249cd74565@gmail.com>
Date: Sat, 18 May 2024 00:51:43 +0200
From: Mirsad Todorovac <mtodorovac69@...il.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Thomas Zimmermann <tzimmermann@...e.de>, Sam Ravnborg <sam@...nborg.org>,
 Vineet Gupta <vgupta@...nel.org>, Catalin Marinas <catalin.marinas@....com>,
 Will Deacon <will@...nel.org>, Huacai Chen <chenhuacai@...nel.org>,
 WANG Xuerui <kernel@...0n.name>, Geert Uytterhoeven <geert@...ux-m68k.org>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 Helge Deller <deller@....de>, Michael Ellerman <mpe@...erman.id.au>,
 Nicholas Piggin <npiggin@...il.com>,
 Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>,
 John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
 "David S. Miller" <davem@...emloft.net>,
 Andreas Larsson <andreas@...sler.com>, Thomas Gleixner <tglx@...utronix.de>,
 Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
 Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
 "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>
Subject: [BUG linux-next] Hang in boot on Ubuntu 22.04 LTS

Hi, all,

Between next-20240503 and next-20240506 there was a problem that prevented booting in
Ubuntu 22.04 LTS on an AMD Ryzen 9 box.

The symptom is stuck boot with blank screen and an underscore blinking. After CTRL+ALT+DEL,
the kernel shuts down and reboots back into grub.

After next-20240503, the boot never succeeded on this configuration, but I am unable to
see what went wrong.

Please find attached the config and lshw.txt.

I thought it would be

# good: [f25eae2c405cbe810f8c52d743ea2b507c3fc301] arch: Select fbdev helpers with CONFIG_VIDEO
git bisect good f25eae2c405cbe810f8c52d743ea2b507c3fc301
# bad: [2fd001cd36005846caa6456fff1008c6f5bae9d4] arch: Rename fbdev header and source files
git bisect bad 2fd001cd36005846caa6456fff1008c6f5bae9d4
# good: [f178e96de7f0868e1b4d6df687794961f30125f2] arch: Remove struct fb_info from video helpers
git bisect good f178e96de7f0868e1b4d6df687794961f30125f2
# first bad commit: [2fd001cd36005846caa6456fff1008c6f5bae9d4] arch: Rename fbdev header and source files

Best regards,
Mirsad Todorovac
Download attachment "lshw.txt.gz" of type "application/gzip" (7314 bytes)

Download attachment "config-6.9.0-rc6-next-20240503.gz" of type "application/gzip" (69212 bytes)