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a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1713774588; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=UZ3vNrg6LkJmCfd4kbrlbAp8FYYBh2MPW5kt0SJRSDQ=; b=R82zOWovpLq3J+CAZxZbzTag20ooCoG31dk2EEH4hd8xPvX6ZZQKlqNxkhimxnuEjnTpzO bNyy70TKiqu097w7KMyqglEpYw/G/ZLzK30kyHS83wF+RFw1iR7+wvEf29vXdHQBG9TP+M ZHlRojnwKZuz+Q1q+4n2fpwakwsL0GohjVoHaFPPhS73SGvdu71bRx8G5NvYHqGmn+6OAp Q/DiCFLThwBSB+dl/evUOJl8hpwYH4z3JvckjbpNJGYLsqsBk63annj9yQlBdx0V3iIOvV KRJs0hf6cGNlti8fwbytEOqPMmhMHNNThuOwvF9iOWvhEWraE4fwqWUCqpXp6Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1713774588; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=UZ3vNrg6LkJmCfd4kbrlbAp8FYYBh2MPW5kt0SJRSDQ=; b=I5N49lT2OByVQT1BKPOQsV0nwclJE64EgGPSLEe3PVISINltbgol0SNxArVLDuai5ErU6b reYFnpMyqv3BUVAA== From: Nam Cao To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Andrew Morton , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Mike Rapoport , Andreas Dilger , Arnd Bergmann , Changbin Du , Christophe Leroy , Geert Uytterhoeven , Ingo Molnar , Krister Johansen , Luis Chamberlain , Nick Desaulniers , Stephen Rothwell , Tejun Heo , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [linux-next:master] [init] b8de39bd1b: BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup_code Message-ID: <20240422082942.B750cniQ@linutronix.de> References: <202404221524.4954a009-oliver.sang@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202404221524.4954a009-oliver.sang@intel.com> On Mon, Apr 22, 2024 at 03:45:00PM +0800, kernel test robot wrote: > kernel test robot noticed "BUG:kernel_failed_in_early-boot_stage,last_printk:early_console_in_setup_code" on: > > commit: b8de39bd1b76faffe7cd91e148a6d7d9bf4e38f7 ("init: fix allocated page overlapping with PTR_ERR") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master I can reproduce the problem. I rebased this commit onto v6.8.7, I can still observe the problem. No immediate idea what is the problem. Backtrace from gdb goes crazy: (gdb) bt #0 0xffffffffb2074ded in ?? () #1 0x00000000000000a1 in ?? () #2 0x00000000000000a1 in ?? () #3 0x000000007ffff000 in ?? () #4 0x00000000543ff000 in ?? () #5 0x0000000000000000 in ?? () @akpm: drop this commit until this is figured out? Best regards, Nam