From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF8ACC6FD1D for ; Thu, 16 Mar 2023 00:34:54 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PcSvc5mmCz3cj1 for ; Thu, 16 Mar 2023 11:34:52 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=naebMpWV; dkim-atps=neutral Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4PcStc2z56z2x9L for ; Thu, 16 Mar 2023 11:34:00 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=naebMpWV; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4PcStb64Qxz4x1d; Thu, 16 Mar 2023 11:33:59 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1678926839; bh=tVxoK8hf/XN33P1gUvO+d1PauwkQu5SvlY6VlvvJG+I=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=naebMpWVzZnTsDDVDCZvu+loLUFkGB0WVnpnOVf1RrkkzLRr65F2p2HX7qV5gH71O bCmEMKta2CEf6yQjYBKBLJ+wsFfECWBBIrieoCou4jcjMP0HgC9/CJlP3lHn6EIv/E 34i3WR6kWLcP/AGaJrVMo482XbwaZtaUb9Gfh0kKBiti6xZFgEjZ+Op4CqB/6oDLUw lWI//uuSQlxAcqcd2n2imIyIpJv22PnSxqnEynqVXhD4X2Ly4ocHgIzGmH8lR+tAti L1iOQJnIlam9qUTNGbeP7fJyZ5PPX6sP5s0NjQO5qjtQD9XTbcGiKp8lIC9Wdersg2 o+F5WIBKg2JWw== From: Michael Ellerman To: Andrea Righi Subject: Re: boot regression on ppc64 with linux 6.2 In-Reply-To: References: <878rfyofma.fsf@mpe.ellerman.id.au> Date: Thu, 16 Mar 2023 11:33:59 +1100 Message-ID: <87zg8dmt54.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Nicholas Piggin , Oleg Nesterov Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Andrea Righi writes: > On Wed, Mar 15, 2023 at 02:30:53PM +1100, Michael Ellerman wrote: >> Andrea Righi writes: >> > I'm triggering the following bug when booting my qemu powerpc VM: >> >> I'm not seeing that here :/ >> >> Can you give a bit more detail? >> - qemu version >> - qemu command line >> - what userspace are you using? >> - full dmesg of the failing case > > Yeah, ignore this for now, it could be related to another custom patch > that I had applied (and forgot about it sorry), this one: > https://lore.kernel.org/lkml/20230119155709.20d87e35.gary@garyguo.net/T/ OK. Did you do the bisect with that patch applied though? > That is causing other issues on ppc64, so I think it might be related to > that, I'll do more tests making sure I use a vanilla kernel. I don't see an obvious connection between the modversions stuff and this crash, but I guess it's possible. cheers