From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC1CE1EA7D7 for ; Thu, 20 Feb 2025 07:10:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740035455; cv=none; b=mKX4NLbAYBkSPPKS6Y4HHxm6D2h34xNRxz1rLShpkrDDVCYheZJr0upinb9u9ql98jGrXLCHcY+62wdgVehCkhXlJr5vFarbz2DCCgV/fU0mJ6rLlCDCbdCJPKr3dir+8n/xW2S0NXVridqu1uhNv/qBAlufO/8bBaAp0LddC20= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740035455; c=relaxed/simple; bh=HbdPPT4Tu+8coU6MEBToH5JHRAkXZDVftuU+uj363u4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=sHVRGtSZfbNveis+mNN4goBIQzJRnv3pw0LVkEVazDHiHaRCQgLKiBO1s1jrfhfCt+qjhx/1JZjRGrJFJEbxv0/Ylg4AUhskxWdeJlHPslf0O5cL4A97mC8fwmWuBX7Gl+cKvb2YIuWqAmR/+IXmy0yOomnyu8FsXmoqOpkrEKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bPWEqI23; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bPWEqI23" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2CC5BC4CEE6 for ; Thu, 20 Feb 2025 07:10:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740035455; bh=HbdPPT4Tu+8coU6MEBToH5JHRAkXZDVftuU+uj363u4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bPWEqI23VQ5S8jgzCPbamAx7L+ioasfLnG+4NVlVrm+pUbMkSTI8C7dbdLXR4On39 tlg69wgfTWapGSRqncSlyEMgvsnLkSBlvpp4BPj90OVPCAZJ4WUPTGOwMdT8q9D2xu B6l/DKYikr0a0DB4Makefy20zXI7dwakbnYVrQe/E6HCcNooqJYHRb9lwAgRP+8on7 zyuf2CAmRudaEja/u0bq9zRqELS4nXY6qQUT0Q46a7yUIL946l8r1ShMd+XVEpSKhC ch3amAOYTThDuh2BE0R0gA8BacqfGm65NesElDZVIMByY6738PJ0xt9XGiY/Fjw4wW LQzi2H5bngwcA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 2458AC53BBF; Thu, 20 Feb 2025 07:10:55 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 219787] Guest's applications crash with EXCEPTION_SINGLE_STEP (0x80000004) Date: Thu, 20 Feb 2025 07:10:54 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: rangemachine@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D219787 --- Comment #4 from rangemachine@gmail.com --- (In reply to Sean Christopherson from comment #2) > Are you able to bisect to an exact commit? There are significant KVM > changes in 6.13, but they're almost all related to memory management. I > can't think of anything that would manifest as an unexpected single step > #DB, especially not with any consistency. >=20 > And just to double check, the only difference in the setup is that the ho= st > kernel was upgraded from v6.12 =3D> v6.13? E.g. there was no QEMU update= or > guest-side changes? I was not able to bisect yet, sorry. And yes, I double checked, the only ch= ange is kernel upgraded from v6.12.10 to v6.13.2 (did not checked v6.13.3 yet, b= ut rc version had some behaviour). --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=