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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97E87C3F2CD for ; Tue, 3 Mar 2020 10:47:26 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 66AE320836 for ; Tue, 3 Mar 2020 10:47:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DbeqRp0f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66AE320836 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45253 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j955B-0001nF-IC for qemu-devel@archiver.kernel.org; Tue, 03 Mar 2020 05:47:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58637) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j954L-0000sV-F9 for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:46:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j954K-0002YY-5d for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:46:33 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:54546 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j954K-0002YM-1W for qemu-devel@nongnu.org; Tue, 03 Mar 2020 05:46:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583232391; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QHrFqrOTptBWVQhAXTwiXRdaMbqdHcJbIK7j8dckjvs=; b=DbeqRp0fdEcz1vhZjl/jdgTxrn4EopHB2Jffvj2oCg73GIAXN63K+vtd9wVIv4twS5Uw/P Hl/ggglLVz6lzRhw8AOnYZiqxYhz6umaXEmFnYEv9wlAWOjZ/bd7mOxGTYR0exzMT3nJuP ORI3TeYGpj1fSno1Kkxx53stQOQOJrI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-53-Uo7eYJnLOUSwK__c_VtnzA-1; Tue, 03 Mar 2020 05:46:29 -0500 X-MC-Unique: Uo7eYJnLOUSwK__c_VtnzA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C4D5A10CE782; Tue, 3 Mar 2020 10:46:28 +0000 (UTC) Received: from redhat.com (ovpn-112-56.ams2.redhat.com [10.36.112.56]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BAB2548; Tue, 3 Mar 2020 10:46:27 +0000 (UTC) Date: Tue, 3 Mar 2020 10:46:24 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Thorsten Glaser Subject: Re: qemu-system-x86_64: warning: Unknown X11 keycode mapping ''. Message-ID: <20200303104624.GC1773352@redhat.com> References: <20200302102841.GD1679990@redhat.com> <20200302130353.GL1679990@redhat.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.13.3 (2020-01-12) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, Mar 02, 2020 at 07:19:04PM +0100, Thorsten Glaser wrote: > On Mon, 2 Mar 2020, Daniel P. Berrang=C3=A9 wrote: >=20 > > There's two translations happening > >=20 > > * The scancode emitted by the kernel and/or hardware device, > > and then translated/mangled by X11 and reported as the > > hardware keycode > >=20 > > * The keysym which is the mapping from the hardware keycode > > done by XKB and/or Xmodmap >=20 > Yes, sure. >=20 > > We're dealing with the first point in QEMU, taking the hardware > > keycode and trying to undo the X11 mangling that was performed. >=20 > That=E2=80=99s where VNC often fails, generally, anyway=E2=80=A6 (asd oft= en get > translated back as adf). >=20 > > > But if I can do anything to help debugging this, sure. > >=20 > > Can you launch 'xev' inside your VNC session and press the 'Page Up' > > button and let me know what it reports the keycode and keysym. >=20 > Sure. >=20 > > Specifically I'm interested in this line of text: > >=20 > > state 0x0, keycode 112 (keysym 0xff55, Prior), same_screen YES, > >=20 > > On evdev it reports 112 as hardware code which is 0x70 hex, while with > > 'kbd' it reports 99 which is 0x63 hex. These are the only two scenarios > > QEMU knows how to cope with. >=20 > Then we=E2=80=99re somewhat out of luck: >=20 > KeyPress event, serial 35, synthetic NO, window 0x1000001, > root 0x25, subw 0x0, time 2624181177, (244,533), root:(250,560), > state 0x0, keycode 71 (keysym 0xff55, Prior), same_screen YES, > XLookupString gives 0 bytes: > XmbLookupString gives 0 bytes: > XFilterEvent returns: False This is all rather unfortunate, as I can't determine the well known scancode set that this matches so far. So I'll definitely have to investigate the source to understand what's going on. Regards, Daniel --=20 |: https://berrange.com -o- https://www.flickr.com/photos/dberrange= :| |: https://libvirt.org -o- https://fstop138.berrange.com= :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange= :|