From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C1263CDBB7; Fri, 28 Aug 2026 06:41:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787899293; cv=none; b=KamsJs1b88ZRy2j0NvQlJqnJ889ItwasooS37HwkQ1ggVqdcN4zAoklfTXt1JKcikiAYg1hqGaxVXYVrz4IRYTS0DIX0mc0AxzPRSUOyrsaojr7GrS2iDc2a4y77ZtB14Hcxa+UW6a8aR+poR7AshWWL1VDVUXLvbG7XoqWnFsc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787899293; c=relaxed/simple; bh=I7I2/ZTyNjTbPj86UbW4P5/wCbYkujzT+Q34X05F6uY=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=W2o16/DEhHtLnhRRZuPX41S/MMsN8ArYPzkXrVLriw+cvcknqdLstWU8uDGishGxB0HasHfctawEl7rR10F6MO0orCxj24gk6CeLBNUPbnIIZmlTlNEHNETdXNvfHwx7EJGFI/habs73u/7Ix06a66Xj2pvrx0Hdl6C1Wx8IGI8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=UvMznaB3; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=cYnWkjF5; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=sPpwMpe0; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=34QDSGoG; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="UvMznaB3"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="cYnWkjF5"; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="sPpwMpe0"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="34QDSGoG" Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (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 smtp-out1.suse.de (Postfix) with ESMTPS id 691462201D; Fri, 28 Aug 2026 06:41:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1787899284; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=B3gF4iYIHVsjphby6wuvDuD0isK+Kz28/eGxa3pnhPA=; b=UvMznaB3AE7rrbNx9iaFV39/A3g8ZAqog54HT1a057s6NcFsrhU1xX6jRos3RWDparjHdR qN8b8FN97DNSpHZsT7xTgOPKXLcMG6NqC1sBw0OrzAQ4vJ6u9ABaYEUiizH7BS62QaPlwd /yGQZcg/pKUVYLMZ7PiPEDxklmypj4w= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1787899284; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=B3gF4iYIHVsjphby6wuvDuD0isK+Kz28/eGxa3pnhPA=; b=cYnWkjF5tf/Eq24pep84hrsOfZmgaYaRkJcRCJa8sYOhUjFU/7Zfa2M2A0ITkbqkCyQzPG 8j/9cP3pxOv2/zDg== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=sPpwMpe0; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=34QDSGoG DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1787899280; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=B3gF4iYIHVsjphby6wuvDuD0isK+Kz28/eGxa3pnhPA=; b=sPpwMpe0g/70vEXkp7S6B+BwarfhDfsWwlLmZFmBELFGsGZ2NSlCIbqd3AJdOFv6SNNaaE eddY+04oPs3W/Z/+PwXfwb4DtGpzzOJm+nKrpKjMXe2PNQkei8uThpBG7druqocZT/Qbf1 qKZL2o+VgaGFYtlk3nmByu+ynx06H38= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1787899280; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=B3gF4iYIHVsjphby6wuvDuD0isK+Kz28/eGxa3pnhPA=; b=34QDSGoGLRBJaPFRVVWZlZOO3ts0es0e2YDVg8ADaAcgEcffFfjKimjNfd9avDJm6Wbs3Y QV3x+F3vVyBSOiCg== Received: from imap1.dmz-prg2.suse.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 imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 12FDE13675; Fri, 28 Aug 2026 06:41:20 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id BltMA5AtkWrkUgAAD6G6ig (envelope-from ); Fri, 28 Aug 2026 06:41:20 +0000 Message-ID: <4e284baf-3805-48ad-87cb-73b17a2a3d67@suse.de> Date: Fri, 28 Aug 2026 08:41:19 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [usb?] [dri?] WARNING in drm_mode_config_validate To: syzbot , airlied@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, rubenru09@aol.com, simona@ffwll.ch, syzkaller-bugs@googlegroups.com References: <6a908732.1d9ded08.62e62.00d7.GAE@google.com> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNJ1Rob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmRlPsLAjgQTAQgAOAIb AwULCQgHAgYVCgkICwIEFgIDAQIeAQIXgBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftODH AAoJEGgNwR1TC3ojx1wH/0hKGWugiqDgLNXLRD/4TfHBEKmxIrmfu9Z5t7vwUKfwhFL6hqvo lXPJJKQpQ2z8+X2vZm/slsLn7J1yjrOsoJhKABDi+3QWWSGkaGwRJAdPVVyJMfJRNNNIKwVb U6B1BkX2XDKDGffF4TxlOpSQzdtNI/9gleOoUA8+jy8knnDYzjBNOZqLG2FuTdicBXblz0Mf vg41gd9kCwYXDnD91rJU8tzylXv03E75NCaTxTM+FBXPmsAVYQ4GYhhgFt8S2UWMoaaABLDe 7l5FdnLdDEcbmd8uLU2CaG4W2cLrUaI4jz2XbkcPQkqTQ3EB67hYkjiEE6Zy3ggOitiQGcqp j//OwE0EWznS4AEIAMYmP4M/V+T5RY5at/g7rUdNsLhWv1APYrh9RQefODYHrNRHUE9eosYb T6XMryR9hT8XlGOYRwKWwiQBoWSDiTMo/Xi29jUnn4BXfI2px2DTXwc22LKtLAgTRjP+qbU6 3Y0xnQN29UGDbYgyyK51DW3H0If2a3JNsheAAK+Xc9baj0LGIc8T9uiEWHBnCH+RdhgATnWW GKdDegUR5BkDfDg5O/FISymJBHx2Dyoklv5g4BzkgqTqwmaYzsl8UxZKvbaxq0zbehDda8lv hFXodNFMAgTLJlLuDYOGLK2AwbrS3Sp0AEbkpdJBb44qVlGm5bApZouHeJ/+n+7r12+lqdsA EQEAAcLAdgQYAQgAIAIbDBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftOH6AAoJEGgNwR1T C3ojVSkIALpAPkIJPQoURPb1VWjh34l0HlglmYHvZszJWTXYwavHR8+k6Baa6H7ufXNQtThR yIxJrQLW6rV5lm7TjhffEhxVCn37+cg0zZ3j7zIsSS0rx/aMwi6VhFJA5hfn3T0TtrijKP4A SAQO9xD1Zk9/61JWk8OysuIh7MXkl0fxbRKWE93XeQBhIJHQfnc+YBLprdnxR446Sh8Wn/2D Ya8cavuWf2zrB6cZurs048xe0UbSW5AOSo4V9M0jzYI4nZqTmPxYyXbm30Kvmz0rYVRaitYJ 4kyYYMhuULvrJDMjZRvaNe52tkKAvMevcGdt38H4KSVXAylqyQOW5zvPc4/sq9c= In-Reply-To: <6a908732.1d9ded08.62e62.00d7.GAE@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: -2.01 X-Rspamd-Queue-Id: 691462201D X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Level: X-Rspamd-Action: no action X-Spamd-Result: default: False [-2.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=9b0fc292fc5639c]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[aol.com,gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; FREEMAIL_TO(0.00)[syzkaller.appspotmail.com,gmail.com,lists.freedesktop.org,vger.kernel.org,linux.intel.com,kernel.org,aol.com,ffwll.ch,googlegroups.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCPT_COUNT_SEVEN(0.00)[10]; REDIRECTOR_URL(0.00)[goo.gl]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_RCPT(0.00)[901485725495f4729987]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; SUBJECT_HAS_QUESTION(0.00)[] X-Spam-Flag: NO Hi Am 27.08.26 um 20:51 schrieb syzbot: > Hello, > > syzbot found the following issue on: > > HEAD commit: 45c13f3f9e3b Merge tag 'hwlock-v7.3' of git://git.kernel.o.. > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > console output: https://syzkaller.appspot.com/x/log.txt?x=10ad399e580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9b0fc292fc5639c > dashboard link: https://syzkaller.appspot.com/bug?extid=901485725495f4729987 > compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17af0579580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17639625580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/ac6556827073/disk-45c13f3f.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/01ff014f18d2/vmlinux-45c13f3f.xz > kernel image: https://storage.googleapis.com/syzbot-assets/77e9c6302a14/bzImage-45c13f3f.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+901485725495f4729987@syzkaller.appspotmail.com > > usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0 > usb 4-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 > usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > ------------[ cut here ]------------ > [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup > WARNING: drivers/gpu/drm/drm_mode_config.c:872 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#1: kworker/1:0/24 > WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0 drivers/gpu/drm/drm_mode_config.c:938, CPU#1: kworker/1:0/24 This comes from gud supporting ARGB8888 on it's primary plane.  But the driver does not know the hardware's blend mode without a change to the gud protocol. I think the easiest solution is to drop support for ARGB from gud. Best regards Thomas > Modules linked in: > CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(lazy) > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 > Workqueue: usb_hub_wq hub_event > RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] > RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 drivers/gpu/drm/drm_mode_config.c:938 > Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d fc 06 ce 07 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 31 3d 68 fe 48 8d > RSP: 0018:ffffc9000019edd0 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 > RDX: ffff888108692dc0 RSI: 0000000000000023 RDI: ffffffff8b1a99a0 > RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 > R10: 0000000000000001 R11: 0000000000000000 R12: ffffed102175f9ca > R13: ffffed102175f9cb R14: 0000000000000001 R15: ffff88810bafcd60 > FS: 0000000000000000(0000) GS:ffff8882684eb000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000200000000000 CR3: 0000000119ed8000 CR4: 00000000003506f0 > Call Trace: > > drm_dev_register+0x56e/0x7b0 drivers/gpu/drm/drm_drv.c:1077 > gud_probe+0x17f4/0x1c20 drivers/gpu/drm/gud/gud_drv.c:646 > usb_probe_interface+0x386/0x9b0 drivers/usb/core/driver.c:399 > call_driver_probe drivers/base/dd.c:628 [inline] > really_probe+0x241/0xa60 drivers/base/dd.c:706 > __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 > driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 > __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 > bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 > __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 > device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 > bus_probe_device+0x64/0x160 drivers/base/bus.c:620 > device_add+0x121d/0x1970 drivers/base/core.c:3776 > usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268 > usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 > usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293 > call_driver_probe drivers/base/dd.c:628 [inline] > really_probe+0x241/0xa60 drivers/base/dd.c:706 > __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 > driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 > __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 > bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 > __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 > device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 > bus_probe_device+0x64/0x160 drivers/base/bus.c:620 > device_add+0x121d/0x1970 drivers/base/core.c:3776 > usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2708 > usb_new_device drivers/usb/core/hub.c:5833 [inline] > hub_port_connect drivers/usb/core/hub.c:5580 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] > port_event drivers/usb/core/hub.c:5884 [inline] > hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5966 > process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387 > process_scheduled_works kernel/workqueue.c:3470 [inline] > worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551 > kthread+0x373/0x450 kernel/kthread.c:436 > ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158 > ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 > > ---------------- > Code disassembly (best guess): > 0: 00 49 8b add %cl,-0x75(%rcx) > 3: 57 push %rdi > 4: 18 48 89 sbb %cl,-0x77(%rax) > 7: f8 clc > 8: 48 c1 e8 03 shr $0x3,%rax > c: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax > 10: 84 c0 test %al,%al > 12: 74 08 je 0x1c > 14: 3c 03 cmp $0x3,%al > 16: 0f 8e 00 0b 00 00 jle 0xb1c > 1c: 48 8d 3d fc 06 ce 07 lea 0x7ce06fc(%rip),%rdi # 0x7ce071f > 23: 41 8b b7 c8 00 00 00 mov 0xc8(%r15),%esi > * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction > 2f: e9 fa fd ff ff jmp 0xfffffe2e > 34: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx > 39: e8 31 3d 68 fe call 0xfe683d6f > 3e: 48 rex.W > 3f: 8d .byte 0x8d > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > If the report is already addressed, let syzbot know by replying with: > #syz fix: exact-commit-title > > If you want syzbot to run the reproducer, reply with: > #syz test: git://repo/address.git branch-or-commit-hash > If you attach or paste a git patch, syzbot will apply it before testing. > > If you want to overwrite report's subsystems, reply with: > #syz set subsystems: new-subsystem > (See the list of subsystem names on the web dashboard) > > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report > > If you want to undo deduplication, reply with: > #syz undup -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com GF: Jochen Jaser, Andrew McDonald, (HRB 36809, AG Nürnberg)