From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932859AbWFWG20 (ORCPT ); Fri, 23 Jun 2006 02:28:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932857AbWFWG20 (ORCPT ); Fri, 23 Jun 2006 02:28:26 -0400 Received: from mail47.e.nsc.no ([193.213.115.47]:49839 "EHLO mail47.e.nsc.no") by vger.kernel.org with ESMTP id S932859AbWFWG20 (ORCPT ); Fri, 23 Jun 2006 02:28:26 -0400 Message-ID: <449B8A0D.60607@online.no> Date: Fri, 23 Jun 2006 08:28:29 +0200 From: Knut J Bjuland User-Agent: Thunderbird 1.5.0.4 (X11/20060614) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: I can cause kernel panic by using native alsa midi with 2.6.17.1 X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I can cause kernel panic by either alsasound stop or using a native midi player like pmidi. osss midi player does not cause crash.pmidi -p 17:1 midifile. 1./sbin/modprobe snd-emu10k1-synth 2./bin/asfxload *.sf2 3.pmidi -p 17.0 any.midi file 4. hit ctrl-c during playing a midi file ksymoops 2.4.9 on i686 2.6.17-1.2138_FC5smp. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.6.17-1.2138_FC5 (specified) -m /boot/System.map-2.6.17-1.2138_FC5 (specified) Error (regular_file): read_ksyms stat /proc/ksyms failed No modules in ksyms, skipping objects No ksyms, skipping lsmod Jun 21 21:04:53 knutjorgen kernel: kernel BUG at include/linux/list.h:58! Jun 21 21:04:53 knutjorgen kernel: CPU: 0 Jun 21 21:04:53 knutjorgen kernel: EIP: 0060:[] Not tainted VLI Using defaults from ksymoops -t elf32-i386 -a i386 Jun 21 21:04:53 knutjorgen kernel: EFLAGS: 00010082 (2.6.17-1.2138_FC5 #1) Jun 21 21:04:53 knutjorgen kernel: eax: 00000044 ebx: f767a768 ecx: c06bcfd0 Jun 21 21:04:53 knutjorgen kernel: esi: f767a768 edi: f56d67e8 ebp: f56d6760 Jun 21 21:04:53 knutjorgen kernel: ds: 007b es: 007b ss: 0068 Jun 21 21:04:53 knutjorgen kernel: Stack: f8a32432 f767a768 f56d67e8 f56d67fc f56d67f0 00000282 22222222 22222222 Jun 21 21:04:53 knutjorgen kernel: f56d6760 f75973e0 f75973e0 f4ebc734 f8a2c1bc f56d6760 f8a2c26e 00000000 Jun 21 21:04:53 knutjorgen kernel: f7597568 00000008 f56d6760 f8a2c2bc 00000008 c045e00e 00000000 f71d0340 Jun 21 21:04:53 knutjorgen kernel: Call Trace: Jun 21 21:04:53 knutjorgen kernel: seq_free_client1+0x8/0x7e Jun 21 21:04:53 knutjorgen kernel: snd_seq_release+0x12/0x31 Jun 21 21:04:53 knutjorgen kernel: filp_close+0x52/0x59 Jun 21 21:04:53 knutjorgen kernel: Code: 00 00 74 6d 8b 9d 88 00 00 00 8b b5 8c >>EIP; f8a31234 <===== >>ecx; c06bcfd0 Trace; f8a2c1bc Trace; f8a2c2bc Trace; c045b940 Code; f8a31234 00000000 <_EIP>: Code; f8a31234 <===== 0: 00 00 add %al,(%eax) <===== Code; f8a31236 2: 74 6d je 71 <_EIP+0x71> Code; f8a31238 4: 8b 9d 88 00 00 00 mov 0x88(%ebp),%ebx Code; f8a3123e a: 8b b5 8c 00 00 00 mov 0x8c(%ebp),%esi b7 9e c7 <0f> 0b 3a 00 1d 24 a3 f8 8b 06 39 d8 74 1c 89 5c 24 04 89 44 24 Jun 21 21:04:53 knutjorgen kernel: EIP: [] Warning (Oops_read): Code line not seen, dumping what data is available >>EIP; f8a31234 <===== 1 warning and 1 error issued. Results may not be reliable. Jun 21 21:04:53 knutjorgen kernel: ------------[ cut here ]------------ Jun 21 21:04:53 knutjorgen kernel: kernel BUG at include/linux/list.h:58! Jun 21 21:04:53 knutjorgen kernel: invalid opcode: 0000 [#1] Jun 21 21:04:53 knutjorgen kernel: last sysfs file: /class/sound/midiC0D3/dev Jun 21 21:04:53 knutjorgen kernel: Modules linked in: snd_seq_midi snd_rtctimer snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul ipv6 autofs4 hidp l2cap bluetooth sunrpc ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video button battery ac lp parport_pc parport usblp ohci1394 ieee1394 usb_storage uhci_hcd ehci_hcd floppy sg snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss bt878 tuner tda9887 msp3400 snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd bttv video_buf ir_common compat_ioctl32 i2c_algo_bit v4l2_common soundcore btcx_risc tveeprom tg3 videodev emu10k1_gp gameport i2c_i801 i2c_core dm_snapshot dm_zero dm_mirror dm_mod ata_piix ext3 jbd ahci libata sd_mod scsi_mod Jun 21 21:04:53 knutjorgen kernel: CPU: 0 Jun 21 21:04:53 knutjorgen kernel: EIP: 0060:[] Not tainted VLI Jun 21 21:04:53 knutjorgen kernel: EFLAGS: 00010082 (2.6.17-1.2138_FC5 #1) Jun 21 21:04:53 knutjorgen kernel: EIP is at snd_seq_delete_all_ports+0x60/0x176 [snd_seq] Jun 21 21:04:53 knutjorgen kernel: eax: 00000044 ebx: f767a768 ecx: c06bcfd0 edx: f7f7a000 Jun 21 21:04:53 knutjorgen kernel: esi: f767a768 edi: f56d67e8 ebp: f56d6760 esp: f4edef30 Jun 21 21:04:53 knutjorgen kernel: ds: 007b es: 007b ss: 0068 Jun 21 21:04:53 knutjorgen kernel: Process pmidi (pid: 2994, threadinfo=f4ede000 task=f7f7a000) Jun 21 21:04:53 knutjorgen kernel: Stack: f8a32432 f767a768 f56d67e8 f56d67fc f56d67f0 00000282 22222222 22222222 Jun 21 21:04:53 knutjorgen kernel: f56d6760 f75973e0 f75973e0 f4ebc734 f8a2c1bc f56d6760 f8a2c26e 00000000 Jun 21 21:04:53 knutjorgen kernel: f7597568 00000008 f56d6760 f8a2c2bc 00000008 c045e00e 00000000 f71d0340 Jun 21 21:04:53 knutjorgen kernel: Call Trace: Jun 21 21:04:53 knutjorgen kernel: seq_free_client1+0x8/0x7e [snd_seq] seq_free_client+0x3c/0x78 [snd_seq] Jun 21 21:04:53 knutjorgen kernel: snd_seq_release+0x12/0x31 [snd_seq] __fput+0xb2/0x158 Jun 21 21:04:53 knutjorgen kernel: filp_close+0x52/0x59 syscall_call+0x7/0xb Jun 21 21:04:53 knutjorgen kernel: Code: 00 00 74 6d 8b 9d 88 00 00 00 8b b5 8c 00 00 00 8b 43 04 39 f0 74 1c 89 74 24 04 89 44 24 08 c7 04 24 32 24 a3 f8 e8 8f b7 9e c7 <0f> 0b 3a 00 1d 24 a3 f8 8b 06 39 d8 74 1c 89 5c 24 04 89 44 24 Jun 21 21:04:53 knutjorgen kernel: EIP: [] snd_seq_delete_all_ports+0x60/0x176 [snd_seq] SS:ESP 0068:f4edef30 Jun 21 21:04:53 knutjorgen kernel: <0>Fatal exception: panic in 5 seconds https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=196149 and https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=194597 #6736