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Message-ID: <esjv78$g3h$1@sea.gmane.org> Date: Tue, 06 Mar 2007 15:52:24 +0100 From: Dirk Schoebel <dirk@...i-und-dirk.de> To: linux-kernel@...r.kernel.org Cc: linux-usb-devel@...ts.sourceforge.net Subject: Re: [linux-usb-devel] OOPS with 2.6.20 and 2.6.21-rc2 (mos7720) Oliver Neukum wrote: > Am Dienstag, 6. März 2007 11:33 schrieb Dirk Schoebel: >> when trying to access /dev/ttyUSB0, which is a port on a dual port >> usb-serial cable (mos7720 based) an kernel OOPS happens >> the driver loads ok, first access via minicom -> OOPS > > Please apply: > ftp://ftp.kernel.org/linux/kernel/people/gregkh/gregkh-2.6/gregkh-03-usb/usb-fix-usb-serial-device-naming-bug.patch > ftp://ftp.kernel.org/linux/kernel/people/gregkh/gregkh-2.6/gregkh-03-usb/usb-further-fix-for-usb-serial.patch > > HTH > Oliver hmm, applied these patches, still crashes Mar 6 15:46:30 emerald Unable to handle kernel NULL pointer dereference at 0000000000000070 RIP: Mar 6 15:46:30 emerald [<ffffffff8813b606>] :mos7720:mos7720_open+0x406/0x5a0 Mar 6 15:46:30 emerald PGD 13d489067 PUD 10ffe4067 PMD 0 Mar 6 15:46:30 emerald Oops: 0000 [1] SMP Mar 6 15:46:30 emerald CPU 0 Mar 6 15:46:30 emerald Modules linked in: snd_rtctimer snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq nls_iso8859_15 vmnet(PF) vmmon(PF) it87 hwmon_vid i2c_isa rfcomm eeprom l2cap lm90 fuse nls_iso8859_1 nls_cp850 eth1394 kqemu capability dazuko commoncap tuner tvaudio msp3400 psmouse nvidia(P) snd_emu10k1 snd_rawmidi snd_seq_device snd_util_mem snd_hwdep mos7720 usbserial ohci1394 i2c_nforce2 skge snd_bt87x bttv video_buf ir_common compat_ioctl32 btcx_risc tveeprom videodev v4l2_common v4l1_compat k8temp forcedeth snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd snd_page_alloc zaurus cdc_ether usbnet hci_usb bluetooth Mar 6 15:46:30 emerald Pid: 11881, comm: minicom Tainted: PF 2.6.21-rc2-emi #1 Mar 6 15:46:30 emerald RIP: 0010:[<ffffffff8813b606>] [<ffffffff8813b606>] :mos7720:mos7720_open+0x406/0x5a0 Mar 6 15:46:30 emerald RSP: 0018:ffff810122757d58 EFLAGS: 00010202 Mar 6 15:46:30 emerald RAX: 0000000040000780 RBX: ffff81013dfc5800 RCX: ffff81013ffe8000 Mar 6 15:46:30 emerald RDX: 0000000000000000 RSI: ffff810001000110 RDI: 0000000000000000 Mar 6 15:46:30 emerald RBP: ffff810122757d6f R08: ffff810122756000 R09: ffff810122757b58 Mar 6 15:46:30 emerald R10: 0000000000000000 R11: 0000000000000000 R12: ffff81013dfc5800 Mar 6 15:46:30 emerald R13: ffff81013d868bc0 R14: ffff81013cf43b00 R15: ffff81013d688580 Mar 6 15:46:30 emerald FS: 00002ba10338cda0(0000) GS:ffffffff808a200 (0000) knlGS:00000000f64af9c0 Mar 6 15:46:30 emerald CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Mar 6 15:46:30 emerald CR2: 0000000000000070 CR3: 000000013e55e000 CR4: 00000000000006e0 Mar 6 15:46:30 emerald Process minicom (pid: 11881, threadinfo ffff810122756000, task ffff810100074730) Mar 6 15:46:30 emerald Stack: ffff81013dfc5800 ffff81013d774ff0 0c00000000000282 ffff81013dfc5800 Mar 6 15:46:30 emerald ffff81013d868bc0 ffff810139607000 ffff81013dfc5818 00000000ffffffed Mar 6 15:46:30 emerald ffff8100bdabb2c0 ffffffff8812f487 ffff810109b6c900 000000000bc00000 Mar 6 15:46:30 emerald Call Trace: Mar 6 15:46:30 emerald [<ffffffff8812f487>] :usbserial:serial_open+0x117/0x190 Mar 6 15:46:30 emerald [<ffffffff805253a6>] tty_open+0x1b6/0x360 Mar 6 15:46:30 emerald [<ffffffff8024afe2>] chrdev_open+0x182/0x1e0 Mar 6 15:46:30 emerald [<ffffffff8024ae60>] chrdev_open+0x0/0x1e0 Mar 6 15:46:30 emerald [<ffffffff8021eccd>] __dentry_open+0xed/0x1e0 Mar 6 15:46:30 emerald [<ffffffff8022855d>] do_filp_open+0x2d/0x40 Mar 6 15:46:30 emerald [<ffffffff80234c6f>] do_setitimer+0x16f/0x350 Mar 6 15:46:30 emerald [<ffffffff802199ca>] do_sys_open+0x5a/0x100 Mar 6 15:46:30 emerald [<ffffffff802601ce>] system_call+0x7e/0x83 Mar 6 15:46:30 emerald Mar 6 15:46:30 emerald Mar 6 15:46:30 emerald Code: 44 8b 47 70 09 c2 48 8b 43 38 c7 47 04 01 00 00 00 48 89 4f Mar 6 15:46:30 emerald RIP [<ffffffff8813b606>] :mos7720:mos7720_open+0x406/0x5a0 Mar 6 15:46:30 emerald RSP <ffff810122757d58> Mar 6 15:46:30 emerald CR2: 0000000000000070 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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