Messages in this thread | | | Date | Sun, 9 Jul 2006 04:04:34 +0200 | From | "Antonio Mignolli" <> | Subject | BUG report |
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I'm on a Slackware with kernel 2.6.17.3 obtained by applying patch-2.6.17.3 to kernel 2.6.17. I plugged a Pinnacle pctv 50e USB tv card. It works correctly, I was trying it. After a while, I disconnected it and after very few seconds I plugged an external USB hard drive. For a couple of minutes, USB hub seemed to be not working. No messages on dmesg indicating a new device (usually /dev/sda, I have all the modules for that.) After about two minutes, the USB hub woke up (/dev/sda created, USB mouse working) and on syslog and on every terminal on my desktop appeared some messages.
TERMINAL MESSAGES:
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: Oops: 0002 [#1]
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: PREEMPT
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: CPU: 0
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: EIP is at __fput+0xab/0x140
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: eax: 00000007 ebx: d613c000 ecx: d61cc030 edx: c01ebbf7
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: esi: d3ba2780 edi: d9548184 ebp: d94ede14 esp: d613df6c
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: ds: 007b es: 007b ss: 0068
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: Process firefox-bin (pid: 5500, threadinfo=d613c000 task=d61cc030)
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: Stack: df7c4f40 d3ba2780 df68c5c0 00000000 d613c000 c0147fda d3ba2780 df68c5c0
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: d3ba2780 df68c5c0 d613c000 df68c5c0 d3ba2780 c014803c d3ba2780 df68c5c0
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: 00000030 00000002 09557fb0 c01025d7 00000030 00000000 b68c7600 00000002
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: Call Trace:
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: <c0147fda> filp_close+0x4c/0x55 <c014803c> sys_close+0x59/0x7c
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: <c01025d7> syscall_call+0x7/0xb
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: Code: 38 58 5a 8b 87 f4 00 00 00 85 c0 74 07 50 e8 6a 6e 00 00 58 8b 46 10 85 c0 74 35 8b 00 85 c0 74 2f bb 00 e0 ff ff 21 e3 ff 43 14 <ff> 88 00 01 00 00 83 38 02 75 0b 8b 80 88 01 00 00 e8 08 67 fc
Message from syslogd@slacky at Wed Jul 5 23:38:39 2006 ... slacky kernel: EIP: [<c01493c9>] __fput+0xab/0x140 SS:ESP 0068:d613df6c
SYSLOG MESSAGES:
Jul 5 23:38:39 slacky kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000107 Jul 5 23:38:39 slacky kernel: printing eip: Jul 5 23:38:39 slacky kernel: c01493c9 Jul 5 23:38:39 slacky kernel: *pde = 00000000 Jul 5 23:38:39 slacky kernel: Oops: 0002 [#1] Jul 5 23:38:39 slacky kernel: PREEMPT Jul 5 23:38:39 slacky kernel: Modules linked in: vfat fat snd_pcm_oss snd_mixer_oss snd_usb_au dio snd_usb_lib snd_rawmidi snd_seq_device snd_hwdep tda9887 tuner saa7115 em28xx compat_ioctl3 2 v4l1_compat v4l2_common ir_common videodev tveeprom i2c_core eth1394 snd_intel8x0 snd_intel8x 0m snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd snd_page_alloc yenta_socket rsrc_nonstatic pcmcia_core ohci1394 b44 joydev fuse evdev Jul 5 23:38:39 slacky kernel: CPU: 0 Jul 5 23:38:39 slacky kernel: EIP: 0060:[<c01493c9>] Not tainted VLI Jul 5 23:38:39 slacky kernel: EFLAGS: 00010202 (2.6.17.3 #7) Jul 5 23:38:39 slacky kernel: EIP is at __fput+0xab/0x140 Jul 5 23:38:39 slacky kernel: eax: 00000007 ebx: d613c000 ecx: d61cc030 edx: c01ebbf7 Jul 5 23:38:39 slacky kernel: esi: d3ba2780 edi: d9548184 ebp: d94ede14 esp: d613df6c Jul 5 23:38:39 slacky kernel: ds: 007b es: 007b ss: 0068 Jul 5 23:38:39 slacky kernel: Process firefox-bin (pid: 5500, threadinfo=d613c000 task=d61cc03 0) Jul 5 23:38:39 slacky kernel: Stack: df7c4f40 d3ba2780 df68c5c0 00000000 d613c000 c0147fda d3b a2780 df68c5c0 Jul 5 23:38:39 slacky kernel: d3ba2780 df68c5c0 d613c000 df68c5c0 d3ba2780 c014803c d3b a2780 df68c5c0 Jul 5 23:38:39 slacky kernel: 00000030 00000002 09557fb0 c01025d7 00000030 00000000 b68 c7600 00000002 Jul 5 23:38:39 slacky kernel: Call Trace: Jul 5 23:38:39 slacky kernel: <c0147fda> filp_close+0x4c/0x55 <c014803c> sys_close+0x59/0x7c Jul 5 23:38:39 slacky kernel: <c01025d7> syscall_call+0x7/0xb Jul 5 23:38:39 slacky kernel: Code: 38 58 5a 8b 87 f4 00 00 00 85 c0 74 07 50 e8 6a 6e 00 00 5 8 8b 46 10 85 c0 74 35 8b 00 85 c0 74 2f bb 00 e0 ff ff 21 e3 ff 43 14 <ff> 88 00 01 00 00 83 3 8 02 75 0b 8b 80 88 01 00 00 e8 08 67 fc Jul 5 23:38:39 slacky kernel: EIP: [<c01493c9>] __fput+0xab/0x140 SS:ESP 0068:d613df6c Jul 5 23:38:39 slacky kernel: <6>note: firefox-bin[5500] exited with preempt_count 1 Jul 5 23:38:39 slacky kernel: hub 1-0:1.0: over-current change on port 2 Jul 5 23:38:39 slacky kernel: hub 2-0:1.0: over-current change on port 1 Jul 5 23:38:39 slacky kernel: hub 2-0:1.0: over-current change on port 2 Jul 5 23:38:40 slacky kernel: hub 1-0:1.0: over-current change on port 1 Jul 5 23:40:37 slacky kernel: hub 1-0:1.0: over-current change on port 1 Jul 5 23:40:37 slacky kernel: hub 2-0:1.0: over-current change on port 1 Jul 5 23:40:44 slacky kernel: sda: assuming drive cache: write through Jul 5 23:40:44 slacky kernel: sda: assuming drive cache: write through
Hope it helps. Bye. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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