Messages in this thread | | | Date | Sat, 16 Oct 2004 23:36:35 +0100 (BST) | From | Chris Rankin <> | Subject | [OOPS] Linux 2.6.8.1 with PL2303 |
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Linux 2.6.8.1-SMP on a UP machine, devfs, gcc-3.4.2
I received this error when unplugging my PL2303 USB serial converter from my USB 2.0 hub. (Not that the device worked when I tried to use it anyway.)
usb 5-5.4: PL-2303 converter now attached to ttyUSB0 usbcore: registered new driver pl2303 drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor driver v0.11 PL-2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28 PL-2303 ttyUSB0: PL-2303 converter now disconnected from ttyUSB0 $ usb 5-5.4: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: 00000000 *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: pl2303 usbserial snd_seq_oss snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq videodev mga deflate zlib_deflate zlib_inflate twofish serpent aes_i586 blowfish des sha256 crypto_null af_key md5 ipv6 snd_rtctimer binfmt_misc w83781d eeprom i2c_sensor i2c_i801 i2c_core ide_cd cdrom psmouse pcspkr button processor nfs nfsd exportfs lockd sunrpc ehci_hcd eth1394 ohci_hcd ohci1394 ieee1394 8139too mii crc32 emu10k1_gp gameport snd_emu10k1 snd_rawmidi snd_seq_device snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd soundcore uhci_hcd usbcore i8xx_tco intel_agp agpgart joydev evdev ext3 jbd CPU: 0 EIP: 0060:[<00000000>] Not tainted EFLAGS: 00010202 (2.6.8.1) EIP is at 0x0 eax: d3769801 ebx: dace2290 ecx: 00000000 edx: d3769838 esi: d3769800 edi: dace2280 ebp: cfd71024 esp: de8c3e7c ds: 007b es: 007b ss: 0068 Process khubd (pid: 540, threadinfo=de8c3000 task=dee83310) Stack: e161df78 d3769838 00000083 dace2280 dace2280 e15fd2a0 cfd71000 e08d910a dace2280 dace2280 d051cdd0 dace2290 e15fd2c0 c01f6a66 dace2290 dace22b8 dace2290 cfd710d0 c01f6cf5 dace2290 dace2290 dace2290 cfd710d0 c01f5a89 Call Trace: [<e161df78>] usb_serial_disconnect+0x38/0x90 [usbserial] [<e08d910a>] usb_unbind_interface+0x6a/0x70 [usbcore] [<c01f6a66>] device_release_driver+0x66/0x70 [<c01f6cf5>] bus_remove_device+0x65/0xb0 [<c01f5a89>] device_del+0x59/0xc0 [<e08e02f8>] usb_disable_device+0x98/0x110 [usbcore] [<e08db353>] usb_disconnect+0xb3/0x160 [usbcore] [<e08dc322>] hub_port_connect_change+0x242/0x400 [usbcore] [<e08dc6b6>] hub_events+0x1d6/0x3d0 [usbcore] [<c011ad70>] autoremove_wake_function+0x0/0x60 [<e08dc8f5>] hub_thread+0x45/0x120 [usbcore] [<c011ad70>] autoremove_wake_function+0x0/0x60 [<c011ad70>] autoremove_wake_function+0x0/0x60 [<e08dc8b0>] hub_thread+0x0/0x120 [usbcore] [<c0103f35>] kernel_thread_helper+0x5/0x10 Code: Bad EIP value.
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