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    SubjectRe: Status of Bug 8094 - ipaq oops on connecting "Vodafone VPA-II" ?
    Greg KH schrieb:
    > Can you provide a log message that shows the problem you are having with
    > the 2.6.31 kernel?

    Attached. Currently only from an Nvidia-tainted kernel, though.
    If you need it reproduced on an untainted kernel it'll have to
    wait until I can reboot the machine.

    The Oops location according to gdb is:

    (gdb) info line *ipaq_open+0x1cf
    Line 656 of "drivers/usb/serial/ipaq.c" starts at address 0x986 <ipaq_open+457>
    and ends at 0x98f <ipaq_open+466>.

    The lsusb output of the device:

    ts@xenon:~> sudo lsusb -v -d 0bb4:

    Bus 003 Device 002: ID 0bb4:0bce High Tech Computer Corp. Vario MDA
    Device Descriptor:
    bLength 18
    bDescriptorType 1
    bcdUSB 2.00
    bDeviceClass 239 Miscellaneous Device
    bDeviceSubClass 1 ?
    bDeviceProtocol 1 Microsoft ActiveSync
    bMaxPacketSize0 64
    idVendor 0x0bb4 High Tech Computer Corp.
    idProduct 0x0bce Vario MDA
    bcdDevice 0.00
    iManufacturer 1 HTC
    iProduct 2 Generic RNDIS
    iSerial 3 66460e0b-5ccf-7103-e800-0050bf3f5173
    bNumConfigurations 1
    Configuration Descriptor:
    bLength 9
    bDescriptorType 2
    wTotalLength 62
    bNumInterfaces 2
    bConfigurationValue 1
    iConfiguration 0
    bmAttributes 0xc0
    Self Powered
    MaxPower 100mA
    Interface Descriptor:
    bLength 9
    bDescriptorType 4
    bInterfaceNumber 0
    bAlternateSetting 0
    bNumEndpoints 1
    bInterfaceClass 239 Miscellaneous Device
    bInterfaceSubClass 1 ?
    bInterfaceProtocol 1 Microsoft ActiveSync
    iInterface 0
    ** UNRECOGNIZED: 05 24 01 00 01
    ** UNRECOGNIZED: 04 24 02 00
    ** UNRECOGNIZED: 05 24 02 00 01
    Endpoint Descriptor:
    bLength 7
    bDescriptorType 5
    bEndpointAddress 0x81 EP 1 IN
    bmAttributes 3
    Transfer Type Interrupt
    Synch Type None
    Usage Type Data
    wMaxPacketSize 0x0008 1x 8 bytes
    bInterval 1
    Interface Descriptor:
    bLength 9
    bDescriptorType 4
    bInterfaceNumber 1
    bAlternateSetting 0
    bNumEndpoints 2
    bInterfaceClass 10 CDC Data
    bInterfaceSubClass 0 Unused
    bInterfaceProtocol 0
    iInterface 0
    Endpoint Descriptor:
    bLength 7
    bDescriptorType 5
    bEndpointAddress 0x82 EP 2 IN
    bmAttributes 2
    Transfer Type Bulk
    Synch Type None
    Usage Type Data
    wMaxPacketSize 0x0040 1x 64 bytes
    bInterval 0
    Endpoint Descriptor:
    bLength 7
    bDescriptorType 5
    bEndpointAddress 0x03 EP 3 OUT
    bmAttributes 2
    Transfer Type Bulk
    Synch Type None
    Usage Type Data
    wMaxPacketSize 0x0040 1x 64 bytes
    bInterval 0
    Device Status: 0x0000
    (Bus Powered)

    Thanks,
    Tilman

    --
    Tilman Schmidt E-Mail: tilman@imap.cc
    Bonn, Germany
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    Sep 20 14:17:08 xenon kernel: [48089.284422] usb usb2: usb resume
    Sep 20 14:17:08 xenon kernel: [48089.284431] ehci_hcd 0000:00:1a.7: resume root hub
    Sep 20 14:17:08 xenon kernel: [48089.406220] ehci_hcd 0000:00:1a.7: port 4 full speed --> companion
    Sep 20 14:17:08 xenon kernel: [48089.406231] ehci_hcd 0000:00:1a.7: GetStatus port 4 status 003801 POWER OWNER sig=j CONNECT
    Sep 20 14:17:08 xenon kernel: [48089.418015] hub 2-0:1.0: hub_resume
    Sep 20 14:17:08 xenon kernel: [48089.418068] ehci_hcd 0000:00:1a.7: GetStatus port 4 status 003002 POWER OWNER sig=se0 CSC
    Sep 20 14:17:08 xenon kernel: [48089.518032] usb usb3: usb resume
    Sep 20 14:17:08 xenon kernel: [48089.518038] usb usb3: wakeup_rh
    Sep 20 14:17:08 xenon kernel: [48089.518050] hub 2-0:1.0: state 7 ports 4 chg 0000 evt 0000
    Sep 20 14:17:08 xenon kernel: [48089.550035] hub 3-0:1.0: hub_resume
    Sep 20 14:17:08 xenon kernel: [48089.550080] uhci_hcd 0000:00:1a.1: port 2 portsc 0093,00
    Sep 20 14:17:08 xenon kernel: [48089.550086] hub 3-0:1.0: port 2: status 0101 change 0001
    Sep 20 14:17:09 xenon kernel: [48089.651031] hub 3-0:1.0: state 7 ports 2 chg 0004 evt 0000
    Sep 20 14:17:09 xenon kernel: [48089.651068] hub 3-0:1.0: port 2, status 0101, change 0000, 12 Mb/s
    Sep 20 14:17:09 xenon kernel: [48089.753045] usb 3-2: new full speed USB device using uhci_hcd and address 3
    Sep 20 14:17:09 xenon kernel: [48089.896066] usb 3-2: skipped 3 descriptors after interface
    Sep 20 14:17:09 xenon kernel: [48089.901060] usb 3-2: default language 0x0409
    Sep 20 14:17:09 xenon kernel: [48089.917067] usb 3-2: udev 3, busnum 3, minor = 258
    Sep 20 14:17:09 xenon kernel: [48089.917072] usb 3-2: New USB device found, idVendor=0bb4, idProduct=0bce
    Sep 20 14:17:09 xenon kernel: [48089.917076] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    Sep 20 14:17:09 xenon kernel: [48089.917080] usb 3-2: Product: Generic RNDIS
    Sep 20 14:17:09 xenon kernel: [48089.917083] usb 3-2: Manufacturer: HTC
    Sep 20 14:17:09 xenon kernel: [48089.917086] usb 3-2: SerialNumber: 66460e0b-5ccf-7103-e800-0050bf3f5173
    Sep 20 14:17:09 xenon kernel: [48089.917215] PM: Adding info for usb:3-2
    Sep 20 14:17:09 xenon kernel: [48089.917245] usb 3-2: uevent
    Sep 20 14:17:09 xenon kernel: [48089.917278] usb 3-2: usb_probe_device
    Sep 20 14:17:09 xenon kernel: [48089.917283] usb 3-2: configuration #1 chosen from 1 choice
    Sep 20 14:17:09 xenon kernel: [48089.920075] usb 3-2: adding 3-2:1.0 (config #1, interface 0)
    Sep 20 14:17:09 xenon kernel: [48089.920124] PM: Adding info for usb:3-2:1.0
    Sep 20 14:17:09 xenon kernel: [48089.920135] usb 3-2:1.0: uevent
    Sep 20 14:17:09 xenon kernel: [48089.920181] usbserial_generic 3-2:1.0: usb_probe_interface
    Sep 20 14:17:09 xenon kernel: [48089.920185] usbserial_generic 3-2:1.0: usb_probe_interface - got id
    Sep 20 14:17:09 xenon kernel: [48089.920213] ipaq 3-2:1.0: usb_probe_interface
    Sep 20 14:17:09 xenon kernel: [48089.920221] ipaq 3-2:1.0: usb_probe_interface - got id
    Sep 20 14:17:09 xenon kernel: [48089.920233] ipaq 3-2:1.0: PocketPC PDA converter detected
    Sep 20 14:17:09 xenon kernel: [48089.922096] PM: Adding info for No Bus:ep_81
    Sep 20 14:17:09 xenon kernel: [48089.922126] PM: Adding info for usb-serial:ttyUSB0
    Sep 20 14:17:09 xenon kernel: [48089.922237] PM: Adding info for No Bus:ttyUSB0
    Sep 20 14:17:09 xenon kernel: [48089.922260] usb 3-2: PocketPC PDA converter now attached to ttyUSB0
    Sep 20 14:17:09 xenon kernel: [48089.922272] usb 3-2: adding 3-2:1.1 (config #1, interface 1)
    Sep 20 14:17:09 xenon kernel: [48089.922311] PM: Adding info for usb:3-2:1.1
    Sep 20 14:17:09 xenon kernel: [48089.922320] usb 3-2:1.1: uevent
    Sep 20 14:17:09 xenon kernel: [48089.922359] usbserial_generic 3-2:1.1: usb_probe_interface
    Sep 20 14:17:09 xenon kernel: [48089.922364] usbserial_generic 3-2:1.1: usb_probe_interface - got id
    Sep 20 14:17:09 xenon kernel: [48089.922388] ipaq 3-2:1.1: usb_probe_interface
    Sep 20 14:17:09 xenon kernel: [48089.922397] ipaq 3-2:1.1: usb_probe_interface - got id
    Sep 20 14:17:09 xenon kernel: [48089.922409] ipaq 3-2:1.1: PocketPC PDA converter detected
    Sep 20 14:17:09 xenon kernel: [48089.923468] PM: Adding info for No Bus:ep_82
    Sep 20 14:17:09 xenon kernel: [48089.923504] PM: Adding info for No Bus:ep_03
    Sep 20 14:17:09 xenon kernel: [48089.923530] PM: Adding info for usb-serial:ttyUSB1
    Sep 20 14:17:09 xenon kernel: [48089.924054] PM: Adding info for No Bus:ttyUSB1
    Sep 20 14:17:09 xenon kernel: [48089.924108] usb 3-2: PocketPC PDA converter now attached to ttyUSB1
    Sep 20 14:17:09 xenon kernel: [48089.924205] PM: Adding info for No Bus:ep_00
    Sep 20 14:17:11 xenon kernel: [48092.000069] hub 2-0:1.0: hub_suspend
    Sep 20 14:17:11 xenon kernel: [48092.000082] usb usb2: bus auto-suspend
    Sep 20 14:17:11 xenon kernel: [48092.000086] ehci_hcd 0000:00:1a.7: suspend root hub
    Sep 20 14:17:12 xenon kernel: [48093.107413] PPP generic driver version 2.4.2
    Sep 20 14:17:12 xenon kernel: [48093.107559] PM: Adding info for No Bus:ppp
    Sep 20 14:17:12 xenon pppd[30754]: pppd 2.4.4 started by root, uid 0
    Sep 20 14:17:12 xenon pppd[30752]: pppd 2.4.4 started by root, uid 0
    Sep 20 14:17:12 xenon kernel: [48093.158210] BUG: unable to handle kernel NULL pointer dereference at 0000003c
    Sep 20 14:17:12 xenon hal-synce-serial[30748] ERROR : failed to initialize ppp connection, return code -9
    Sep 20 14:17:12 xenon hal-synce-serial[30748] CRITICAL : failed to establish serial connection, aborting...
    Sep 20 14:17:12 xenon kernel: [48093.158222] IP: [<f8fde968>] ipaq_open+0x1cf/0x34a [ipaq]
    Sep 20 14:17:12 xenon kernel: [48093.158241] *pde = 00000000
    Sep 20 14:17:12 xenon kernel: [48093.158248] Oops: 0002 [#1] PREEMPT SMP
    Sep 20 14:17:12 xenon kernel: [48093.158257] last sysfs file: /sys/block/sda/sda1/stat
    Sep 20 14:17:12 xenon kernel: [48093.158262] Modules linked in: ppp_generic slhc rndis_host cdc_ether usbnet mii ipaq usbserial vboxnetadp vboxnetflt vboxdrv tun snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device iptable_filter ip_tables ip6table_filter ip6_tables x_tables af_packet ipv6 cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq microcode ohci_hcd ssb dm_crypt loop raid1 snd_hda_codec_idt snd_hda_intel nvidia(P) snd_hda_codec osst usb_storage snd_pcm snd_timer bas_gigaset snd gigaset rtc_cmos ohci1394 rtc_core soundcore sr_mod kernelcapi parport_pc ieee1394 parport intel_agp snd_page_alloc cdrom crc_ccitt i2c_i801 rtc_lib agpgart button iTCO_wdt i2c_core usb_libusual st iTCO_vendor_support usblp sg usbhid hid linear ehci_hcd uhci_hcd sd_mod crc_t10dif usbcore dm_snapshot edd dm_mod ext3 mbcache jbd fan thermal processor aic7xxx scsi_transport_spi pata_marvell ahci libata scsi_mod
    Sep 20 14:17:12 xenon kernel: [48093.158443]
    Sep 20 14:17:12 xenon kernel: [48093.158451] Pid: 30754, comm: pppd Tainted: P (2.6.31-vanilla #1)
    Sep 20 14:17:12 xenon kernel: [48093.158457] EIP: 0060:[<f8fde968>] EFLAGS: 00210286 CPU: 1
    Sep 20 14:17:12 xenon kernel: [48093.158470] EIP is at ipaq_open+0x1cf/0x34a [ipaq]
    Sep 20 14:17:12 xenon kernel: [48093.158475] EAX: 00000000 EBX: ebc5d400 ECX: 00000000 EDX: cfd58000
    Sep 20 14:17:12 xenon kernel: [48093.158480] ESI: cfe83800 EDI: c1155400 EBP: ebc5ce14 ESP: ebc5cdf0
    Sep 20 14:17:12 xenon kernel: [48093.158486] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
    Sep 20 14:17:12 xenon kernel: [48093.158493] Process pppd (pid: 30754, ti=ebc5c000 task=f3c19b60 task.ti=ebc5c000)
    Sep 20 14:17:12 xenon kernel: [48093.158498] Stack:
    Sep 20 14:17:12 xenon kernel: [48093.158501] f5884000 f3d01900 00000100 00000001 00000064 c1155414 f8fe594c cfe83800
    Sep 20 14:17:12 xenon kernel: [48093.158518] <0> f3d01900 ebc5ce3c f8f95c9e f5ac8c00 f5884000 f5884000 ebc5ce3c f3d01938
    Sep 20 14:17:12 xenon kernel: [48093.158537] <0> f5884000 f5b11480 f5884000 ebc5ce6c c026a022 f5ac8c00 f3c558f0 00000000
    Sep 20 14:17:12 xenon kernel: [48093.158557] Call Trace:
    Sep 20 14:17:12 xenon kernel: [48093.158573] [<f8f95c9e>] ? serial_open+0x130/0x1f7 [usbserial]
    Sep 20 14:17:12 xenon kernel: [48093.158587] [<c026a022>] ? tty_open+0x295/0x399
    Sep 20 14:17:12 xenon kernel: [48093.158597] [<c0192ac5>] ? chrdev_open+0x10d/0x124
    Sep 20 14:17:12 xenon kernel: [48093.158607] [<c018efa3>] ? __dentry_open+0x150/0x22c
    Sep 20 14:17:12 xenon kernel: [48093.158615] [<c018fe69>] ? nameidata_to_filp+0x2c/0x43
    Sep 20 14:17:12 xenon kernel: [48093.158622] [<c01929b8>] ? chrdev_open+0x0/0x124
    Sep 20 14:17:12 xenon kernel: [48093.158631] [<c0199922>] ? do_filp_open+0x401/0x6f5
    Sep 20 14:17:12 xenon kernel: [48093.158639] [<c018adee>] ? __slab_alloc+0x67/0x3e1
    Sep 20 14:17:12 xenon kernel: [48093.158649] [<c01a0b79>] ? alloc_fd+0xcf/0xd9
    Sep 20 14:17:12 xenon kernel: [48093.158657] [<c018ed47>] ? do_sys_open+0x4a/0xe2
    Sep 20 14:17:12 xenon kernel: [48093.158665] [<c018ec46>] ? filp_close+0x51/0x5b
    Sep 20 14:17:12 xenon kernel: [48093.158673] [<c018ee21>] ? sys_open+0x1e/0x26
    Sep 20 14:17:12 xenon kernel: [48093.158682] [<c01032a4>] ? sysenter_do_call+0x12/0x38
    Sep 20 14:17:12 xenon kernel: [48093.158688] Code: 86 58 01 00 00 85 c0 8b 96 48 01 00 00 75 16 89 d0 e8 e1 c0 1a c7 c7 86 48 01 00 00 00 00 00 00 e9 3c 01 00 00 8b 86 50 01 00 00 <89> 50 3c 8b 96 60 01 00 00 8b 86 58 01 00 00 89 42 3c 8b 86 50
    Sep 20 14:17:12 xenon kernel: [48093.158796] EIP: [<f8fde968>] ipaq_open+0x1cf/0x34a [ipaq] SS:ESP 0068:ebc5cdf0
    Sep 20 14:17:12 xenon kernel: [48093.158814] CR2: 000000000000003c
    Sep 20 14:17:12 xenon kernel: [48093.158821] ---[ end trace 9562154883978f47 ]---
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