[linux-dvb] [Em28xx] kernel crash with Terratec Cinergy XS

Markus Rechberger mrechberger at gmail.com
Sat Dec 8 13:40:21 CET 2007


Hi Christian,

it seems like you have broken usb controller hardware, search the
em28xx mailinglist for crash and em28xx, someone also had the same
problem earlier already I think!

I can try to help you further - have a closer look at it when I'm back
from Sweden..

Markus

On Dec 8, 2007 12:34 PM, Christian Hoffmann
<email at christianhoffmann.info> wrote:
> Hi all,
>
> I was able to get a vmcore after the crash with kexec.
>
> Here is the bt and lastlog.
> Anything else I could provide?
>
> Chris
>
>
> PID: 0      TASK: ffffffff804b7870  CPU: 0   COMMAND: "swapper"
>  #0 [ffffffff80624b10] machine_kexec at ffffffff8021c00d
>  #1 [ffffffff80624bc0] crash_kexec at ffffffff80255dbe
>  #2 [ffffffff80624c80] do_page_fault at ffffffff803fde21
>  #3 [ffffffff80624d90] error_exit at ffffffff803fc0fd
>     [exception RIP: end_unlink_async+34]
>     RIP: ffffffff8811d20a  RSP: ffffffff80624e48  RFLAGS: 00010202
>     RAX: 0000000000010029  RBX: ffff81007e098178  RCX: 0000000000000000
>     RDX: 0000000000008028  RSI: ffffffff8811fe7e  RDI: 0000000000000080
>     RBP: 0000000000000000   R8: 0000000000000000   R9: ffffffff8047dc64
>     R10: ffff8100022ffc48  R11: 0000000000000246  R12: 0000000000000000
>     R13: ffff81007e098178  R14: ffff81007e098000  R15: 0000000000000000
>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
>  #4 [ffffffff80624e60] ehci_work at ffffffff8811d78b
>  #5 [ffffffff80624ed0] ehci_irq at ffffffff88120d0f
>  #6 [ffffffff80624f20] usb_hcd_irq at ffffffff880ded82
>  #7 [ffffffff80624f30] handle_IRQ_event at ffffffff802603e8
>  #8 [ffffffff80624f60] handle_fasteoi_irq at ffffffff802618b6
>  #9 [ffffffff80624f90] do_IRQ at ffffffff8020c136
> --- <IRQ stack> ---
> #10 [ffffffff805c7e88] ret_from_intr at ffffffff8020a141
>     [exception RIP: acpi_safe_halt+40]
>     RIP: ffffffff88003dc6  RSP: ffffffff805c7f30  RFLAGS: 00000246
>     RAX: 0000000000000000  RBX: ffff81007e6760a8  RCX: ffffffff8047dde4
>     RDX: 0000000000000007  RSI: 00000000000001c6  RDI: 0000000004000000
>     RBP: 0000000000000000   R8: 0000000000000002   R9: ffffffff8047dc64
>     R10: ffff8100022ffc48  R11: 0000000000000246  R12: ffffffff805c7f14
>     R13: 0000000000001001  R14: ffffffff80332334  R15: 0000000000000000
>     ORIG_RAX: ffffffffffffff86  CS: 0010  SS: 0018
> #11 [ffffffff805c7f30] acpi_processor_idle at ffffffff88003ff9
> #12 [ffffffff805c7f70] cpu_idle at ffffffff80208daf
> crash>
>
> ...
> DIGITAL TV REQUEST
> DIGITAL TV REQUEST
> DIGITAL TV REQUEST
> DIGITAL TV REQUEST
> Unable to handle kernel NULL pointer dereference at 0000000000000088 RIP:
>  [<ffffffff8811d20a>] :ehci_hcd:end_unlink_async+0x22/0xed
> PGD 46866067 PUD 46867067 PMD 0
> Oops: 0002 [1] SMP
> last sysfs file: /devices/pci0000:00/0000:00:14.4/0000:06:02.0/rf_kill
> CPU 0
> Modules linked in: qt1010 mt2060 mt352 zl10353 em2880_dvb dvb_core
> em28xx_audio xc3028_tuner tvp5150 tuner em28xx compat_ioctl32 ir_common
> videodev v4l2_common v4l1_compat tveeprom appletalk ax25 ipx p8023 eeprom
> ircomm_tty ircomm iptable_filter ip_tables ip6_tables x_tables snd_pcm_oss
> snd_mixer_oss snd_seq snd_seq_device af_packet cpufreq_conservative
> cpufreq_userspace cpufreq_powersave powernow_k8 fuse apparmor loop dm_mod
> pcmcia ipw2200 ide_cd tifm_7xx1 tifm_core ieee80211 ieee80211_crypt
> firmware_class ohci1394 container dock battery ac yenta_socket rtc_cmos
> ieee1394 cdrom snd_atiixp rsrc_nonstatic rtc_core i2c_piix4 snd_atiixp_modem
> rtc_lib snd_ac97_codec ac97_bus button pcmcia_core snd_pcm snd_timer tg3 snd
> parport_pc fglrx(P) parport soundcore k8temp hwmon serio_raw joydev
> snd_page_alloc irda crc_ccitt ehci_hcd ide_disk ohci_hcd usbcore radeonfb
> fb_ddc i2c_algo_bit i2c_core edd ext3 mbcache jbd fan atiixp ide_core thermal
> processor
> Pid: 0, comm: swapper Tainted: P      N 2.6.22.13-0.3-default #1
> RIP: 0010:[<ffffffff8811d20a>]
> [<ffffffff8811d20a>] :ehci_hcd:end_unlink_async+0x22/0xed
> RSP: 0018:ffffffff80624e48  EFLAGS: 00010202
> RAX: 0000000000010029 RBX: ffff81007e098178 RCX: 0000000000000000
> RDX: 0000000000008028 RSI: ffffffff8811fe7e RDI: 0000000000000080
> RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8047dc64
> R10: ffff8100022ffc48 R11: 0000000000000246 R12: 0000000000000000
> R13: ffff81007e098178 R14: ffff81007e098000 R15: 0000000000000000
> FS:  0000000040800950(0000) GS:ffffffff80500000(0000) knlGS:00000000f7e6e6c0
> CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 0000000000000088 CR3: 0000000046865000 CR4: 00000000000006e0
> Process swapper (pid: 0, threadinfo ffffffff805c6000, task ffffffff804b7870)
> Stack:  ffff81007e098000 ffff81007e098178 0000000000000000 ffffffff8811d78b
>  ffff81007e143120 ffff81007e7bc240 0000024100000800 0000000000000120
>  0000000000000240 0000000180617800 0000024100000001 ffff81007e098000
> Call Trace:
>  <IRQ>  [<ffffffff8811d78b>] :ehci_hcd:ehci_work+0x25/0x6bd
>  [<ffffffff88120d0f>] :ehci_hcd:ehci_irq+0x15a/0x188
>  [<ffffffff880ded82>] :usbcore:usb_hcd_irq+0x24/0x52
>  [<ffffffff802603e8>] handle_IRQ_event+0x25/0x53
>  [<ffffffff802618b6>] handle_fasteoi_irq+0x94/0xd0
>  [<ffffffff80208ce4>] default_idle+0x0/0x3d
>  [<ffffffff8020c136>] do_IRQ+0x6c/0xd6
>  [<ffffffff88003e4d>] :processor:acpi_processor_idle+0x0/0x48b
>  [<ffffffff8020a141>] ret_from_intr+0x0/0xa
>  <EOI>  [<ffffffff88003dc6>] :processor:acpi_safe_halt+0x28/0x39
>  [<ffffffff88003ff9>] :processor:acpi_processor_idle+0x1ac/0x48b
>  [<ffffffff88003e4d>] :processor:acpi_processor_idle+0x0/0x48b
>  [<ffffffff80208ce4>] default_idle+0x0/0x3d
>  [<ffffffff80208daf>] cpu_idle+0x8e/0xb1
>  [<ffffffff805d077b>] start_kernel+0x2cf/0x2db
>  [<ffffffff805d0148>] _sinittext+0x148/0x14c
>
>
> Code: c6 85 88 00 00 00 03 48 c7 45 50 00 00 00 00 e8 a8 95 1d f8
> RIP  [<ffffffff8811d20a>] :ehci_hcd:end_unlink_async+0x22/0xed
>  RSP <ffffffff80624e48>
> crash>
>
>
> >On Thursday 06 December 2007 23:00:05 you wrote:
> > Hi all,
> >
> > I recently bought a Terratec Cinergy XS in France.
> >
> > I tried driver from http://mcentral.de/hg/~mrec/v4l-dvb-experimental
> > and followed instructions from here
> >
> > http://www.techjp.net/suse_103_terratec_cartetv_tnt
> >
> > I modprobed with and without em28xx device_mode=17.
> >
> > Scanning in kaffeine starts, but after a while (around 30%) the system
> > locks up and the kernel crashes. I use opensuse kernel
> > 2.6.22.13-0.3-default.
> >
> > I tried different Firmware, e.g. from here
> > http://www.techjp.net/UserFile/File/articles/OpenSuse103/firmware.tgz.
> >
> > Any idea what could go wrong or how I could provide more info e.g. kernel
> > stack trace?
> >
> > Chris
> >
> > -------------------------
> >
> > Linux video capture interface: v2.00
> > em28xx v4l2 driver version 0.0.1 loaded
> > em28xx new video device (0ccd:005e): interface 0, class 255
> > em28xx: device is attached to a USB 2.0 bus
> > em28xx: you're using the experimental/unstable tree from mcentral.de
> > em28xx: there's also a stable tree available but which is limited to
> > em28xx: linux <=2.6.19.2
> > em28xx: it's fine to use this driver but keep in mind that it will move
> > em28xx: to http://mcentral.de/hg/~mrec/v4l-dvb-kernel as soon as it's
> > em28xx: proved to be stable
> > em28xx #0: Alternate settings: 8
> > em28xx #0: Alternate setting 0, max size= 0
> > em28xx #0: Alternate setting 1, max size= 0
> > em28xx #0: Alternate setting 2, max size= 1448
> > em28xx #0: Alternate setting 3, max size= 2048
> > em28xx #0: Alternate setting 4, max size= 2304
> > em28xx #0: Alternate setting 5, max size= 2580
> > em28xx #0: Alternate setting 6, max size= 2892
> > em28xx #0: Alternate setting 7, max size= 3072
> > input: em2880/em2870 remote control as /class/input/input7
> > em28xx-input.c: remote control handler attached
> > attach_inform: eeprom detected.
> > em28xx #0: i2c eeprom 00: 1a eb 67 95 cd 0c 5e 00 d0 12 5c 03 9e 40 de 1c
> > em28xx #0: i2c eeprom 10: 6a 34 27 57 46 07 01 00 00 00 00 00 00 00 00 00
> > em28xx #0: i2c eeprom 20: 46 00 01 00 f0 10 31 00 b8 00 14 00 5b 1e 00 00
> > em28xx #0: i2c eeprom 30: 00 00 20 40 20 6e 02 20 10 01 00 00 00 00 00 00
> > em28xx #0: i2c eeprom 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > em28xx #0: i2c eeprom 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > em28xx #0: i2c eeprom 60: 00 00 00 00 00 00 00 00 00 00 34 03 54 00 65 00
> > em28xx #0: i2c eeprom 70: 72 00 72 00 61 00 54 00 65 00 63 00 20 00 45 00
> > em28xx #0: i2c eeprom 80: 6c 00 65 00 63 00 74 00 72 00 6f 00 6e 00 69 00
> > em28xx #0: i2c eeprom 90: 63 00 20 00 47 00 6d 00 62 00 48 00 00 00 40 03
> > em28xx #0: i2c eeprom a0: 43 00 69 00 6e 00 65 00 72 00 67 00 79 00 20 00
> > em28xx #0: i2c eeprom b0: 48 00 79 00 62 00 72 00 69 00 64 00 20 00 54 00
> > em28xx #0: i2c eeprom c0: 20 00 55 00 53 00 42 00 20 00 58 00 53 00 20 00
> > em28xx #0: i2c eeprom d0: 28 00 32 00 38 00 38 00 32 00 29 00 00 00 1c 03
> > em28xx #0: i2c eeprom e0: 30 00 37 00 30 00 38 00 30 00 32 00 30 00 30 00
> > em28xx #0: i2c eeprom f0: 33 00 38 00 34 00 33 00 00 00 00 00 00 00 00 00
> > EEPROM ID= 0x9567eb1a
> > Vendor/Product ID= 0ccd:005e
> > AC97 audio (5 sample rates)
> > 500mA max power
> > Table at 0x27, strings=0x409e, 0x1cde, 0x346a
> > tuner 1-0061: chip found @ 0xc2 (em28xx #0)
> > attach inform (default): detected I2C address c2
> > /home/christian/v4l-dvb-experimental/v4l/tuner-core.c: setting tuner
> > callback tuner 0x61: Configuration acknowledged
> > /home/christian/v4l-dvb-experimental/v4l/tuner-core.c: setting tuner
> > callback /home/christian/v4l-dvb-experimental/v4l/xc3028-tuner.c: attach
> > request! /home/christian/v4l-dvb-experimental/v4l/tuner-core.c: xc3028
> > tuner successfully loaded
> > attach_inform: tvp5150 detected.
> > tvp5150 1-005c: tvp5150am1 detected.
> > Loading base firmware: xc3028_init0.i2c.fw
> > Loading default analogue TV settings: xc3028_BG_PAL_A2_A.i2c.fw
> > xc3028-tuner.c: firmware 2.7
> > ANALOG TV REQUEST
> > em28xx #0: V4L2 VBI device registered as /dev/vbi0
> > em28xx #0: V4L2 device registered as /dev/video0
> > em28xx #0: Found Terratec Hybrid XS (em2882)
> > usbcore: registered new interface driver em28xx
> > em28xx-audio.c: probing for em28x1 non standard usbaudio
> > em28xx-audio.c: Copyright (C) 2006 Markus Rechberger
> > Em28xx: Initialized (Em28xx Audio Extension) extension
> > em2880-dvb.c: DVB Init
> > Loading base firmware: xc3028_8MHz_init0.i2c.fw
> > Loading specific dtv settings: xc3028_DTV8_2633.i2c.fw
> > xc3028-tuner.c: firmware 2.7
> > Sending extra call for Digital TV!
> > /home/christian/v4l-dvb-experimental/v4l/xc3028-tuner.c: attach request!
> > DVB: registering new adapter (em2880 DVB-T)
> > DVB: registering frontend 0 (Zarlink ZL10353 DVB-T)...
> > Em28xx: Initialized (Em2880 DVB Extension) extension
> >
> > --------------------
> > lsusb -v
> >
> > Bus 003 Device 003: ID 0ccd:005e TerraTec Electronic GmbH
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass            0 (Defined at Interface level)
> >   bDeviceSubClass         0
> >   bDeviceProtocol         0
> >   bMaxPacketSize0        64
> >   idVendor           0x0ccd TerraTec Electronic GmbH
> >   idProduct          0x005e
> >   bcdDevice            1.10
> >   iManufacturer           3
> >   iProduct                1
> >   iSerial                 2
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength          305
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0x80
> >       (Bus Powered)
> >     MaxPower              500mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0000  1x 0 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0000  1x 0 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0000  1x 0 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       1
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0000  1x 0 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       2
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0ad4  2x 724 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       3
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0c00  2x 0 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       4
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x1300  3x 768 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       5
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x135c  3x 860 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       6
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x13c4  3x 964 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       7
> >       bNumEndpoints           4
> >       bInterfaceClass       255 Vendor Specific Class
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol    255
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              11
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x1400  3x 0 bytes
> >         bInterval               1
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x00c4  1x 196 bytes
> >         bInterval               4
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x84  EP 4 IN
> >         bmAttributes            1
> >           Transfer Type            Isochronous
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0234  1x 564 bytes
> >         bInterval               1
> > can't get device qualifier: Operation not permitted
> > can't get debug descriptor: Operation not permitted
> > cannot read device status, Operation not permitted (1)
>
>
>
> _______________________________________________
> Em28xx mailing list
> Em28xx at mcentral.de
> http://mcentral.de/mailman/listinfo/em28xx
>



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