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digistump / DigistumpArduino

Files to add Digistump support (Digispark, Pro, DigiX) to Arduino 1.6.X (1.6.5+)
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DigisparkCDC: Error "BOGUS urb xfer, pipe 3 != type 1" on Linux #16

Open probonopd opened 8 years ago

probonopd commented 8 years ago

Not sure where the DigisparkCDC project "lives", so posting this here.

I keep getting (lots of) "BOGUS urb xfer, pipe 3 != type 1" in dmesg on Linux. When running the DigisparkCDC > Print sketch, then the characters on the pseudo-serial console are often garbled, the output looks like

TEST!
TEST!
TT
!T!

TTEST!
TEST!
TEST!
TESTS
S
S!
TEST!
TT

S!TET
!TEST!
TEST!
T
STT
!SS

Possibly this is caused by something crashing the kernel module?

me@host:~$ uname -a

Linux host 4.2.0-16-generic #19-Ubuntu SMP Thu Oct 8 15:35:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

me@host:~$ cat /etc/*release

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.10
DISTRIB_CODENAME=wily
DISTRIB_DESCRIPTION="Ubuntu 15.10"
NAME="Ubuntu"
VERSION="15.10 (Wily Werewolf)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 15.10"
VERSION_ID="15.10"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

me@host:~$ dmesg

[  +0.001853] ------------[ cut here ]------------
[  +0.000005] WARNING: CPU: 0 PID: 0 at /build/linux-AxjFAn/linux-4.2.0/drivers/usb/core/urb.c:450 usb_submit_urb.part.6+0x142/0x550()
[  +0.000002] usb 10-1: BOGUS urb xfer, pipe 3 != type 1
[  +0.000001] Modules linked in: cdc_acm dell_wmi sparse_keymap gpio_ich video dcdbas snd_hda_codec_analog snd_hda_codec_generic coretemp kvm_intel snd_hda_codec_hdmi snd_hda_intel kvm snd_hda_codec snd_usb_audio serio_raw snd_hda_core snd_usbmidi_lib snd_hwdep cm109 snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi input_leds snd_seq usblp snd_seq_device snd_timer lpc_ich snd mei_me mei 8250_fintek soundcore shpchp mac_hid parport_pc ppdev lp parport autofs4 hid_apple squashfs overlay nls_utf8 isofs nls_iso8859_1 jfs xfs libcrc32c reiserfs dm_mirror dm_region_hash dm_log uas usb_storage hid_generic usbhid hid amdkfd amd_iommu_v2 radeon firewire_ohci psmouse i2c_algo_bit ttm firewire_core drm_kms_helper crc_itu_t ahci libahci wmi e1000e ptp drm pps_core pata_acpi [last unloaded: hid_apple]
[  +0.000042] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W       4.2.0-16-generic #19-Ubuntu
[  +0.000001] Hardware name: Dell Inc. OptiPlex 780                 /0C27VV, BIOS A15 08/06/2013
[  +0.000003]  0000000000000000 c856fe507f31ed24 ffff8802b7c03b38 ffffffff817e8c09
[  +0.000002]  0000000000000000 ffff8802b7c03b90 ffff8802b7c03b78 ffffffff8107b3c6
[  +0.000003]  0000000000000000 ffff88027e2f8300 0000000000000003 ffff880293890000
[  +0.000002] Call Trace:
[  +0.000001]  <IRQ>  [<ffffffff817e8c09>] dump_stack+0x45/0x57
[  +0.000005]  [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
[  +0.000003]  [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
[  +0.000002]  [<ffffffff815df312>] usb_submit_urb.part.6+0x142/0x550
[  +0.000002]  [<ffffffff815df782>] usb_submit_urb+0x62/0x70
[  +0.000004]  [<ffffffffc054420b>] acm_submit_read_urb+0x3b/0x80 [cdc_acm]
[  +0.000003]  [<ffffffffc0544e39>] acm_read_bulk_callback+0xd9/0x170 [cdc_acm]
[  +0.000002]  [<ffffffff815dbf75>] __usb_hcd_giveback_urb+0x85/0x130
[  +0.000002]  [<ffffffff815dc05d>] usb_hcd_giveback_urb+0x3d/0xf0
[  +0.000002]  [<ffffffff81614771>] uhci_giveback_urb+0xb1/0x290
[  +0.000003]  [<ffffffff811cc6cf>] ? dma_pool_free+0x9f/0xc0
[  +0.000002]  [<ffffffff81616537>] uhci_scan_schedule.part.31+0x4b7/0xbd0
[  +0.000003]  [<ffffffff81616ffe>] uhci_irq+0xde/0x190
[  +0.000002]  [<ffffffff815db636>] usb_hcd_irq+0x26/0x40
[  +0.000002]  [<ffffffff810d41d4>] handle_irq_event_percpu+0x74/0x180
[  +0.000002]  [<ffffffff810d4329>] handle_irq_event+0x49/0x70
[  +0.000002]  [<ffffffff810d737a>] handle_fasteoi_irq+0x9a/0x150
[  +0.000002]  [<ffffffff81017295>] handle_irq+0x25/0x40
[  +0.000003]  [<ffffffff817f25ef>] do_IRQ+0x4f/0xe0
[  +0.000002]  [<ffffffff817f056b>] common_interrupt+0x6b/0x6b
[  +0.000001]  <EOI>  [<ffffffff8101f3ac>] ? mwait_idle+0x8c/0x140
[  +0.000005]  [<ffffffff8101f94f>] arch_cpu_idle+0xf/0x20
[  +0.000002]  [<ffffffff810bd3ea>] default_idle_call+0x2a/0x40
[  +0.000002]  [<ffffffff810bd729>] cpu_startup_entry+0x2c9/0x320
[  +0.000003]  [<ffffffff817dd16c>] rest_init+0x7c/0x80
[  +0.000004]  [<ffffffff81d50025>] start_kernel+0x48b/0x4ac
[  +0.000002]  [<ffffffff81d4f120>] ? early_idt_handler_array+0x120/0x120
[  +0.000002]  [<ffffffff81d4f339>] x86_64_start_reservations+0x2a/0x2c
[  +0.000002]  [<ffffffff81d4f485>] x86_64_start_kernel+0x14a/0x16d
[  +0.000002] ---[ end trace 7d80c581b767159f ]---

me@host:~$ sudo lsusb -v -s10:6

Bus 010 Device 006: ID 16d0:087e MCS 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            2 Communications
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x16d0 MCS
  idProduct          0x087e 
  bcdDevice            1.00
  iManufacturer           1 digistump.com
  iProduct                2 Digispark Serial
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           67
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         2 Communications
      bInterfaceSubClass      2 Abstract (modem)
      bInterfaceProtocol      1 AT-commands (v.25ter)
      iInterface              0 
      CDC Header:
        bcdCDC               1.10
      CDC ACM:
        bmCapabilities       0x02
          line coding and serial state
      CDC Union:
        bMasterInterface        0
        bSlaveInterface         1 
      CDC Call Management:
        bmCapabilities       0x03
          call management
          use DataInterface
        bDataInterface          1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval             255
    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     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)
jayeye commented 8 years ago

I'm having the same problem.

quigleymd commented 8 years ago

I've got the same problem on Fedora 23, any luck resolving this?

uname -a Linux mythbox.localdomain 4.2.3-300.fc23.x86_64 #1 SMP Mon Oct 5 15:42:54 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

vshymanskyy commented 8 years ago

+1, same issue

paulfantom commented 8 years ago

+1, Same thing on openSUSE Leap 42.1

uname -a Linux chameleon 4.1.21-14-default #1 SMP PREEMPT Sun Apr 17 07:27:45 UTC 2016 (fc187c1) x86_64 x86_64 x86_64 GNU/Linux

ghost commented 8 years ago

+1 uname -a Linux desktop 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64 GNU/Linux

probonopd commented 8 years ago

Maybe someone can use this technique to debug this: https://m.youtube.com/watch?v=-NxoNdTj_7U

paulfantom commented 8 years ago

I think I found what is an issue here. DigisparkCDC is using three endpoints and bulk transfer on low-speed device, which violates USB protocol (via http://www.recursion.jp/prose/avrcdc/).

probonopd commented 8 years ago

Thanks @paulfantom can you propose a fix?

paulfantom commented 8 years ago

I was searching for a fix, but I came with nothing. Also programming USB shenanigans is way out of my knowledge.

harvald commented 8 years ago

I think i found solution.

DigiCDC is configured to create 1 interrupt endpoint, and 2 bulk endpoints. Bulk endpoints are forbidden for low speed usb (1,5Mbit/s). So this is a bug. Until now Linux kernel was forgiving, because some older hardware had the same bug in theirs firmware.

It seems it's enough to change two exact same lines in DigiCDC.cpp. from 0x02, /* attrib: Bulk endpoint */ to 0x03, /* attrib: Interrupt endpoint */

I don't know if this change is sufficient for full compliance with USB standard, but i have no more errors in linux logs :) Unfortunately there is possibility, that windows drivers should be also altered. I didn't tested that yet.

Also interesting informations are here: http://www.recursion.jp/prose/avrcdc/driver.html

probonopd commented 8 years ago

Where do I find DigiCDC.cpp? I can't find it using the search for this repo.

harvald commented 8 years ago

DigiCDC.cpp is part of DigiCDC library and it is installed somewhere in Arduino's directories. On windows xp i have it in: C:\Documents and Settings\My user\Local settings\appdata\Arduino15\packages\digistump\hardware\avr\1.6.7\libraries\DigisparkCDC\

probonopd commented 8 years ago

On which system is this working for you? On Ubuntu 16.04 I get immediate kernel module crashes in dmesg when I plug the device in and it loads the user program.

harvald commented 8 years ago

Ok, you're right. After longer period of testing i see, that this changes in the code aren't sufficient.

Update: I'll give up. I see no way to run CDC on two endpoints and without that there is no way to make it compatible with usb standards :/ So if you have older hardware you have to use old kernel. If you can modify firmware of device then better option is to write it with usb-hid class (so still based on V-usb).

I've successfully tested this on windows: https://learn.adafruit.com/trinket-fake-usb-serial/overview

Skeen commented 8 years ago

+1

probonopd commented 8 years ago

@cnlohr to the rescue ;-)

cnlohr commented 8 years ago

What? Not sure what I'm supposed to be doing here :-p

AFAIK you aren't "allowed" to do a CDC device over low speed.