segfault at usbmuxd startup

The formatting was ugly, so here is the relevant debug output again:

[22:20:32.425][3] usbmuxd v1.0.0 starting up
[22:20:32.426][4] Creating socket
[22:20:32.426][5] client_init
[22:20:32.426][5] device_init
[22:20:32.426][4] Initializing USB
[22:20:32.426][5] usb_init for linux / libusb 1.0
[22:20:32.430][4] Found new device with v/p 05ac:1292 at 2-6
[22:20:32.431][4] Using wMaxPacketSize=512 for device 2-6
[22:20:32.431][3] Connecting to new device on location 0x20006 as ID 1
[22:20:32.431][1] Failed to submit TX transfer 0x1e12f70 len 20 to device 2-6: -1
[22:20:32.431][1] usb_send failed while sending packet (len 20) to device 1: -1
[22:20:32.431][1] Error sending version request packet to device 1

[22:20:32.432][5] usb_disconnect: cancelling RX xfer
zsh: segmentation fault  usbmuxd -v -v -f

Please verify with usbmuxd 1.0.4 which fixes a few issues. If it's still an issue please reopen. Thanks.

Can you verify on 1.0.4 using "sudo usmbuxd -vvv -f" and perhaps even increase verbosity to get more information after the "Connecting to new device on location ..." line?

Also what does the syslog contain at the time of startup?

Did you compile yourself or use some packages (in that case please post from where)?

Which device model and firmware version?

Did you try a different USB hub/port?

I'm getting what looks like the same error:

[15:41:59.127][3] usbmuxd v1.0.4 starting up [15:41:59.127][4] Creating socket [15:41:59.127][5] client_init [15:41:59.127][5] device_init [15:41:59.127][4] Initializing USB [15:41:59.128][5] usb_init for linux / libusb 1.0 [15:41:59.130][6] usb_discover: scanning 9 devices [15:41:59.130][4] Found new device with v/p 05ac:1290 at 1-10 [15:41:59.132][4] Using wMaxPacketSize=512 for device 1-10 [15:41:59.132][3] Connecting to new device on location 0x1000a as ID 1 [15:41:59.132][6] send_packet(1, 0x0, 0xbfdf9b84, (nil), 0) [15:41:59.132][1] Failed to submit TX transfer 0x87f1820 len 20 to device 1-10: -1 [15:41:59.132][1] usb_send failed while sending packet (len 20) to device 1: -1 [15:41:59.132][1] Error sending version request packet to device 1

[15:41:59.132][5] usb_disconnect: cancelling RX xfer Segmentation fault

I'm pretty sure this is a kernel/other part of system bug, because I get the same error with a ubuntu binary that works on another machine. I'm running 32-bit gentoo, 2.6.34 on an eeepc 1005ha.

This appears to be a libusb-1.0 issue: http://www.libusb.org/ticket/20

Either try with the patch attached to the ticket or lookout for updated libusb packages (1.0.8) for your distro. Also please try usbmuxd git master which has a fix for the segfault which should not happen even with this issue.

I'll keep this on hold until someone verifies that the patch fixes this issue (resolved) or reopens due to still seeing that bug with the patch applied (open).

Thanks for your reports. :)

Ok, thanks for testing! Marking as resolved unless someone reopens.