[asterisk-users] Problem with dahdi XPP driver?

Thu Jun 6 02:31:39 CDT 2013

Hi list,
I had a problem with the dahdi XPP driver.
After this error in syslog, the Xorcom disconnect from the server:

Jun  3 15:03:29  kernel: [361010.637858] *NOTICE-xpp_usb: xusb-0
(usb-0000:00:1d.7-3) [X1047686]: Sluggish USB. Dropping next PCM frame (p**
**ending_writes=5)*
Jun  3 15:03:52  kernel: [361033.890575]* ERR-xpp: XBUS-00: Failed to send
from command_queue (ret=-19)*
Jun  3 15:03:52  kernel: [361033.894565] ------------[ cut here
]------------
Jun  3 15:03:52  kernel: [361033.894565] WARNING: at kernel/softirq.c:141
local_bh_enable+0x2f/0x6a()
Jun  3 15:03:52  kernel: [361033.894565] Hardware name:
Jun  3 15:03:52  kernel: [361033.894565] Modules linked in:
dahdi_echocan_oslec echo xpd_pri xpp_usb xpp dahdi crc_ccitt drbd cn ipv6
loop rng_core serio_raw i2c_i801 ehci_hcd uhci_hcd iTCO_wdt i2c_core usbcore
Jun  3 15:03:52  kernel: [361033.894565] Pid: 0, comm: swapper Not tainted
2.6.30.9 #3
Jun  3 15:03:52  kernel: [361033.894565] Call Trace:
Jun  3 15:03:52  kernel: [361033.894565]  [<c0117d97>] ?
warn_slowpath_common+0x5e/0x8a
Jun  3 15:03:52  kernel: [361033.894565]  [<c0117dcd>] ?
warn_slowpath_null+0xa/0xc
Jun  3 15:03:52 kernel: [361033.894565]  [<c011b82d>] ?
local_bh_enable+0x2f/0x6a
Jun  3 15:03:52  kernel: [361033.894565]  [<c0293c3f>] ? sk_filter+0x63/0x6c
Jun  3 15:03:52  kernel: [361033.894565]  [<c029d5b4>] ?
netlink_broadcast+0x1aa/0x2e7
Jun  3 15:03:52 kernel: [361033.894565]  [<c01ea9bd>] ?
kobject_uevent_env+0x295/0x340
Jun  3 15:03:52  kernel: [361033.894565]  [<f8471990>] ?
xbus_setstate+0x155/0x18d [xpp]
Jun  3 15:03:52  kernel: [361033.894565]  [<f8472b09>] ?
xbus_command_queue_tick+0x15d/0x18c [xpp]
Jun  3 15:03:52  kernel: [361033.894565]  [<f8475d6b>] ?
xframe_receive_pcm+0x91/0xe28 [xpp]
Jun  3 15:03:52 kernel: [361033.894565]  [<c012b256>] ?
getnstimeofday+0x4d/0xca
Jun  3 15:03:52  kernel: [361033.894565]  [<c012b256>] ?
getnstimeofday+0x4d/0xca
Jun  3 15:03:52  kernel: [361033.894565]  [<f847a002>] ?
xframe_receive+0x118/0x52c [xpp]
Jun  3 15:03:52  kernel: [361033.894565]  [<c012b2e2>] ?
do_gettimeofday+0xf/0x29
Jun  3 15:03:52  kernel: [361033.894565]  [<f84c50ee>] ?
xpp_receive_callback+0x117/0x13e [xpp_usb]
Jun  3 15:03:52  kernel: [361033.894565]  [<f8065c63>] ?
usb_hcd_giveback_urb+0x60/0x8e [usbcore]
Jun  3 15:03:52  kernel: [361033.894565]  [<f80f867c>] ?
qh_completions+0x91/0x3e9 [ehci_hcd]
Jun  3 15:03:52  kernel: [361033.894565]  [<f80fa942>] ?
ehci_work+0x93/0x780 [ehci_hcd]
Jun  3 15:03:52  kernel: [361033.894565]  [<c01281cd>] ?
ktime_get_ts+0x1d/0x3f
Jun  3 15:03:52  kernel: [361033.894565]  [<c01281fc>] ? ktime_get+0xd/0x2d
Jun  3 15:03:52  kernel: [361033.894565]  [<c012b256>] ?
getnstimeofday+0x4d/0xca
Jun  3 15:03:52  kernel: [361033.894565]  [<f80fbd1c>] ?
ehci_irq+0x147/0x197 [ehci_hcd]
Jun  3 15:03:52  kernel: [361033.894565]  [<c01281fc>] ? ktime_get+0xd/0x2d
Jun  3 15:03:52  kernel: [361033.894565]  [<f8065aad>] ?
usb_hcd_irq+0x24/0x58 [usbcore]
Jun  3 15:03:52  kernel: [361033.894565]  [<c0142365>] ?
handle_IRQ_event+0x49/0xf8
Jun  3 15:03:52  kernel: [361033.894565]  [<c0143336>] ?
handle_level_irq+0x50/0x85
Jun  3 15:03:52 kernel: [361033.894565]  [<c0103e0f>] ? handle_irq+0x17/0x1c
Jun  3 15:03:52  kernel: [361033.894565]  [<c0103bc8>] ? do_IRQ+0x2b/0x63
Jun  3 15:03:52  kernel: [361033.894565]  [<c0102da9>] ?
common_interrupt+0x29/0x30
Jun  3 15:03:52  kernel: [361033.894565]  [<c014007b>] ?
audit_log_exit+0xb78/0xc8b
Jun  3 15:03:52  kernel: [361033.894565]  [<c0106f93>] ?
mwait_idle+0x75/0xa0
Jun  3 15:03:52  kernel: [361033.894565]  [<c0101afc>] ? cpu_idle+0x23/0x3f
Jun  3 15:03:52  kernel: [361033.894565]  [<c03c88d7>] ?
start_kernel+0x262/0x265
Jun  3 15:03:52 kernel: [361033.894565] ---[ end trace 9422ad58c50dc1ad ]---
Jun  3 15:03:54  kernel: [361036.107365]* usb 5-3: USB disconnect, address 2
*
Jun  3 15:03:54  kernel: [361036.112475] ERR-xpp_usb: xusb-0
(usb-0000:00:1d.7-3) [X1047686]: nonzero write bulk status received: -108
(pending_writes=101)

So the customer was* *unable to call* *** PSTN numbers.

Some info about the server:

   - uname -a

      Linux 2.6.30.9 #3 Tue Apr 20 10:55:28 CEST 2010 i686 GNU/Linux

   - Debian 5.0

   -  modinfo dahdi

filename:       /lib/modules/2.6.30.9/dahdi/dahdi.ko
alias:          dahdi_dummy
license:        GPL v2
description:    DAHDI Telephony Interface
author:         Mark Spencer <markster at digium.com> <markster at digium.com>
version:        2.6.1
srcversion:     0AFDAE1CD29137EA0FA18FB
depends:        crc-ccitt
vermagic:       2.6.30.9 mod_unload modversions PENTIUM4
parm:           initdir:charp
parm:           debug:Sets debugging verbosity as a bitfield, to see
general debugging set this to 1. To see RBS debugging set this to 32 (int)
parm:           deftaps:int
parm:           max_pseudo_channels:Maximum number of pseudo channels. (int)
parm:           hwec_overrides_swec:When true, a hardware echo canceller is
used instead of configured SWEC. (int)
parm:           auto_assign_spans:If 1 spans will automatically have their
children span and channel numbers assigned by the driver. If 0, user space
will need to assign them via /sys/bus/dahdi_devices. (int)

What can be the problem?

Thanks,
Matteo
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