From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philip Balister Subject: Kernel oops when shutting down program using usb device Date: Wed, 16 Jul 2008 17:26:13 -0400 Message-ID: <487E6775.7070804@balister.org> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms010507070503040708040304" Return-path: Received: from mail.geekisp.com ([216.168.135.169]:19317 "EHLO starfish.geekisp.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753492AbYGPV0S (ORCPT ); Wed, 16 Jul 2008 17:26:18 -0400 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-usb@vger.kernel.org Cc: linux-omap@vger.kernel.org This is a cryptographically signed message in MIME format. --------------ms010507070503040708040304 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit The program streams data from the USRP (Universal Software Radio Peripheral) and calculates a transfer rate. It looks like the test completes and the program ooops as it is exiting. Let me know if I can collect anything else. I am not much of a usb guy :( Philip root@beagleboard:~/gnuradio-3.1.2/usrp/host/apps# ./test_usrp_standard_rx -D 200rx_overrun eth0: set allmulti eth0: set allmulti eth0: set allmulti eth0: set allmulti xfered 1.34e+08 bytes in 116 seconds. 1.159e+06 bytes/sec. cpu time = 1.633 noverruns = 1 ------------[ cut here ]------------ WARNING: at lib/kref.c:43 kref_get+0x28/0x44() Modules linked in: ipv6 pegasus [] (dump_stack+0x0/0x14) from [] (warn_on_slowpath+0x4c/0x68) [] (warn_on_slowpath+0x0/0x68) from [] (kref_get+0x28/0x44) r6:c7cbd1c0 r5:c700a880 r4:c700a880 [] (kref_get+0x0/0x44) from [] (usb_get_urb+0x18/0x20) r5:c700a880 r4:c700a880 [] (usb_get_urb+0x0/0x20) from [] (usb_hcd_flush_endpoint+0xa0/0xcc) r5:c700a880 r4:c7cbd1b8 [] (usb_hcd_flush_endpoint+0x0/0xcc) from [] (usb_disable_endpoint+0x5c/0x6c) r7:c7c9e000 r6:c7cbd548 r5:c7c9e000 r4:c7cbd1c0 [] (usb_disable_endpoint+0x0/0x6c) from [] (usb_disable_interface+0x34/0x4c) r5:00000028 r4:00000001 [] (usb_disable_interface+0x0/0x4c) from [] (usb_unbind_interface+0x44/0xa0) r7:00000000 r6:c041a884 r5:c7fc6200 r4:c7fc6220 [] (usb_unbind_interface+0x0/0xa0) from [] (__device_release_driver+0x78/0x98) r9:c718c000 r8:c7c9e108 r7:00000001 r6:c7fc6200 r5:c041a884 r4:c7fc6220 [] (__device_release_driver+0x0/0x98) from [] (device_release_driver+0x24/0x30) r5:c7fc62c8 r4:c7fc6220 [] (device_release_driver+0x0/0x30) from [] (usb_driver_release_interface+0x54/0x90) r5:c7c9e060 r4:c7f91180 [] (usb_driver_release_interface+0x0/0x90) from [] (releaseintf+0x58/0x64) r7:00000001 r6:c7fc6200 r5:00000002 r4:c7f91180 [] (releaseintf+0x0/0x64) from [] (usbdev_release+0x80/0xec) r7:00000001 r6:c7c9e000 r5:00000002 r4:c7f91180 [] (usbdev_release+0x0/0xec) from [] (__fput+0xb8/0x170) r9:c718c000 r8:c78ec080 r7:00000006 r6:c700ab80 r5:c707d3d0 r4:00000008 [] (__fput+0x0/0x170) from [] (fput+0x30/0x34) [] (fput+0x0/0x34) from [] (filp_close+0x74/0x80) [] (filp_close+0x0/0x80) from [] (sys_close+0x84/0xb8) r7:00000006 r6:00000000 r5:c700ab80 r4:c7fefb40 [] (sys_close+0x0/0xb8) from [] (ret_fast_syscall+0x0/0x2c) r5:40050250 r4:00012668 ---[ end trace fa9f194ff0bebebb ]--- --------------ms010507070503040708040304 Content-Type: application/x-pkcs7-signature; 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