I have been able to consistently crash/reproduce - see below. I am using a USB SundTek DVB-C tuner, with user space drivers. When ever I do a channel installation in MythTV, system crashes half way the channel scan.
Sep 10 21:19:56 ijntema-svr kernel: [11201.351504] ------------[ cut here ]------------ Sep 10 21:19:56 ijntema-svr kernel: [11201.351541] WARNING: at /build/linux-eKuxrT/linux-3.2.60/drivers/usb/host/xhci-ring.c:629 xhci_cleanup_stalled_ring+0x46/0x129 [xhci_hcd]() Sep 10 21:19:56 ijntema-svr kernel: [11201.351546] Hardware name: Sep 10 21:19:56 ijntema-svr kernel: [11201.351549] Modules linked in: tcp_diag inet_diag kvm_intel kvm xt_CHECKSUM iptable_mangle bridge stp fuse sha256_generic dm_crypt ebtable_nat ebtables videodev v4l2_compat_ioctl32 media xt_limit ipt_MASQUERADE iptable_nat nf_nat tun xt_recent xt_multiport nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT xt_tcpudp parport_pc ppdev nf_conntrack_ipv4 nf_defrag_ipv4 lp xt_state nf_conntrack parport ip6table_filter ip6_tables iptable_filter ip_tables x_tables joydev usbhid hid binfmt_misc nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc loop snd_hda_codec_realtek uinput usb_storage snd_hda_intel snd_hda_codec coretemp snd_hwdep snd_pcm crc32c_intel psmouse snd_page_alloc sg snd_seq snd_seq_device ghash_clmulni_intel snd_timer aesni_intel e1000e xhci_hcd i2c_i801 snd aes_x86_64 i2c_core usbcore acpi_cpufreq aes_generic soundcore serio_raw cryptd pcspkr mperf evdev iTCO_wdt usb_common iTCO_vendor_support button video processor ext4 crc16 mbcache jbd2 dm_mod microcode sd_mod crc_t10dif the Sep 10 21:19:56 ijntema-svr kernel: rmal fan thermal_sys ahci libahci libata scsi_mod Sep 10 21:19:56 ijntema-svr kernel: [11201.351681] Pid: 3202, comm: mediasrv Not tainted 3.2.0-4-amd64 #1 Debian 3.2.60-1+deb7u3 Sep 10 21:19:56 ijntema-svr kernel: [11201.351685] Call Trace: Sep 10 21:19:56 ijntema-svr kernel: [11201.351699] [<ffffffff81046cd9>] ? warn_slowpath_common+0x78/0x8c Sep 10 21:19:56 ijntema-svr kernel: [11201.351715] [<ffffffffa025693c>] ? xhci_cleanup_stalled_ring+0x46/0x129 [xhci_hcd] Sep 10 21:19:56 ijntema-svr kernel: [11201.351730] [<ffffffffa0256aba>] ? xhci_endpoint_reset+0x9b/0x107 [xhci_hcd] Sep 10 21:19:56 ijntema-svr kernel: [11201.351752] [<ffffffffa01fba40>] ? usb_enable_endpoint+0x39/0x72 [usbcore] Sep 10 21:19:56 ijntema-svr kernel: [11201.351772] [<ffffffffa01fbaa8>] ? usb_enable_interface+0x2f/0x3f [usbcore] Sep 10 21:19:56 ijntema-svr kernel: [11201.351790] [<ffffffffa01fbe7d>] ? usb_set_interface+0x1da/0x205 [usbcore] Sep 10 21:19:56 ijntema-svr kernel: [11201.351798] [<ffffffff81036628>] ? should_resched+0x5/0x23 Sep 10 21:19:56 ijntema-svr kernel: [11201.351816] [<ffffffffa02029ab>] ? usbdev_do_ioctl+0x4b5/0xdec [usbcore] Sep 10 21:19:56 ijntema-svr kernel: [11201.351835] [<ffffffffa02032f4>] ? usbdev_ioctl+0x6/0xa [usbcore] Sep 10 21:19:56 ijntema-svr kernel: [11201.351845] [<ffffffff811081f1>] ? do_vfs_ioctl+0x459/0x49a Sep 10 21:19:56 ijntema-svr kernel: [11201.351853] [<ffffffff8110827d>] ? sys_ioctl+0x4b/0x72 Sep 10 21:19:56 ijntema-svr kernel: [11201.351862] [<ffffffff81355452>] ? system_call_fastpath+0x16/0x1b Sep 10 21:19:56 ijntema-svr kernel: [11201.351866] ---[ end trace ab87e453e88fd76c ]--- Sep 10 21:19:56 ijntema-svr kernel: [11201.351871] xhci_hcd 0000:00:14.0: WARN Cannot submit Set TR Deq Ptr Sep 10 21:19:56 ijntema-svr kernel: [11201.351877] xhci_hcd 0000:00:14.0: WARN deq seg = (null), deq pt = ffff88007d618000 On Tue, Jul 15, 2014 at 10:39 AM, Debian Bug Tracking System < ow...@bugs.debian.org> wrote: > Thank you for filing a new Bug report with Debian. > > This is an automatically generated reply to let you know your message > has been received. > > Your message is being forwarded to the package maintainers and other > interested parties for their attention; they will reply in due course. > > Your message has been sent to the package maintainer(s): > Debian Kernel Team <debian-ker...@lists.debian.org> > > If you wish to submit further information on this problem, please > send it to 754...@bugs.debian.org. > > Please do not send mail to ow...@bugs.debian.org unless you wish > to report a problem with the Bug-tracking system. > > -- > 754857: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=754857 > Debian Bug Tracking System > Contact ow...@bugs.debian.org with problems >
