Please see following link:
https://bugzilla.kernel.org/show_bug.cgi?id=75521
It's a Linux USB stack kernel bug related with xhci and currently in
progress, it has nothing to do with the userspace drivers those
drivers even make it easier to debug.
On Wed, Sep 10, 2014 at 9:50 PM, Hans han...@gmail.com wrote:
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] [81046cd9] ?
warn_slowpath_common+0x78/0x8c
Sep 10 21:19:56 ijntema-svr kernel: [11201.351715] [a025693c] ?
xhci_cleanup_stalled_ring+0x46/0x129 [xhci_hcd]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351730] [a0256aba] ?
xhci_endpoint_reset+0x9b/0x107 [xhci_hcd]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351752] [a01fba40] ?
usb_enable_endpoint+0x39/0x72 [usbcore]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351772] [a01fbaa8] ?
usb_enable_interface+0x2f/0x3f [usbcore]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351790] [a01fbe7d] ?
usb_set_interface+0x1da/0x205 [usbcore]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351798] [81036628] ?
should_resched+0x5/0x23
Sep 10 21:19:56 ijntema-svr kernel: [11201.351816] [a02029ab] ?
usbdev_do_ioctl+0x4b5/0xdec [usbcore]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351835] [a02032f4] ?
usbdev_ioctl+0x6/0xa [usbcore]
Sep 10 21:19:56 ijntema-svr kernel: [11201.351845] [811081f1] ?
do_vfs_ioctl+0x459/0x49a
Sep 10 21:19:56 ijntema-svr kernel: [11201.351853] [8110827d] ?
sys_ioctl+0x4b/0x72
Sep 10 21:19:56 ijntema-svr kernel: [11201.351862] [81355452] ?
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 :00:14.0:
WARN Cannot submit Set TR Deq Ptr
Sep 10 21:19:56 ijntema-svr kernel: [11201.351877] xhci_hcd :00:14.0:
WARN deq seg = (null), deq pt = 88007d618000
On Tue, Jul 15, 2014 at 10:39 AM, Debian Bug Tracking System
ow...@bugs.debian.org wrote:
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