On Thu, 2014-04-17 at 06:03 -0400, Chris Florian wrote: > Any update on this?
Sadly, no. Between tax season requirements for my business, new employees, customer proposals and deadlines, and my wife and kids; I have had no time to fix this for months. :( My prospects for free time in the coming months look bleak as well. I can easily sign off on a proper patch submitted to [email protected] ; if anyone is so inclined. Regards, Andy > On 01/11/2014 09:22 AM, Andy Walls wrote: > > > On Fri, 2014-01-10 at 10:55 -0600, Scott Robinson wrote: > > > I did the bisect. My results are as follows: > > Hi Scott, > > > > Thank you! for doing a bisection. It is a non-trivial investment in > > time. > > > > Ondrej and Mike, > > > > The change Scott isolated below breaks cx18 driver use of the TDA8290. > > See the Ooops in the email chain below. > > > > For how the cx18 driver initializes analog tuners, see the following: > > > > cx18-driver.c:cx18_probe() (search for 'struct tuner_setup') > > cx18-i2c.c:cx18_i2c_register() > > > > Do you have any recommendations on how to fix the Oops by the tda8290 > > driver? > > > > Regards, > > Andy > > > > > cdcd141c95f0c2b88e0b0869028c320cd031a23b is the first bad commit > > > commit cdcd141c95f0c2b88e0b0869028c320cd031a23b > > > Author: Ondrej Zary <[email protected]> > > > Date: Sat Apr 6 14:21:36 2013 -0300 > > > > > > [media] tuner-core: Change config from unsigned int to void * > > > > > > config looks like a hack that was added to tuner-core to allow some > > > configuration of TDA8290 tuner (it's not used by any other driver). > > > But with the new configuration options of tda8290 driver (no_i2c_gate > > > and std_map), it's no longer sufficient. > > > Change config to be void * instead, which allows passing > > > tuner-dependent > > > config struct to drivers. > > > Also update saa7134 driver to reflect this change (no other driver > > > uses this). > > > > > > Signed-off-by: Ondrej Zary <[email protected]> > > > Signed-off-by: Michael Krufky <[email protected]> > > > Signed-off-by: Mauro Carvalho Chehab <[email protected]> > > > > > > :040000 040000 f2492f3c86adf77f671bcda6bd9fcc3541b69e48 > > > 9e42c49fecb111f2f6aec6102bed1e29194a2fd5 M drivers > > > :040000 040000 23c5843c6a01e8b8a69bd2237a2d2f1e5aa7a154 > > > d7937ce34beccf87efcffb742504a1c545e6a9eb M include > > > > > > Regards, > > > Scott > > > > > > > > > On Sat, Dec 28, 2013 at 9:54 AM, Andy Walls <[email protected]> > > > wrote: > > > > On Thu, 2013-12-26 at 06:57 -0600, Scott Robinson wrote: > > > > > The machine with which I encountered this problem has two HVR-1600 > > > > > cards. I moved one card to another machine. The card still fails at > > > > > the same point. I ran memtest, which passed. The machine has about 3GB > > > > > memory free. I loaded other versions of the kernel. Up to and > > > > > including 3.9.11-200.fc18 work. Starting at 3.10.4-100.fc18 fail. I > > > > > tried a Ubuntu 13.10 (kernel-3.11.0-12-generic) livecd; the machine > > > > > failed at the same point. > > > > OK. I'll have to find some time to bisect this problem with my own > > > > setup at home. Having known good and bad versions helps bound where the > > > > problem could be, thanks. > > > > > > > > I'm very busy at work until about mid-January, so don't expect much > > > > until then. Bisection iterations take me about 2 hours each, IIRC. > > > > > > > > $ git bisect start v3.10 v3.9 > > > > > > > > tells me I have 14 steps, so 28 hours, or 3.5 full work days. > > > > > > > > > > > > > I am wondering what changed, starting with the 3.10 series, that may > > > > > cause this problem. > > > > A change to the tuner driver in question; not likely the cx18 driver > > > > itself. > > > > > > > > I'll wildly speculate that it might be a driver problem with attempting > > > > to use too much memory from the kernel stack. > > > > > > > > It doesn't matter. The Oops is close to useless in finding the cause. > > > > It'll have to be bisected. > > > > > > > > > I also wonder why I haven't seen this problem > > > > > reported before. > > > > Both Conventional (legacy) PCI and Analog TV are about dead; that > > > > probably means a small user base. > > > > > > > > > > > > > I looked at modinfo. That's above my skill level. I use the cards to > > > > > record using the analog cable input, the mpeg encoder. What options > > > > > could I use to inhibit everything else? > > > > > > > > > > I would appreciate any advise as to what else I may check to isolate > > > > > this problem. > > > > I'll say not much at this point; unless you want to start bisecting > > > > kernel source code revisions and compiling, installing, and tetsing > > > > custom kernels. > > > > > > > > Regards, > > > > Andy > > > > > > > > > Thanks, > > > > > Scott > > > > > > > > > > > > > > > On Thu, Dec 19, 2013 at 7:11 PM, Andy Walls <[email protected]> > > > > > wrote: > > > > > > On Thu, 2013-12-19 at 07:00 -0600, Scott Robinson wrote: > > > > > > > Please see attachment. Many thanks for your response. > > > > > > > On Wed, Dec 18, 2013 at 7:40 PM, Andy Walls > > > > > > > <[email protected]> wrote: > > > > > > > > On Wed, 2013-12-18 at 13:06 -0600, Scott Robinson wrote: > > > > > > > > > I am running Fedora 18, x86_64, and recently updated the > > > > > > > > > kernel to > > > > > > > > > 3.11.10-100.fc18 from 3.6.10-4.fc18. > > > > > > > > > > > > > > > > > > When I try to install the cx18 module, the kernel crashes > > > > > > > > > with the following: > > > > > > > > Can you provide the output of > > > > > > > > > > > > > > > > $ objdump -d -l -F > > > > > > > > /lib/modules/3.11.10-100.fc18.x86_64/kernel/drivers/media/common/tuners/tda8290.ko > > > > > > > > > > > > > > > > for the first few screenfuls of the tda829x_attach function? > > > > > > > > > > > > > > > > I can match that up with the kernel v3.10 source code and see > > > > > > > > what > > > > > > > > pointer is NULL. > > > > > > > > > [ 495.361662] netconsole: network logging started > > > > > > > > > [ 558.481787] media: Linux media interface: v0.10 > > > > > > > > > [ 558.502941] Linux video capture interface: v2.00 > > > > > > > > > [ 558.617145] cx18: Start initialization, version 1.5.1 > > > > > > > > > [ 558.617237] cx18-0: Initializing card 0 > > > > > > > > > [ 558.725076] cx18-0: info: activating i2c... > > > > > > > > > [ 558.725084] cx18-0: i2c: i2c init > > > > > > > > > [ 558.858738] tveeprom 6-0050: Hauppauge model 74351, rev > > > > > > > > > F1F5, serial# 7764125 > > > > > > > > > [ 558.858766] tveeprom 6-0050: MAC address is > > > > > > > > > 00:0d:fe:76:78:9d > > > > > > > > > [ 558.858790] tveeprom 6-0050: tuner model is NXP 18271C2 > > > > > > > > > (idx 155, type 54) > > > > > > > > > [ 558.858801] tveeprom 6-0050: TV standards PAL(B/G) NTSC(M) > > > > > > > > > PAL(I) > > > > > > > > > SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc) > > > > > > > > > [ 558.858817] tveeprom 6-0050: audio processor is CX23418 > > > > > > > > > (idx 38) > > > > > > > > > [ 558.858825] tveeprom 6-0050: decoder processor is CX23418 > > > > > > > > > (idx 31) > > > > > > > > > [ 558.858839] tveeprom 6-0050: has no radio > > > > > > > > > [ 558.858847] cx18-0: Autodetected Hauppauge HVR-1600 > > > > > > > > > [ 558.858860] cx18-0: info: Worldwide tuner detected > > > > > > > > > [ 558.858882] cx18-0: info: GPIO initial dir: > > > > > > > > > 0000cffe/0000ffff out: > > > > > > > > > 00003001/00000000 > > > > > > > > > [ 558.908552] cx18-0: Simultaneous Digital and Analog TV > > > > > > > > > capture supported > > > > > > > > > [ 559.075778] tuner 7-0042: Tuner -1 found with type(s) > > > > > > > > > Radio TV. > > > > > > > > > [ 559.098598] cs5345 6-004c: chip found @ 0x98 (cx18 i2c > > > > > > > > > driver #0-0) > > > > > > > > > [ 559.105203] BUG: unable to handle kernel NULL pointer > > > > > > > > > dereference > > > > > > > > > at 0000000000000202 > > > > > > > > > [ 559.109526] IP: [<ffffffffa04facae>] > > > > > > > > > tda829x_attach+0x6e/0xba0 [tda8290] > > > > > > > > > [ 559.113832] PGD 0 > > > > > > > > > [ 559.118058] Oops: 0000 [#1] SMP > > > > > > > > > [ 559.122219] Modules linked in: cs5345 tda8290 tuner cx18(+) > > > > > > > > > videobuf_vmalloc tveeprom cx2341x videobuf_core dvb_core > > > > > > > > > v4l2_common > > > > > > > > > videodev media netconsole nfsv4 dns_resolver nfs lockd fscache > > > > > > > > > snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep > > > > > > > > > snd_seq > > > > > > > > > snd_seq_device snd_pcm snd_page_alloc ppdev kvm_amd kvm > > > > > > > > > sp5100_tco > > > > > > > > > snd_timer snd soundcore shpchp parport_pc parport microcode > > > > > > > > > serio_raw > > > > > > > > > edac_core k10temp edac_mce_amd acpi_cpufreq mperf i2c_piix4 > > > > > > > > > uinput > > > > > > > > > ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper > > > > > > > > > pata_atiixp > > > > > > > > > ttm r8169 drm mii i2c_core sunrpc > > > > > > > > > [ 559.137276] CPU: 0 PID: 26 Comm: kworker/0:1 Not tainted > > > > > > > > > 3.11.10-100.fc18.x86_64 #1 > > > > > > > > > [ 559.142306] Hardware name: FOXCONN A6VMX/A6VMX, BIOS > > > > > > > > > 080014 06/03/2009 > > > > > > > > > [ 559.147406] Workqueue: events work_for_cpu_fn > > > > > > > > > [ 559.152497] task: ffff880121ef9e80 ti: ffff8801219a0000 > > > > > > > > > task.ti: > > > > > > > > > ffff8801219a0000 > > > > > > > > > [ 559.157655] RIP: 0010:[<ffffffffa04facae>] > > > > > > > > > [<ffffffffa04facae>] > > > > > > > > > tda829x_attach+0x6e/0xba0 [tda8290] > > > > > > > > > [ 559.162964] RSP: 0018:ffff8801219a1b68 EFLAGS: 00010202 > > > > > > > > > [ 559.168238] RAX: ffff88011d3bf060 RBX: ffff88011c734000 > > > > > > > > > RCX: 0000000000000000 > > > > > > > > > [ 559.173537] RDX: 0000000000000000 RSI: 0000000000000000 > > > > > > > > > RDI: ffff88011d3bf0c0 > > > > > > > > > [ 559.178905] RBP: ffff8801219a1bf8 R08: 0000000000016f00 > > > > > > > > > R09: ffff880123401a00 > > > > > > > > > [ 559.184294] R10: ffffffffa04fac87 R11: 0000000000000000 > > > > > > > > > R12: ffff88011d3bf060 > > > > > > > > > [ 559.189662] R13: 0000000000000202 R14: ffff88012099d698 > > > > > > > > > R15: 0000000000000042 > > > > > > > > > [ 559.195081] FS: 00007fc9f1c89840(0000) > > > > > > > > > GS:ffff880127c00000(0000) > > > > > > > > > knlGS:0000000000000000 > > > > > > > > > [ 559.200563] CS: 0010 DS: 0000 ES: 0000 CR0: > > > > > > > > > 000000008005003b > > > > > > > > > [ 559.206034] CR2: 0000000000000202 CR3: 0000000001c0c000 > > > > > > > > > CR4: 00000000000007f0 > > > > > > > > > [ 559.211611] Stack: > > > > > > > > > [ 559.217124] ffff8801219a1bc8 ffffffff810cc08d > > > > > > > > > ffff88012099d370 > > > > > > > > > ffffffffa04f6138 > > > > > > > > > [ 559.222852] ffff8801219a0101 ffffffffa04fe060 > > > > > > > > > 0000000000000000 > > > > > > > > > ffffffffa04fd030 > > > > > > > > > [ 559.228659] ffff8801219a1c4c ffffffffa04fd030 > > > > > > > > > 0000000000000036 > > > > > > > > > 00000000b58d6d22 > > > > > > > > > [ 559.234345] Call Trace: > > > > > > > > > [ 559.239922] [<ffffffff810cc08d>] ? find_symbol+0x3d/0xb0 > > > > > > > > > [ 559.245535] [<ffffffffa04f3605>] set_type+0x325/0x9f0 > > > > > > > > > [tuner] > > > > > > > > > [ 559.251177] [<ffffffffa04c95ca>] ? > > > > > > > > > cx18_i2c_register+0x15a/0x210 [cx18] > > > > > > > > > [ 559.256814] [<ffffffffa04f3d6f>] > > > > > > > > > tuner_s_type_addr+0x9f/0x140 [tuner] > > > > > > > > > [ 559.262494] [<ffffffffa04c8722>] cx18_probe+0xda2/0x1560 > > > > > > > > > [cx18] > > > > > > > > > [ 559.268195] [<ffffffff8133d4ab>] local_pci_probe+0x4b/0x80 > > > > > > > > > [ 559.273897] [<ffffffff81080da8>] work_for_cpu_fn+0x18/0x30 > > > > > > > > > [ 559.279604] [<ffffffff8108391a>] > > > > > > > > > process_one_work+0x17a/0x400 > > > > > > > > > [ 559.285341] [<ffffffff81083bcc>] > > > > > > > > > process_scheduled_works+0x2c/0x40 > > > > > > > > > [ 559.291056] [<ffffffff81084ed2>] worker_thread+0x262/0x370 > > > > > > > > > [ 559.296787] [<ffffffff81084c70>] ? > > > > > > > > > manage_workers.isra.21+0x2b0/0x2b0 > > > > > > > > > [ 559.302532] [<ffffffff8108b3e0>] kthread+0xc0/0xd0 > > > > > > > > > [ 559.308252] [<ffffffff81010000>] ? > > > > > > > > > perf_trace_xen_mc_callback+0xe0/0xe0 > > > > > > > > > [ 559.314017] [<ffffffff8108b320>] ? > > > > > > > > > kthread_create_on_node+0x120/0x120 > > > > > > > > > [ 559.319770] [<ffffffff8167576c>] ret_from_fork+0x7c/0xb0 > > > > > > > > > [ 559.325544] [<ffffffff8108b320>] ? > > > > > > > > > kthread_create_on_node+0x120/0x120 > > > > > > > > > [ 559.331343] Code: c9 a8 c9 e0 48 85 c0 49 89 c4 0f 84 7e > > > > > > > > > 0a 00 00 > > > > > > > > > 4d 85 ed 48 89 83 28 03 00 00 44 88 38 4c 89 70 08 48 c7 40 > > > > > > > > > 18 87 d4 > > > > > > > > > 4f a0 74 12 <41> 8b 45 00 41 89 44 24 38 49 8b 45 08 49 89 44 > > > > > > > > > 24 48 4d > > > > > > > > > 8d 74 > > > > > > > > > [ 559.344343] RIP [<ffffffffa04facae>] > > > > > > > > > tda829x_attach+0x6e/0xba0 [tda8290] > > > > > > > > > [ 559.350561] RSP <ffff8801219a1b68> > > > > > > > > > [ 559.356632] CR2: 0000000000000202 > > > > > > > > > [ 559.396189] ---[ end trace d9c77bf63cfd8777 ]--- > > > > > > OK, this is kind of weird. The failure point in question is here in > > > > > > drivers/media/tuners/tda8290.c:tda829x_attach(): > > > > > > > > > > > > struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe, > > > > > > struct i2c_adapter > > > > > > *i2c_adap, u8 i2c_addr, > > > > > > struct tda829x_config > > > > > > *cfg) > > > > > > { > > > > > > struct tda8290_priv *priv = NULL; > > > > > > char *name; > > > > > > > > > > > > priv = kzalloc(sizeof(struct tda8290_priv), > > > > > > GFP_KERNEL); > > > > > > if (priv == NULL) > > > > > > return NULL; > > > > > > fe->analog_demod_priv = priv; > > > > > > > > > > > > priv->i2c_props.addr = i2c_addr; > > > > > > priv->i2c_props.adap = i2c_adap; > > > > > > priv->i2c_props.name = "tda829x"; > > > > > > if (cfg) { > > > > > > priv->cfg.config = cfg->lna_cfg; > > > > > > priv->tda18271_std_map = > > > > > > cfg->tda18271_std_map; > > > > > > } > > > > > > > > > > > > if (tda8290_probe(&priv->i2c_props) == 0) { > > > > > > priv->ver = TDA8290; > > > > > > memcpy(&fe->ops.analog_ops, &tda8290_ops, > > > > > > <------- accessing tda8290_ops seems to be it > > > > > > sizeof(struct analog_demod_ops)); > > > > > > } > > > > > > [...] > > > > > > > > > > > > The memcpy() gets unrolled by the compiler, and when the processor > > > > > > is > > > > > > copying the first word of the "tda8290_ops" variable, the NULL > > > > > > dereference occurs. > > > > > > > > > > > > c87: f6 be d0 test %rax,%rax ; > > > > > > if (priv == NULL) > > > > > > c8a: 80 00 00 mov %rax,%r12 > > > > > > c8d: 41 55 49 89 cd 41 je 1711 > > > > > > <tda829x_release+0x16e1> (File Offset: 0x1751); return NULL; > > > > > > c93: 54 53 48 test %r13,%r13 ; > > > > > > if (cfg) { > > > > > > c96: 89 fb 48 83 ec 68 48 mov > > > > > > %rax,0x328(%rbx) ; fe->analog_demod_priv = priv; > > > > > > c9d: 8b 3d 00 mov %r15b,(%rax) > > > > > > ; priv->i2c_props.addr = i2c_addr; > > > > > > ca0: 00 00 00 65 mov > > > > > > %r14,0x8(%rax) ; priv->i2c_props.adap = i2c_adap; > > > > > > ca4: 48 8b 04 25 28 00 00 movq > > > > > > $0x0,0x18(%rax) ; priv->i2c_props.name = "tda829x"; > > > > > > cab: 00 > > > > > > cac: 48 89 je cc0 > > > > > > <tda829x_release+0xc90> (File Offset: 0xd00) > > > > > > cae: 45 c8 31 c0 mov > > > > > > 0x0(%r13),%eax ; cfg->lna_cfg > > > > > > cb2: e8 00 00 00 00 mov > > > > > > %eax,0x38(%r12) ; priv->cfg.config = cfg->lna_cfg; > > > > > > cb7: 48 85 c0 49 mov > > > > > > 0x8(%r13),%rax > > > > > > cbb: 89 c4 0f 84 7e mov > > > > > > %rax,0x48(%r12) ; priv->tda18271_std_map = cfg->tda18271_std_map; > > > > > > cc0: 0a 00 00 4d 85 lea > > > > > > 0x8(%r12),%r14 ; &priv->i2c_props.adap > > > > > > cc5: ed 48 89 mov %r12,%rdi ; > > > > > > &priv->i2c_props > > > > > > cc8: 83 28 03 mov %r14,%rsi ; > > > > > > priv->i2c_props.adap > > > > > > ccb: 00 00 44 88 38 callq 50 > > > > > > <tda829x_release+0x20> (File Offset: 0x90) ; tda8290_probe(); > > > > > > cd0: 4c 89 test %eax,%eax ; > > > > > > if (tda8290_probe(&priv->i2c_props) == 0) { > > > > > > cd2: 70 08 48 c7 40 18 jne d5c > > > > > > <tda829x_release+0xd2c> (File Offset: 0xd9c) > > > > > > cd8: 00 00 00 00 74 12 41 mov > > > > > > 0x0(%rip),%rax # cdf <tda829x_release+0xcaf> (File Offset: > > > > > > 0xd1f) ; unrolled memcpy(&fe->ops.analog_ops, &tda8290_ops, > > > > > > sizeof(struct analog_demod_ops)); first read > > > > > > cdf: 8b 45 00 41 89 44 movb > > > > > > $0x1,0x22(%r12) ; priv->ver = TDA8290; > > > > > > ce5: 24 38 49 8b 45 08 49 mov > > > > > > %rax,0x2a8(%rbx) ; first write of unrolled memcpy() > > > > > > cec: 89 44 24 48 4d 8d 74 mov > > > > > > 0x0(%rip),%rax # cf3 <tda829x_release+0xcc3> (File Offset: > > > > > > 0xd33) ; second read of unrolled memcpy() > > > > > > cf3: 24 08 4c 89 e7 4c 89 mov > > > > > > %rax,0x2b0(%rbx) ; second write of unrolled memcpy(); > > > > > > [...] > > > > > > > > > > > > But that "tda8290_ops" structure should be a constant that doesn't > > > > > > change. Either you've got a serious memory problem or something is > > > > > > going on that I can't see. > > > > > > > > > > > > The page fault below that follows the initial fault is likely > > > > > > another > > > > > > symptom, but it doesn't help find the real problem. > > > > > > > > > > > > The cx18 driver is a bit of pig when it comes to memory; it grabs a > > > > > > bunch of memory for various streams at module load. > > > > > > > > > > > > You can use the module options to the cx18 driver to inhibit it from > > > > > > allocating memory for streams you don't use and for lower memory > > > > > > grabbed > > > > > > for streams you do use. See 'modinfo cx18'. > > > > > > > > > > > > Regards, > > > > > > Andy > > > > > > > > > > > > > > > [ 559.398420] BUG: unable to handle kernel paging request at > > > > > > > > > ffffffffffffffd8 > > > > > > > > > [ 559.404868] IP: [<ffffffff8108b6c0>] kthread_data+0x10/0x20 > > > > > > > > > [ 559.411371] PGD 1c0f067 PUD 1c11067 PMD 0 > > > > > > > > > [ 559.417676] Oops: 0000 [#2] SMP > > > > > > > > > [ 559.423821] Modules linked in: cs5345 tda8290 tuner cx18(+) > > > > > > > > > videobuf_vmalloc tveeprom cx2341x videobuf_core dvb_core > > > > > > > > > v4l2_common > > > > > > > > > videodev media netconsole nfsv4 dns_resolver nfs lockd fscache > > > > > > > > > snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep > > > > > > > > > snd_seq > > > > > > > > > snd_seq_device snd_pcm snd_page_alloc ppdev kvm_amd kvm > > > > > > > > > sp5100_tco > > > > > > > > > snd_timer snd soundcore shpchp parport_pc parport microcode > > > > > > > > > serio_raw > > > > > > > > > edac_core k10temp edac_mce_amd acpi_cpufreq mperf i2c_piix4 > > > > > > > > > uinput > > > > > > > > > ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper > > > > > > > > > pata_atiixp > > > > > > > > > ttm r8169 drm mii i2c_core sunrpc > > > > > > > > > [ 559.444987] CPU: 0 PID: 26 Comm: kworker/0:1 Tainted: G > > > > > > > > > D > > > > > > > > > 3.11.10-100.fc18.x86_64 #1 > > > > > > > > > [ 559.452106] Hardware name: FOXCONN A6VMX/A6VMX, BIOS > > > > > > > > > 080014 06/03/2009 > > > > > > > > > [ 559.459180] task: ffff880121ef9e80 ti: ffff8801219a0000 > > > > > > > > > task.ti: > > > > > > > > > ffff8801219a0000 > > > > > > > > > [ 559.466267] RIP: 0010:[<ffffffff8108b6c0>] > > > > > > > > > [<ffffffff8108b6c0>] > > > > > > > > > kthread_data+0x10/0x20 > > > > > > > > > [ 559.473364] RSP: 0018:ffff8801219a1758 EFLAGS: 00010092 > > > > > > > > > [ 559.480514] RAX: 0000000000000000 RBX: 0000000000000000 > > > > > > > > > RCX: 000000000000000f > > > > > > > > > [ 559.487469] RDX: 0000000000000000 RSI: 0000000000000000 > > > > > > > > > RDI: ffff880121ef9e80 > > > > > > > > > [ 559.494212] RBP: ffff8801219a1758 R08: ffff880121ef9ef0 > > > > > > > > > R09: 000000000000005f > > > > > > > > > [ 559.500757] R10: 0000000000000001 R11: 0000000000000000 > > > > > > > > > R12: ffff880127c14180 > > > > > > > > > [ 559.507118] R13: 0000000000000000 R14: 0000000000000001 > > > > > > > > > R15: ffff880121ef9e80 > > > > > > > > > [ 559.513429] FS: 00007f73ce1a6980(0000) > > > > > > > > > GS:ffff880127c00000(0000) > > > > > > > > > knlGS:0000000000000000 > > > > > > > > > [ 559.519763] CS: 0010 DS: 0000 ES: 0000 CR0: > > > > > > > > > 000000008005003b > > > > > > > > > [ 559.526047] CR2: 0000000000000028 CR3: 000000011dcc0000 > > > > > > > > > CR4: 00000000000007f0 > > > > > > > > > [ 559.532331] Stack: > > > > > > > > > [ 559.538475] ffff8801219a1778 ffffffff81085065 > > > > > > > > > ffff8801219a1778 > > > > > > > > > ffff880121efa190 > > > > > > > > > [ 559.544779] ffff8801219a17e8 ffffffff8166af62 > > > > > > > > > ffff880121ef9e80 > > > > > > > > > ffff8801219a1fd8 > > > > > > > > > [ 559.551125] ffff8801219a1fd8 ffff8801219a1fd8 > > > > > > > > > ffff8801219a17d8 > > > > > > > > > ffff880121ef9e80 > > > > > > > > > [ 559.557344] Call Trace: > > > > > > > > > [ 559.563534] [<ffffffff81085065>] > > > > > > > > > wq_worker_sleeping+0x15/0xa0 > > > > > > > > > [ 559.569761] [<ffffffff8166af62>] __schedule+0x492/0x7a0 > > > > > > > > > [ 559.575925] [<ffffffff8166bc99>] schedule+0x29/0x70 > > > > > > > > > [ 559.582047] [<ffffffff8106bd12>] do_exit+0x6b2/0xa20 > > > > > > > > > [ 559.588098] [<ffffffff8166e0a2>] oops_end+0xa2/0xf0 > > > > > > > > > [ 559.594098] [<ffffffff81661fc7>] no_context+0x253/0x27e > > > > > > > > > [ 559.600051] [<ffffffff81318e8a>] ? delay_tsc+0x4a/0x80 > > > > > > > > > [ 559.605971] [<ffffffff816621b2>] > > > > > > > > > __bad_area_nosemaphore+0x1c0/0x1df > > > > > > > > > [ 559.611958] [<ffffffff816621e4>] > > > > > > > > > bad_area_nosemaphore+0x13/0x15 > > > > > > > > > [ 559.617885] [<ffffffff81670f06>] > > > > > > > > > __do_page_fault+0x3a6/0x4f0 > > > > > > > > > [ 559.623767] [<ffffffff8131e460>] ? bsearch+0x60/0x90 > > > > > > > > > [ 559.629658] [<ffffffff810cb2e0>] ? > > > > > > > > > mod_find_symname+0x80/0x80 > > > > > > > > > [ 559.635542] [<ffffffff810cb469>] ? > > > > > > > > > find_symbol_in_section+0x49/0x120 > > > > > > > > > [ 559.641411] [<ffffffff810cb420>] ? section_objs+0x60/0x60 > > > > > > > > > [ 559.647307] [<ffffffff810cbc16>] ? > > > > > > > > > each_symbol_section.part.6+0x186/0x1e0 > > > > > > > > > [ 559.653186] [<ffffffff8167105e>] do_page_fault+0xe/0x10 > > > > > > > > > [ 559.659062] [<ffffffff8166d4d8>] page_fault+0x28/0x30 > > > > > > > > > [ 559.664950] [<ffffffffa04fac87>] ? > > > > > > > > > tda829x_attach+0x47/0xba0 [tda8290] > > > > > > > > > [ 559.670858] [<ffffffffa04facae>] ? > > > > > > > > > tda829x_attach+0x6e/0xba0 [tda8290] > > > > > > > > > [ 559.676742] [<ffffffffa04fac87>] ? > > > > > > > > > tda829x_attach+0x47/0xba0 [tda8290] > > > > > > > > > [ 559.682581] [<ffffffff810cc08d>] ? find_symbol+0x3d/0xb0 > > > > > > > > > [ 559.688381] [<ffffffffa04f3605>] set_type+0x325/0x9f0 > > > > > > > > > [tuner] > > > > > > > > > [ 559.694200] [<ffffffffa04c95ca>] ? > > > > > > > > > cx18_i2c_register+0x15a/0x210 [cx18] > > > > > > > > > [ 559.700050] [<ffffffffa04f3d6f>] > > > > > > > > > tuner_s_type_addr+0x9f/0x140 [tuner] > > > > > > > > > [ 559.705866] [<ffffffffa04c8722>] cx18_probe+0xda2/0x1560 > > > > > > > > > [cx18] > > > > > > > > > [ 559.711697] [<ffffffff8133d4ab>] local_pci_probe+0x4b/0x80 > > > > > > > > > [ 559.717304] [<ffffffff81080da8>] work_for_cpu_fn+0x18/0x30 > > > > > > > > > [ 559.722660] [<ffffffff8108391a>] > > > > > > > > > process_one_work+0x17a/0x400 > > > > > > > > > [ 559.727981] [<ffffffff81083bcc>] > > > > > > > > > process_scheduled_works+0x2c/0x40 > > > > > > > > > [ 559.733268] [<ffffffff81084ed2>] worker_thread+0x262/0x370 > > > > > > > > > [ 559.738544] [<ffffffff81084c70>] ? > > > > > > > > > manage_workers.isra.21+0x2b0/0x2b0 > > > > > > > > > [ 559.743828] [<ffffffff8108b3e0>] kthread+0xc0/0xd0 > > > > > > > > > [ 559.749053] [<ffffffff81010000>] ? > > > > > > > > > perf_trace_xen_mc_callback+0xe0/0xe0 > > > > > > > > > [ 559.754273] [<ffffffff8108b320>] ? > > > > > > > > > kthread_create_on_node+0x120/0x120 > > > > > > > > > [ 559.759536] [<ffffffff8167576c>] ret_from_fork+0x7c/0xb0 > > > > > > > > > [ 559.764568] [<ffffffff8108b320>] ? > > > > > > > > > kthread_create_on_node+0x120/0x120 > > > > > > > > > [ 559.769386] Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 > > > > > > > > > 83 e0 01 > > > > > > > > > c3 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 48 8b 87 b8 > > > > > > > > > 02 00 00 > > > > > > > > > 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 > > > > > > > > > 66 66 66 > > > > > > > > > 66 90 > > > > > > > > > [ 559.779908] RIP [<ffffffff8108b6c0>] > > > > > > > > > kthread_data+0x10/0x20 > > > > > > > > > [ 559.784720] RSP <ffff8801219a1758> > > > > > > > > > [ 559.789434] CR2: ffffffffffffffd8 > > > > > > > > > [ 559.794086] ---[ end trace d9c77bf63cfd8778 ]--- > > > > > > > > > [ 559.794094] Fixing recursive fault but reboot is needed! > > > > > > > > > > > > > > > > > > Please advise. > > > > > > > > > > > > > > > > > > Scott > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > > > > ivtv-users mailing list > > > > > > > > > [email protected] > > > > > > > > > http://ivtvdriver.org/mailman/listinfo/ivtv-users > > > > > > _______________________________________________ > > ivtv-users mailing list > > [email protected] > > http://ivtvdriver.org/mailman/listinfo/ivtv-users > > > -- > _ Chris Florian | TXIO Corporation | www.txio.ca | 1.416.414.6378 _ > _______________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
