Hey, Mike! Any luck? Did my dumps help you out at all? Just poking to see if you had the chance to continue working on this. Cheers!
On Sun, 2019-09-22 at 15:04 -0500, Mike Isely wrote: > Thank you! > -Mike > On Sun, 22 Sep 2019, Diego Rivera wrote: > > As requested--*Diego Rivera* > > > > On Sun, Sep 22, 2019 at 1:53 PM Mike Isely <[email protected]> wrote: > > > Ugh. This is line-wrapped to hell-and-back. Can you resend that as > > > afile attachment? > > > -Mike > > > On Sun, 22 Sep 2019, Diego Rivera wrote: > > > > This is what kern.log shows when I hot-unplug/hot-poweroff one of > > > > thedevices: > > > > Sep 22 13:36:05 tvserver kernel: [ 156.265825] usb 1-4: USB > > > > disconnect,device number 8Sep > > > > 22 13:36:05 tvserver kernel: [ 156.266059] pvrusb2: Device > > > > beingrendered inoperableSep 22 > > > > 13:36:05 tvserver kernel: [ 156.266162] BUG: unable to handlekernel > > > > NULL pointer > > > > dereference at 0000000000000520Sep 22 13:36:05 tvserver kernel: [ > > > > 156.266299] #PF error: > > > > [normal kernelread fault]Sep 22 13:36:05 tvserver kernel: [ > > > > 156.266376] PGD 0 P4D 0Sep 22 > > > > 13:36:05 tvserver kernel: [ 156.266424] Oops: 0000 [#1] SMP PTISep 22 > > > > 13:36:05 tvserver > > > > kernel: [ 156.266485] CPU: 0 PID: 2190 Comm:pvrusb2-context Not > > > > tainted 5.0.0-29-generic > > > > #31-UbuntuSep 22 13:36:05 tvserver kernel: [ 156.266610] Hardware > > > > name: To Be > > > Filled > > > > By O.E.M. To Be Filled By O.E.M./Q1900-ITX, BIOS P1.70 03/31/2016Sep 22 > > > > 13:36:05 tvserver > > > > kernel: [ 156.266770] RIP:0010:pvr2_v4l2_internal_check+0x47/0x70 > > > > [pvrusb2]Sep 22 13:36:05 > > > > tvserver kernel: [ 156.266867] Code: 2f e4 ff ff 48 8b > > > 7b > > > > 40 e8 26 e4 ff ff 48 8b 43 38 48 8b 90 20 05 00 00 48 05 20 05 00 00 48 > > > 39 > > > > d0 74 03 5b 5d c3 48 8b 43 40 <48> 8b 90 20 05 00 00 48 05 20 05 00 00 > > > > 4839 d0 75 e7 48 89 > > > > df e8Sep 22 13:36:05 tvserver kernel: [ 156.267140] RSP: > > > 0018:ffffb4f3c262fea0 > > > > EFLAGS: 00010246Sep 22 13:36:05 tvserver kernel: [ 156.267223] RAX: > > > > 0000000000000000 > > > RBX: > > > > ffff9112efad8ba0 RCX: 0000000000000000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.267331] RDX: > > > > ffff9112ee80cd20 > > > RSI: > > > > 0000000000000000 RDI: 0000000000000000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.267439] RBP: > > > > ffffb4f3c262fea8 > > > R08: > > > > 0000000000000000 R09: ffff9112ed60c618Sep 22 13:36:05 tvserver kernel: > > > > [ 156.267546] R10: > > > > 000000000000f000 > > > R11: > > > > 0000002462016bed R12: ffff9112ef474000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.267653] R13: > > > > ffffffffc108ba90 > > > R14: > > > > 0000000000000000 R15: ffff9112f36ed700Sep 22 13:36:05 tvserver kernel: > > > > [ 156.267761] FS: > > > 0000000000000000(0000) > > > > GS:ffff9112f8200000(0000) knlGS:0000000000000000Sep 22 13:36:05 > > > > tvserver kernel: > > > > [ 156.267880] CS: 0010 DS: 0000 ES: > > > 0000 > > > > CR0: 0000000080050033Sep 22 13:36:05 tvserver kernel: [ 156.267968] > > > > CR2: 0000000000000520 > > > CR3: > > > > 000000014820e000 CR4: 00000000001006f0Sep 22 13:36:05 tvserver kernel: > > > > [ 156.268074] Call > > > > Trace:Sep 22 13:36:05 tvserver kernel: [ 156.268136] > > > > pvr2_context_thread_func+0xc4/0x2b0 > > > > [pvrusb2]Sep 22 13:36:05 tvserver kernel: [ 156.268227] ? > > > > wait_woken+0x80/0x80Sep 22 > > > > 13:36:05 tvserver kernel: [ 156.268290] kthread+0x120/0x140Sep 22 > > > > 13:36:05 tvserver > > > > kernel: [ 156.268362] ?pvr2_context_destroy+0xc0/0xc0 [pvrusb2]Sep 22 > > > > 13:36:05 tvserver > > > > kernel: [ 156.268449] ?__kthread_parkme+0x70/0x70Sep 22 13:36:05 > > > > tvserver kernel: > > > > [ 156.268518] ret_from_fork+0x35/0x40Sep 22 13:36:05 tvserver kernel: > > > > [ 156.268578] > > > > Modules linked in: > > > s5h1411 > > > > tda18271 tda8290 tuner cx25840 pvrusb2 tveeprom cx2341x > > > > dvb_corev4l2_common videodev media > > > > veth xt_nat ipt_MASQUERADE xfrm_user xfrm_algobr_netfilter bridge stp > > > > llc xt_recent > > > > ipt_REJECT nf_reject_ipv4 xt_limitxt_comment xt_multiport xt_conntrack > > > > xt_hashlimit > > > > xt_addrtype xt_markiptable_mangle xt_tcpudp xt_CT iptable_raw > > > > nfnetlink_log > > > > xt_NFLOGnf_log_ipv4 nf_log_common xt_LOG nf_conntrack_sane > > > > nf_conntrack_netlinknfnetlink > > > > nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sipnf_nat_pptp > > > > nf_nat_irc nf_nat_h323 > > > > nf_nat_ftp nf_nat_amandanf_conntrack_tftp nf_conntrack_sip > > > > nf_conntrack_pptp > > > nf_conntrack_proto_gre > > > > nf_conntrack_netbios_ns nf_conntrack_broadcast > > > > nf_conntrack_ircnf_conntrack_h323 > > > > nf_conntrack_ftp ts_kmp nf_conntrack_amanda iptable_natnf_nat_ipv4 > > > > nf_nat nf_conntrack > > > > nf_defrag_ipv6 nf_defrag_ipv4 arc4iptable_filter bpfilter md4 cmac > > > > nls_utf8 cifs ccm fscache > > > > aufs overlaynls_iso8859_1 xfs libcrc32c snd_hdmi_lpe_audio snd_pcmSep > > > > 22 13:36:05 tvserver > > > > kernel: [ 156.268655] snd_seq_midisnd_seq_midi_event snd_rawmidi > > > > snd_seq snd_seq_device > > > > snd_timer sndsoundcore intel_rapl intel_soc_dts_thermal > > > > intel_soc_dts_iosfintel_powerclamp > > > > coretemp kvm_intel punit_atom_debug i915 joydev kvmgtcrct10dif_pclmul > > > > input_leds vfio_mdev > > > > mdev crc32_pclmul vfio_iommu_type1ghash_clmulni_intel cryptd vfio > > > > intel_cstate kvm irqbypass > > > > drm_kms_helperdrm hci_uart i2c_algo_bit fb_sys_fops btqca mei_txe > > > > syscopyarea > > > > btrtlsysfillrect mei sysimgblt btbcm btintel bluetooth ecdh_generic > > > rfkill_gpio > > > > mac_hid sch_fq_codel ip_tables x_tables autofs4 > > > > hid_logitech_hidpphid_logitech_dj > > > > hid_generic usbhid r8169 ahci lpc_ich i2c_i801 libahcirealtek i2c_hid > > > > video hidSep 22 > > > > 13:36:05 tvserver kernel: [ 156.270831] CR2: 0000000000000520Sep 22 > > > > 13:36:05 tvserver > > > > kernel: [ 156.270891] ---[ end trace5d13378174849ef9 ]---Sep 22 > > > > 13:36:05 tvserver kernel: > > > > [ 156.270988] RIP:0010:pvr2_v4l2_internal_check+0x47/0x70 [pvrusb2]Sep > > > > 22 13:36:05 tvserver > > > > kernel: [ 156.271089] Code: 2f e4 ff ff 48 8b > > > 7b > > > > 40 e8 26 e4 ff ff 48 8b 43 38 48 8b 90 20 05 00 00 48 05 20 05 00 00 48 > > > 39 > > > > d0 74 03 5b 5d c3 48 8b 43 40 <48> 8b 90 20 05 00 00 48 05 20 05 00 00 > > > > 4839 d0 75 e7 48 89 > > > > df e8Sep 22 13:36:05 tvserver kernel: [ 156.271363] RSP: > > > 0018:ffffb4f3c262fea0 > > > > EFLAGS: 00010246Sep 22 13:36:05 tvserver kernel: [ 156.271447] RAX: > > > > 0000000000000000 > > > RBX: > > > > ffff9112efad8ba0 RCX: 0000000000000000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.271556] RDX: > > > > ffff9112ee80cd20 > > > RSI: > > > > 0000000000000000 RDI: 0000000000000000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.271665] RBP: > > > > ffffb4f3c262fea8 > > > R08: > > > > 0000000000000000 R09: ffff9112ed60c618Sep 22 13:36:05 tvserver kernel: > > > > [ 156.271773] R10: > > > > 000000000000f000 > > > R11: > > > > 0000002462016bed R12: ffff9112ef474000Sep 22 13:36:05 tvserver kernel: > > > > [ 156.271882] R13: > > > > ffffffffc108ba90 > > > R14: > > > > 0000000000000000 R15: ffff9112f36ed700Sep 22 13:36:05 tvserver kernel: > > > > [ 156.271990] FS: > > > 0000000000000000(0000) > > > > GS:ffff9112f8200000(0000) knlGS:0000000000000000Sep 22 13:36:05 > > > > tvserver kernel: > > > > [ 156.272111] CS: 0010 DS: 0000 ES: > > > 0000 > > > > CR0: 0000000080050033Sep 22 13:36:05 tvserver kernel: [ 156.272201] > > > > CR2: 0000000000000520 > > > CR3: > > > > 000000014820e000 CR4: 00000000001006f0Sep 22 13:36:10 tvserver kernel: > > > > [ 161.084276] usb 1- > > > > 4: new high-speed > > > USB > > > > device number 9 using xhci_hcdSep 22 13:36:10 tvserver kernel: [ > > > > 161.236211] usb 1-4: New > > > > USB devicefound, idVendor=2040, idProduct=7501, bcdDevice= 8.00Sep 22 > > > > 13:36:10 tvserver > > > > kernel: [ 161.236349] usb 1-4: New USB devicestrings: Mfr=1, > > > > Product=2, SerialNumber=3Sep > > > > 22 13:36:10 tvserver kernel: [ 161.236458] usb 1-4: Product: WinTVSep > > > > 22 13:36:10 tvserver > > > > kernel: [ 161.236516] usb 1-4: Manufacturer:HauppaugeSep 22 13:36:10 > > > > tvserver kernel: > > > > [ 161.236584] usb 1-4: SerialNumber:7300-00-F080EDCFSep 22 13:36:10 > > > > tvserver kernel: > > > > [ 161.239374] pvrusb2: Hardwaredescription: WinTV HVR-1950 Model 751xx > > > > Cheers!--*Diego Rivera* > > > > > > > > < > > > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon > > > > Virus-free.www.avast.com > > > > < > > > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link > > > > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > > > On Sun, Sep 22, 2019 at 12:42 PM Mike Isely <[email protected]> wrote: > > > > > On Sun, 22 Sep 2019, Mike Isely wrote: > > > > > > On Sun, 14 Apr 2019, Diego Rivera wrote: > > > > > > > Guinea pig #1 ready, sir! 😂 > > > > > > > -- > > > > > > > Diego Rivera > > > > > > > > > > > > Diego: > > > > > > Going back over this thread and comparing my recent notes, there's > > > > > > agood experiment I'd > > > > > > like you to try: Get the hardware into a statewhere you get the > > > > > > "Attempted to execute > > > > > > control transfer when device > > > not > > > > > > ok" infinite log spew. Once you've confirmed the scenario again, > > > reboot > > > > > > the host and then rename the ir-kbd-i2c.ko module to something > > > > > > whichdisables it. You > > > > > > can find this module in the following path: > > > > > > /lib/modules/`uname -r`/krtnrl/drivers/media/i2c/ > > > > > > > > > > Typo correction: > > > > > /lib/modules/`uname -r`/kernel/drivers/media/i2c/ > > > > > (fingers in wrong position on keyboard, apparently) > > > > > > > > > > > A good thing to do would be to just add "-disabled" to the end of > > > > > > thefile name. Then > > > > > > run "depmod -a" to rebuild the module dependencies(should take a > > > > > > few seconds) and now > > > > > > the ir-kbd-i2c module will bedisabled. On the off-chance that it > > > > > > has already been > > > > > > loaded, also > > > run > > > > > > "modprobe -r ir_kbd_ic2" (or just reboot again). NOW, run that > > > > > > samescenario where you > > > > > > get the log spew as mentioned above. Is that > > > still > > > > > > happening? Also, if it isn't still happening, does "modprobe > > > > > > -rpvrusb2" still get > > > > > > stuck? > > > > > > The reason I ask is because that's what I am seeing here. > > > > > > Thatir-kbd-i2c here is the > > > > > > source of the endless stream of failing I2Crequests into the > > > > > > pvrusb2 driver. I want to > > > > > > make sure we're looking > > > at > > > > > > the same bug. I've got roughly 3 misbehaviors on my plate right > > > > > > now.This is one of > > > > > > them. > > > > > > There was an earlier mention of a kernel panic when trying to remove > > > the > > > > > > pvrusb2 driver from the system. While I am seeing kernel oopses > > > > > > fromthis - due to sysfs > > > > > > doing something unexpected - it is not panicing.So I have not yet > > > > > > seen that specific > > > > > > problem. I'd like to know whatexact kernel was being run (distro / > > > > > > uname -r output / > > > > > > .config wouldhelp too). > > > > > > -Mike > > > > > > -- > > > > > > Mike Iselyisely @ isely (dot) netPGP: 03 54 43 4D 75 E5 CC 92 71 16 > > > > > > 01 E2 B5 F5 C1 > > > > > > E8_______________________________________________pvrusb2 mailing > > > > > > [email protected] > > > > > > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > > > > > > > > > > > > > > > > -- > > > > > Mike Iselyisely @ isely (dot) netPGP: 03 54 43 4D 75 E5 CC 92 71 16 > > > > > 01 E2 B5 F5 C1 > > > > > E8_______________________________________________pvrusb2 mailing > > > > > [email protected] > > > > > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > > > > > > > > > _______________________________________________pvrusb2 mailing > > > > [email protected] > > > > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > > > > > > > > > > -- > > > Mike Iselyisely @ isely (dot) netPGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 > > > B5 F5 C1 > > > E8_______________________________________________pvrusb2 mailing > > > [email protected] > > > http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2 > > > -- Diego Rivera
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