Hey. I made same changes to compile it for linux 4.1.15-8 (OpenSuse leap 42.1).
You can find it on on my fork : dor666/tw6869@e61cd30
Once for every 5-10 times of restarting application using framegrabber, kernel panics with following log (grabbed by netcat):
[ 409.901885] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 409.902020] IP: [] memcpy_erms+0x6/0x10
[ 409.902102] PGD 73f9e067 PUD 77f60067 PMD 0
[ 409.902176] Oops: 0002 [#1] PREEMPT SMP
[ 409.902246] Modules linked in: netconsole configfs af_packet iscsi_ibft iscsi_boot_sysfs nls_iso8859_1 nls_cp437 vfat fat gpio_kempld i2c_kempld iTCO_wdt iTCO_vendor_support ppdev intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul kempld_core crc32c_intel igb cryptd joydev ptp pcspkr pps_core i2c_i801 lpc_ich mfd_core dca i915 drm_kms_helper sdhci_pci shpchp drm i2c_algo_bit thermal fan battery i2c_scmi video 8250_fintek parport_pc parport processor_thermal_device int340x_thermal_zone ac sdhci_acpi sdhci mmc_core button processor tw68v(O) videobuf_vmalloc snd_pcm snd_timer snd soundcore videobuf_dma_sg videobuf_core v4l2_common videodev efivarfs hid_generic usbhid ehci_pci ehci_hcd usbcore usb_common sg
[ 409.903590] CPU: 0 PID: 309 Comm: systemd-journal Tainted: G W O 4.1.15-8-default #1
[ 409.903697] Hardware name: N/A N/A/COMe-cBTi6, BIOS CVV6R112 X64 12/01/2014
[ 409.903785] task: ffff880077dc6190 ti: ffff880074a3c000 task.ti: ffff880074a3c000
[ 409.903877] RIP: 0010:[] [] memcpy_erms+0x6/0x10
[ 409.903983] RSP: 0000:ffff880072003e60 EFLAGS: 00010206
[ 409.904050] RAX: 0000000000000000 RBX: ffff88006defb600 RCX: 00000000000ca800
[ 409.904138] RDX: 00000000000ca800 RSI: ffff880073800000 RDI: 0000000000000000
[ 409.904225] RBP: ffff880073800000 R08: 0000000000000001 R09: ffff880071800008
[ 409.904312] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 409.904399] R13: 0000000000000001 R14: ffff880074394000 R15: 0000000000000001
[ 409.904488] FS: 00007fc34f0ea840(0000) GS:ffff880072000000(0000) knlGS:0000000000000000
[ 409.906376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 409.908230] CR2: 0000000000000000 CR3: 0000000077cbf000 CR4: 00000000001006f0
[ 409.910101] Stack:
[ 409.911932] ffffffffa014cf31 0000000000000100 ffff880074394000 ffff880074394bf0
[ 409.915729] ffffffffa014fd0e ffff880074394038 0000000000000001 ffff880074394000
[ 409.919598] ffffffffa014b075 ffff880071507da8 0000fffe73ffaac0 0000000000000000
[ 409.923396] Call Trace:
[ 409.929170] Inexact backtrace:
[ 409.929170]
[ 409.932673]
[ 409.932727] [] ? BF_Copy+0x81/0x90 [tw68v]
[ 409.936036] [] ? TW68_irq_video_done+0x7e/0x100 [tw68v]
[ 409.937710] [] ? video_tasklet+0x75/0xe0 [tw68v]
[ 409.939360] [] ? tasklet_action+0x117/0x120
[ 409.940973] [] ? __do_softirq+0xe0/0x2b0
[ 409.942552] [] ? irq_exit+0x95/0xa0
[ 409.944085] [] ? do_IRQ+0x50/0xe0
[ 409.945571] [] ? common_interrupt+0x6e/0x6e
[ 409.947022]
[ 409.947054] Code: 90 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38
[ 409.953359] RIP [] memcpy_erms+0x6/0x10
[ 409.954907] RSP
[ 409.956447] CR2: 0000000000000000
It only happens during application shutdown.
Hey. I made same changes to compile it for linux 4.1.15-8 (OpenSuse leap 42.1).
You can find it on on my fork : dor666/tw6869@e61cd30
Once for every 5-10 times of restarting application using framegrabber, kernel panics with following log (grabbed by netcat):
It only happens during application shutdown.