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(Solved) SAA7164 driver problem
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Buffoon
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PostPosted: Sun Jul 12, 2015 3:41 pm    Post subject: (Solved) SAA7164 driver problem Reply with quote

There is no BIOS update for this board, time for new motherboard?
Code:
[   21.520192] udevd[232]: starting version 3.1.2
[   22.145696] ------------[ cut here ]------------
[   22.145706] WARNING: CPU: 0 PID: 288 at drivers/media/v4l2-core/v4l2-ioctl.c:1025 v4l_querycap+0x41/0x52()
[   22.145708] Modules linked in:
[   22.145712] CPU: 0 PID: 288 Comm: v4l_id Not tainted 4.0.5-gentoo #2
[   22.145714] Hardware name: Seneca pro39960/DQ35JO, BIOS JOQ3510J.86A.0865.2008.0404.0146 04/04/2008
[   22.145715]  0000000000000000 0000000000000009 ffffffff81593648 0000000000000000
[   22.145719]  ffffffff810328b5 ffff8800c9e47e08 ffffffff81452a95 ffff880000090650
[   22.145722]  ffff8800c9e47df8 0000000080685600 ffff880000088c00 0000000000000000
[   22.145725] Call Trace:
[   22.145731]  [<ffffffff81593648>] ? dump_stack+0x40/0x50
[   22.145737]  [<ffffffff810328b5>] ? warn_slowpath_common+0x93/0xab
[   22.145740]  [<ffffffff81452a95>] ? v4l_querycap+0x41/0x52
[   22.145743]  [<ffffffff81452a95>] ? v4l_querycap+0x41/0x52
[   22.145746]  [<ffffffff8145423b>] ? __video_do_ioctl+0x187/0x26f
[   22.145749]  [<ffffffff81453f9b>] ? video_usercopy+0x218/0x325
[   22.145751]  [<ffffffff814540b4>] ? video_ioctl2+0xc/0xc
[   22.145755]  [<ffffffff814502b6>] ? v4l2_ioctl+0x69/0xdd
[   22.145759]  [<ffffffff810cba06>] ? do_vfs_ioctl+0x36d/0x425
[   22.145763]  [<ffffffff810bb35a>] ? kmem_cache_free+0x2e/0x83
[   22.145766]  [<ffffffff810bde00>] ? do_sys_open+0xdc/0xee
[   22.145769]  [<ffffffff810cbaf7>] ? SyS_ioctl+0x39/0x55
[   22.145772]  [<ffffffff81598e32>] ? system_call_fastpath+0x12/0x17
[   22.145774] ---[ end trace 3d06078ed46973f6 ]---
[   22.146731] ------------[ cut here ]------------


Edit: It was SAA7164 driver causing this, there is a fix on linuxtv.org.


Last edited by Buffoon on Fri Jul 17, 2015 3:28 am; edited 1 time in total
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Hu
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PostPosted: Sun Jul 12, 2015 3:50 pm    Post subject: Reply with quote

Why replace your hardware over an internal warning?
drivers/media/v4l2-core/v4l2-ioctl.c:
   /*
    * Drivers MUST fill in device_caps, so check for this and
    * warn if it was forgotten.
    */
   WARN_ON(!(cap->capabilities & V4L2_CAP_DEVICE_CAPS) ||
      !cap->device_caps);
Switch to a fixed version of your v4l2 driver and you will be fine.
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Buffoon
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PostPosted: Mon Jul 13, 2015 1:45 pm    Post subject: Reply with quote

Many thanks. I believe the driver in question is one of those driving my media cards. Now I have to figure out which one. They all in kernel drivers.
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