Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1506672

Re: v4.9-rc1: smiapp divides by zero

From Pavel Machek <pavel@ucw.cz>
Newsgroups linux.kernel
Subject Re: v4.9-rc1: smiapp divides by zero
Date 2016-10-23 13:00 +0200
Message-ID <svoFr-8iu-3@gated-at.bofh.it> (permalink)
References <rITkB-4S0-5@gated-at.bofh.it> <svlxT-6oK-5@gated-at.bofh.it> <svocq-87R-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


[Multipart message — attachments visible in raw view] - view raw

Hi!

> I tried to update camera code on n900 to v4.9-rc1, and I'm getting
> some divide by zero, that eventually cascades into fcam-dev not
> working.
> 
> mul is zero in my testing, resulting in divide by zero.
> 
> (Note that this is going from my patched camera-v4.8 tree to
> camera-v4.9 tree.)

If I revert the smiapp changes to the ones in camera-v4.8, I get fcam
back, and can get pictures using the main camera.

There are only few patches between v4.8 and v4.8 in smiapp, so I'll
try to find what is going on there.

Best regards,
								Pavel


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Re: [PATCH v3 0/2] media: add et8ek8 camera sensor driver and  documentation Pavel Machek <pavel@ucw.cz> - 2016-10-23 09:40 +0200
  v4.9-rc1: smiapp divides by zero Pavel Machek <pavel@ucw.cz> - 2016-10-23 12:30 +0200
    Re: v4.9-rc1: smiapp divides by zero Pali Rohár <pali.rohar@gmail.com> - 2016-10-23 12:40 +0200
    Re: v4.9-rc1: smiapp divides by zero Pavel Machek <pavel@ucw.cz> - 2016-10-23 13:00 +0200
    Re: v4.9-rc1: smiapp divides by zero Sakari Ailus <sakari.ailus@iki.fi> - 2016-10-23 16:20 +0200
      Re: v4.9-rc1: smiapp divides by zero Pavel Machek <pavel@ucw.cz> - 2016-10-23 20:40 +0200
  Re: [PATCH v3 0/2] media: add et8ek8 camera sensor driver and  documentation Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-10-23 20:10 +0200
    Re: [PATCH v3 0/2] media: add et8ek8 camera sensor driver and  documentation Pavel Machek <pavel@ucw.cz> - 2016-10-23 20:20 +0200
      Re: [PATCH v3 0/2] media: add et8ek8 camera sensor driver and  documentation Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> - 2016-10-23 20:40 +0200

csiph-web