Commen=
t # 39
on bug 72785<=
/a>
from Michel D=C3=A4nzer
(In reply to Linux User from comment #36)
> P.P.S. and what about better fan/intensity contr=
ol?
See bug 73338.
(In reply to Linux User from commen=
t #38)
> P.S. also there is another silly issue. If I jus=
t install Ubuntu and run
> bfgminer on multi-GPU setup within X session, it would only see 1st GPU
> (where X server running). Remaining GPUs are not detected. Fix is to e=
ither
> run bfgminer as root (extremely unsafe!!!) or create new user and make
> "video" it's primary group. The user who installs Ubuntu is =
a member of
> "video" group, but "video" is his secondary group,=
which is very common.
> Somehow, kernel seems to disregard permissions in such case and would =
issue
> -EPERM on certain syscall, making bfgminer unable to find GPUs except =
one
> used by X. Generally it means that user can't use more than 1 GPU unle=
ss he
> is either root (very dangerous!) or video is his primary group (inconv=
enient
> and uncommon). I believe it is a bug and I should file it? Since I fai=
l to
> understand how average Joe would be able to use some OpenCL program in
> multi-GPU setup and get it working "by default" on all avail=
able GPUs. I
> guess I should file it as new bug? Is it kernel issue or MESA, etc?
You should report this to Ubuntu.