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 Forum index » House Training » Users ( For the regulars )
Large numbers of "bioset" processes in recent kernels
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OscarTalks


Joined: 05 Feb 2012
Posts: 1644
Location: London, England

PostPosted: Wed 13 Sep 2017, 06:25    Post subject:  Large numbers of "bioset" processes in recent kernels  

Is anyone else finding that they have lots of these bioset kernel processes showing up?
This apparently only applies to kernel 4.4.x and later.
If you are running one of these, could you have a look in Pprocess?

CPU and RAM all seems OK and everything runs well, but I was wondering what causes this. Is it a normal feature or something which needs changing in the kernel configuration?

I normally run Puppies with older kernels but recently compiled 4.4.87 for use in my StretchPup testing and noticed this was happening. I also did a kernel swap to 4.4.x in 32bit Slacko-6.9.9.9 and same thing. There are some similar reports on the net, no-one seemed too concerned but I didn't see an explanation that I could understand.
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 12722
Location: Arizona USA

PostPosted: Wed 13 Sep 2017, 08:16    Post subject:  

Bioset only shows up one time in Pprocess in Quirky Werewolf 64 bit. That's kernel 4.2.6.

I googled bioset and found this:
Quote:
Seems like a kernel working thread involved in block I/O. See:
https://answers.launchpad.net/ubuntu/+question/272922

I don't think there is any issue. It takes no CPU when it is not in use.

If your system uses a block data device (a solid state hard drive?) I suppose bioset would be used a lot.

Last edited by Flash on Wed 13 Sep 2017, 08:29; edited 1 time in total
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peebee


Joined: 21 Sep 2008
Posts: 3039
Location: Worcestershire, UK

PostPosted: Wed 13 Sep 2017, 08:28    Post subject:  

No bioset's at all here that I can see - Kernel 4.13.1-lxpup64 in LxPupSc-17.09.22T......
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OscarTalks


Joined: 05 Feb 2012
Posts: 1644
Location: London, England

PostPosted: Fri 15 Sep 2017, 18:02    Post subject:  

Thanks for the responses so far.
I tried the kernel 4.9.13 from the Puppy repos in Slacko 6.9.9.9 and it also showed lots of [bioset] processes.
Continuing to test, I compiled 4.13.2 which is latest stable kernel and that one shows no biosets at all.
Not sure what to think about it.
Need to test if ndiswrapper will compile in 4.13 because I want to include it.
Change log says it supports up to 4.8
Might stick with 4.4.87 for now and see what happens with LTS at 4.13. or higher.

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belham2

Joined: 15 Aug 2016
Posts: 1364

PostPosted: Fri 15 Sep 2017, 18:34    Post subject:  

Hi Oscar and all,

Here's Barry's EasyLinux4.0 with kernel 4.11.12. Bioset processes all over the place (my hard drive is an USB-attached Pata 133 IDE). Confused

On this hard drive, I've got many different pups and my own woof-CE builds (using lots of different kernels) 'frugally' installed, from Xenails to tahrs to slackos to you name it, there's a good chance I have it in a 'frugal' folder. My grub4dos is so long it is pathetic. Rolling Eyes But this past week I've been playing with Barry's Containers (in Easy4.0) trying to get my head around them. Anyhow, I'll have a look tomorrow at my recent xenial/tahrs/slacko woof-CE builds and see what they show with regards to biosets.
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Barry's EasyLinux4.0 with kernel 4.11.12.png

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8Geee


Joined: 12 May 2008
Posts: 1301
Location: N.E. USA

PostPosted: Fri 15 Sep 2017, 18:47    Post subject:  

Block I/O not restricted to 512K page size. I presume this is needed for large file manipulations within the OS. I also see a need(?) for encryption, or the ability to encrypt such movements and/or such files.

BIO is the framework and seems to have appeared in my spins with migration to openssl1.0.2, the kernel (k3.4.82) is too old to have this natively (apparantly 4.4 +).

Regards
8Geee

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Marv


Joined: 04 May 2005
Posts: 920
Location: SW Wisconsin

PostPosted: Fri 15 Sep 2017, 18:59    Post subject:  

No Biosets at all seen here in LxPup-Sc 17.09.21 - Linux 4.13.0-lxpup64 x86_64 running Grub4Dos frugal on a smallish SATA attached SSD.
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LazY Puppy


Joined: 21 Nov 2014
Posts: 2007
Location: Germany

PostPosted: Fri 15 Sep 2017, 19:32    Post subject:  

Got two of them running in Tahr 6.0.2.
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Limbomusic


Joined: 15 Apr 2016
Posts: 236
Location: Norway

PostPosted: Fri 15 Sep 2017, 20:50    Post subject: me
Subject description: too
 

Same here Oscar. On 2 machines. Lots of -bioset processes- like 15 or something.
Old machine running tahr_6.0.6 - kernel 4.9.13
Newish laptop with ssd running tahr64_6.0.6 - kernel 4.9.30
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belham2

Joined: 15 Aug 2016
Posts: 1364

PostPosted: Sat 16 Sep 2017, 06:17    Post subject:  

Hi Oscar and all,

Here's some pups from my stable, going in ascending order from kernel 2.6.### to peebee's latest 4.13.2.

Notice where this bioset thing started to show in the kernels as they progress:
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belham2

Joined: 15 Aug 2016
Posts: 1364

PostPosted: Sat 16 Sep 2017, 06:19    Post subject: continued post above due to forum max attch rules  

....continuing my post above due to forum rules about max 10 attachments per post......
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LateAdopter

Joined: 27 May 2011
Posts: 283
Location: Reading UK

PostPosted: Sat 16 Sep 2017, 17:20    Post subject:  

OscarTalks wrote:
Thanks for the responses so far.
I tried the kernel 4.9.13 from the Puppy repos in Slacko 6.9.9.9 and it also showed lots of [bioset] processes.
Continuing to test, I compiled 4.13.2 which is latest stable kernel and that one shows no biosets at all.
Not sure what to think about it.
Need to test if ndiswrapper will compile in 4.13 because I want to include it.
Change log says it supports up to 4.8
Might stick with 4.4.87 for now and see what happens with LTS at 4.13. or higher.


I have noticed that with kernel 4.13 /proc/cpuinfo is not working and there are no biosets. The explanation for /proc/cpuinfo is here: https://www.phoronix.com/scan.php?page=news_item&px=Linux-4.13-Power-Management
I guess there may be a connection...
Kernel 4.12.9 /proc/cpuinfo is working and there are lots of biosets.
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Limbomusic


Joined: 15 Apr 2016
Posts: 236
Location: Norway

PostPosted: Fri 10 Nov 2017, 16:14    Post subject: hey
Subject description: man
 

Hey Oscar Smile
Would love an update on this - have u found out anything about these bio-processes? Are new kernels free of this - WAS it a problem?

Anyway. Hugs and kisses
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OscarTalks


Joined: 05 Feb 2012
Posts: 1644
Location: London, England

PostPosted: Fri 10 Nov 2017, 21:30    Post subject:  

I have not found an explanation for this, unless as earlier posts suggest it may be connected with the CPU info thing and they have decided to change something in 4.13 kernel because of this.

What I can tell you is that I am using 4.13.2 in my experimental Stretch remaster. This means that cpu frequency scaling does not work but I don't normally use that anyway and everything else seems fine. I believe it may be possible to fix the frequency scaling tool in Puppy to work with these kernels, but I need to look into the details of that when I get chance.

The kernels with lots of biosets seem to work fine for me, but a few people did report that things were running more slowly. If anyone has any further ideas I would be happy to hear them.

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Limbomusic


Joined: 15 Apr 2016
Posts: 236
Location: Norway

PostPosted: Fri 10 Nov 2017, 23:23    Post subject: your
Subject description: effors
 

please know that your efforts are appreciated.

Only thing I have noticed is that browsers - especially chrome . just shuts down - if the page becomes too "heavy" - then u just get the "something happenden.. whatever dialog" - then I use opera - and that seems to work better.
tahrpup64
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