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help - /proc/core is eating my drive!

andy stone

2 Nov 2002 2 Nov '02

23:42

I guess /proc/core is where crash errors get logged? Well, my week-old install has made a 539Mb filealready :( Can I control the size of this file, and/or what gets written to it? Andy

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Joe Sullivan

3 Nov 3 Nov

00:28

New subject: [SLE] help - /proc/core is eating my drive!

On Sunday 03 November 2002 00:42, andy stone wrote:

...

I guess /proc/core is where crash errors get logged? Well, my week-old install has made a 539Mb filealready :( Can I control the size of this file, and/or what gets written to it?

Ugh, I've had 8.1 running for just 2 days, and /proc/Kcore is at 137.6 MB already. Methinks there's way too much information getting put in kcore for some reason. Parts of it can be read, and I really don't think it's "crash data". I know I certainly haven't had enough crashes in 2 days to warrant 137MB worth of info! Maybe when I was using Windoze... What gives? It's set up with owner/group root/root, with root-read-only permissions, and can't even change permissions on it to empty it out. This can't be good... Joe

Philipp Thomas

01:23

New subject: [SLE] help - /proc/core is eating my drive!

Joe Sullivan [Sun, 3 Nov 2002 01:28:49 +0100]:

...

...
Can I control the size of this file, and/or what gets written to it?

Ugh, I've had 8.1 running for just 2 days, and /proc/Kcore is at 137.6 MB already.

Both of you should calm done :) /proc is a *virtual* file system that occupies next to *no* disk space besides the inodes needed for the file system. All information below /proc comes from the kernel and drivers, but the space needed is in memory and not on disk! /proc/Kcore is a direct view of the kernel memory. The size you see is the space used *in memory* (be it real or swap), not on the disk! For checking, just boot the rescue system from CD/DVD and mount your root file system. If you look at /proc in that mounted filesystem, you'll see it's empty, no subdirectories, no files taking any space. Philipp -- Philipp Thomas work: pthomas@suse.de Development SuSE Linux AG private: pth@t-link.de

andy stone

01:50

New subject: [SLE] help - /proc/core is eating my drive!

Ah - many thanks Philipp and Rikard - I should have checked /proc/ first. Hmm, I think the way /proc/core is described as 'crash data' is a little alarmist, but even so I could have done du /proc before hitting the list. Thanks Andy On Sun, 2002-11-03 at 01:23, Philipp Thomas wrote:

...

Joe Sullivan [Sun, 3 Nov 2002 01:28:49 +0100]:

...
...
Can I control the size of this file, and/or what gets written to it?

Ugh, I've had 8.1 running for just 2 days, and /proc/Kcore is at 137.6 MB already.

Both of you should calm done :) /proc is a *virtual* file system that occupies next to *no* disk space besides the inodes needed for the file system. All information below /proc comes from the kernel and drivers, but the space needed is in memory and not on disk!

/proc/Kcore is a direct view of the kernel memory. The size you see is the space used *in memory* (be it real or swap), not on the disk! For checking, just boot the rescue system from CD/DVD and mount your root file system. If you look at /proc in that mounted filesystem, you'll see it's empty, no subdirectories, no files taking any space.

Philipp

-- Philipp Thomas work: pthomas@suse.de Development SuSE Linux AG private: pth@t-link.de

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Rikard Johnels

00:34

New subject: [SLE] help - /proc/core is eating my drive!

On Sunday 03 November 2002 00.42, andy stone wrote:

...

I guess /proc/core is where crash errors get logged? Well, my week-old install has made a 539Mb filealready :( Can I control the size of this file, and/or what gets written to it?

Andy

From wht i havce heard the /proc is a virtual filesystem. The files in there actually takes NO space unless you copy them onto the disk. Check with "du /proc" and you'll get total size=0 The /proc/core is a image of your current memory. So dont worry. It is all in good order. -- /Rikard ------------------------------------------------------------------------------------ Rikard Johnels email : rjhn@linux.nu Web : http://www.rikjoh.com Mob : +46 70 464 99 39 ------------------------ Public PGP fingerprint ---------------------------- < 15 28 DF 78 67 98 B2 16 1F D3 FD C5 59 D4 B6 78 46 1C EE 56 >

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andy stone
Joe Sullivan
Philipp Thomas
Rikard Johnels