lkml.org 
[lkml]   [2001]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Memory accounting problem in 2.4.13, 2.4.14pre, and possibly 2.4.14
On Tue, Nov 06, 2001 at 02:03:35PM -0800, Mike Fedyk wrote:
> Hello,
>
> I am trying to track down a memory accounting problem I've seen ever since I
> tried a 2.4.13 based kernel. Specifically I've noticed an overflow for the
> "Cached" entry in /proc/meminfo, but also the numbers don't add up to the
> total memory count. Shouldn't they add up? If they should, I haven't seen
> one that does....
>
> I first noticed it on:
> 2.4.13freeswan-1.91+ac5+preempt+netdev_random+vm_freeswap
> 2.4.14-pre6+preempt+netdev_random+ext3_0.9.14-2414p5
>
> I thought it may be preempt so I tried:
> 2.4.14-pre8+netdev_random-p7+xsched+ext3_0.9.14-2414p8+elevator
>
> But I still get the same problem with "Cached".
>
> Now I'm trying to see if it could be ext3 with:
> 2.4.14-ext3-2.4-0.9.14-2414p8
>
> And I haven't noticed the problem after 16 hours uptime. Sometimes it would
> show earlier, or later.
>
> >From current (2.4.14-ext3-2.4-0.9.14-2414p8) kernel:
> total: used: free: shared: buffers: cached:
> Mem: 261443584 254337024 7106560 0 58957824 76398592
> Swap: 199815168 1228800 198586368
> MemTotal: 255316 kB
> MemFree: 6940 kB
> MemShared: 0 kB
> Buffers: 57576 kB
> Cached: 73408 kB
> SwapCached: 1200 kB
> Active: 65048 kB
> Inactive: 138040 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 255316 kB
> LowFree: 6940 kB
> SwapTotal: 195132 kB
> SwapFree: 193932 kB
>
> Subtracted from MemTotal should = 0:
> MemFree: 6940 kB
> Active: 65048 kB
> Inactive: 138040 kB
> = 45288 kB remaining
>
> Shouldn't these numbers add up to MemTotal?
>
> $ dpkg -l "*gcc*"|grep ii
> ii gcc 2.95.4-8 The GNU C compiler.
> ii gcc-2.95 2.95.4-0.01100 The GNU C compiler.
>
> On Debian Sid.
>
> I can provide more information upon request...
>

To continue the results...

Now : 1 day(s), 15:47:31 running Linux 2.4.14-ext3-2.4-0.9.14-2414p8

has also exibited the problem with cached.

I'm going to try unpatched 2.4.14 now...

Mike
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:12    [W:0.085 / U:6.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site