Messages in this thread |  | | Date | Wed, 7 Nov 2001 13:36:44 -0800 | From | Mike Fedyk <> | Subject | Re: Memory accounting problem in 2.4.13, 2.4.14pre, and possibly 2.4.14 |
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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...
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