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    SubjectRe: 2.6.5-rc1-mm1
    From
    Hi

    I think I have an abnormal memory situation, seems all my ram got exhausted
    and I don't see it used by userland processes.


    top - 13:48:59 up 9:50, 1 user, load average: 0.25, 1.26, 1.64
    Tasks: 112 total, 1 running, 111 sleeping, 0 stopped, 0 zombie
    Cpu0 : 0.0% us, 0.0% sy, 0.0% ni, 99.0% id, 1.0% wa, 0.0% hi, 0.0%
    si
    Cpu1 : 0.0% us, 1.0% sy, 0.0% ni, 99.0% id, 0.0% wa, 0.0% hi, 0.0%
    si
    Mem: 1036272k total, 1029316k used, 6956k free, 176k buffers
    Swap: 1183688k total, 74740k used, 1108948k free, 87116k cached
    Change delay from 1.0 to:
    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    823 piotr 15 0 26648 4232 23m S 0.0 0.4 0:45.21 kdeinit
    813 piotr 15 0 26472 2784 23m S 0.0 0.3 0:15.21 kdeinit
    817 piotr 16 0 24744 2428 21m S 0.0 0.2 0:03.13 kdeinit
    809 piotr 15 0 24408 2372 21m S 0.0 0.2 0:02.78 kdeinit
    693 root 15 0 92692 2288 79m S 0.0 0.2 1:10.60 XFree86


    Mar 22 13:36:57 nebula kernel: SysRq : Show Memory
    Mar 22 13:36:57 nebula kernel: Mem-info:
    Mar 22 13:36:57 nebula kernel: DMA per-cpu:
    Mar 22 13:36:57 nebula kernel: cpu 0 hot: low 2, high 6, batch 1
    Mar 22 13:36:57 nebula kernel: cpu 0 cold: low 0, high 2, batch 1
    Mar 22 13:36:57 nebula kernel: cpu 1 hot: low 2, high 6, batch 1
    Mar 22 13:36:57 nebula kernel: cpu 1 cold: low 0, high 2, batch 1
    Mar 22 13:36:57 nebula kernel: Normal per-cpu:
    Mar 22 13:36:57 nebula kernel: cpu 0 hot: low 32, high 96, batch 16
    Mar 22 13:36:57 nebula kernel: cpu 0 cold: low 0, high 32, batch 16
    Mar 22 13:36:57 nebula kernel: cpu 1 hot: low 32, high 96, batch 16
    Mar 22 13:36:57 nebula kernel: cpu 1 cold: low 0, high 32, batch 16
    Mar 22 13:36:57 nebula kernel: HighMem per-cpu:
    Mar 22 13:36:57 nebula kernel: cpu 0 hot: low 14, high 42, batch 7
    Mar 22 13:36:57 nebula kernel: cpu 0 cold: low 0, high 14, batch 7
    Mar 22 13:36:57 nebula kernel: cpu 1 hot: low 14, high 42, batch 7
    Mar 22 13:36:57 nebula kernel: cpu 1 cold: low 0, high 14, batch 7
    Mar 22 13:36:57 nebula kernel:
    Mar 22 13:36:57 nebula kernel: Free pages: 4660kB (252kB HighMem)
    Mar 22 13:36:57 nebula kernel: Active:239794 inactive:6995 dirty:0
    writeback:0 unstable:0 free:1165
    Mar 22 13:36:57 nebula kernel: DMA free:2160kB min:16kB low:32kB high:48kB
    active:20kB inactive:10856kB present:16384kB
    Mar 22 13:36:57 nebula kernel: protections[]: 8 476 540
    Mar 22 13:36:57 nebula kernel: Normal free:2248kB min:936kB low:1872kB
    high:2808kB active:834960kB inactive:12712kB present:
    901120kB
    Mar 22 13:36:57 nebula kernel: protections[]: 0 468 532
    Mar 22 13:36:57 nebula kernel: HighMem free:252kB min:128kB low:256kB
    high:384kB active:124196kB inactive:4412kB present:130
    560kB
    Mar 22 13:36:57 nebula kernel: protections[]: 0 0 64
    Mar 22 13:36:57 nebula kernel: DMA: 0*4kB 0*8kB 5*16kB 1*32kB 0*64kB
    0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 21
    60kB
    Mar 22 13:36:57 nebula kernel: Normal: 10*4kB 12*8kB 8*16kB 4*32kB 1*64kB
    0*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB
    = 2248kB
    Mar 22 13:36:57 nebula kernel: HighMem: 1*4kB 1*8kB 1*16kB 1*32kB 1*64kB
    1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB
    = 252kB
    Mar 22 13:36:57 nebula kernel: Swap cache: add 5092465, delete 5088319,
    find 1479790/3420811, race 3+141
    Mar 22 13:36:57 nebula kernel: Free swap: 1087816kB
    Mar 22 13:36:57 nebula kernel: 262016 pages of RAM
    Mar 22 13:36:57 nebula kernel: 32624 pages of HIGHMEM
    Mar 22 13:36:57 nebula kernel: 2965 reserved pages
    Mar 22 13:36:57 nebula kernel: 28380 pages shared
    Mar 22 13:36:57 nebula kernel: 4146 pages swap cached


    procs -----------memory---------- ---swap-- -----io---- --system--
    ----cpu----
    r b swpd free buff cache si so bi bo in cs us sy id
    wa
    0 1 74600 4580 476 88172 292 58 449 90 17 165 2 3 49
    45

    It's with
    CONFIG_HIGHMEM4G=y
    CONFIG_HIGHMEM=y


    Where would kernel leaked ram be accounted?

    Regards.
    --
    Pedro Larroy Tovar | Linux & Network consultant | piotr%member.fsf.org

    Software patents are a threat to innovation in Europe please check:
    http://www.eurolinux.org/
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