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Out of memory?

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  • David Given
    I m running Debian etch, and I ve got this really weird problem where my system thinks it s running out of memory and is killing processes. This shouldn t be
    Message 1 of 3 , Jul 14, 2006
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      I'm running Debian etch, and I've got this really weird problem where my
      system thinks it's running out of memory and is killing processes.

      This shouldn't be happening. I have 512MB of swap space, and the syslog
      (appended) indicates that I've got free memory anyway. The process
      that's getting nuked is usually DSPAM, although it's sometimes other
      things. It tends to happen more often when the system's busy.

      Any ideas?

      ---snip---
      Jul 12 23:41:53 pyanfar kernel: oom-killer: gfp_mask=0x200d2, order=0
      Jul 12 23:41:53 pyanfar kernel: Mem-info:
      Jul 12 23:41:53 pyanfar kernel: DMA per-cpu:
      Jul 12 23:41:53 pyanfar kernel: cpu 0 hot: low 0, high 6, batch 1 used:0
      Jul 12 23:41:53 pyanfar kernel: cpu 0 cold: low 0, high 2, batch 1 used:0
      Jul 12 23:41:53 pyanfar kernel: DMA32 per-cpu: empty
      Jul 12 23:41:53 pyanfar kernel: Normal per-cpu: empty
      Jul 12 23:41:53 pyanfar kernel: HighMem per-cpu: empty
      Jul 12 23:41:53 pyanfar kernel: Free pages: 944kB (0kB HighMem)
      Jul 12 23:41:53 pyanfar kernel: Active:4000 inactive:583 dirty:0
      writeback:68 unstable:0 free:236 slab:1302 mapped:3858 pagetables:164
      Jul 12 23:41:53 pyanfar kernel: DMA free:944kB min:724kB low:904kB
      high:1084kB active:16000kB inactive:2332kB present:32768kB
      pages_scanned:4323 all_unreclaimable? no
      Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
      Jul 12 23:41:53 pyanfar kernel: DMA32 free:0kB min:0kB low:0kB high:0kB
      active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
      Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
      Jul 12 23:41:53 pyanfar kernel: Normal free:0kB min:0kB low:0kB high:0kB
      active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
      Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
      Jul 12 23:41:53 pyanfar kernel: HighMem free:0kB min:128kB low:128kB
      high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0
      all_unreclaimable? no
      Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
      Jul 12 23:41:53 pyanfar kernel: DMA: 46*4kB 5*8kB 11*16kB 3*32kB 1*64kB
      1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 944kB
      Jul 12 23:41:53 pyanfar kernel: DMA32: empty
      Jul 12 23:41:53 pyanfar kernel: Normal: empty
      Jul 12 23:41:53 pyanfar kernel: HighMem: empty
      Jul 12 23:41:53 pyanfar kernel: Swap cache: add 646769, delete 646485,
      find 214761/375581, race 0+43
      Jul 12 23:41:53 pyanfar kernel: Free swap = 494940kB
      Jul 12 23:41:53 pyanfar kernel: Total swap = 506008kB
      Jul 12 23:41:54 pyanfar kernel: Free swap: 494940kB
      Jul 12 23:41:54 pyanfar kernel: 8192 pages of RAM
      Jul 12 23:41:54 pyanfar kernel: 420 free pages
      Jul 12 23:41:54 pyanfar kernel: 633 reserved pages
      Jul 12 23:41:54 pyanfar kernel: 1302 slab pages
      Jul 12 23:41:54 pyanfar kernel: 7655 pages shared
      Jul 12 23:41:54 pyanfar kernel: 284 pages swap cached
      ---snip---

      --
      +- David Given --McQ-+ "You cannot truly appreciate _Atlas Shrugged_
      | dg@... | until you have read it in the original Klingon."
      | (dg@...) | --- Sea Wasp on r.a.sf.w
      +- www.cowlark.com --+
    • David Given
      ... Does anyone have any idea what s going on with this? I m completely out of ideas, and given that a few times it s killed exim, I thinking I m losing email.
      Message 2 of 3 , Aug 2, 2006
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        David Given wrote:
        > I'm running Debian etch, and I've got this really weird problem where my
        > system thinks it's running out of memory and is killing processes.
        >
        > This shouldn't be happening. I have 512MB of swap space, and the syslog
        > (appended) indicates that I've got free memory anyway. The process
        > that's getting nuked is usually DSPAM, although it's sometimes other
        > things. It tends to happen more often when the system's busy.
        >
        > Any ideas?

        Does anyone have any idea what's going on with this? I'm completely out
        of ideas, and given that a few times it's killed exim, I thinking I'm
        losing email.

        > ---snip---
        > Jul 12 23:41:53 pyanfar kernel: oom-killer: gfp_mask=0x200d2, order=0
        > Jul 12 23:41:53 pyanfar kernel: Mem-info:
        > Jul 12 23:41:53 pyanfar kernel: DMA per-cpu:
        > Jul 12 23:41:53 pyanfar kernel: cpu 0 hot: low 0, high 6, batch 1 used:0
        > Jul 12 23:41:53 pyanfar kernel: cpu 0 cold: low 0, high 2, batch 1 used:0
        > Jul 12 23:41:53 pyanfar kernel: DMA32 per-cpu: empty
        > Jul 12 23:41:53 pyanfar kernel: Normal per-cpu: empty
        > Jul 12 23:41:53 pyanfar kernel: HighMem per-cpu: empty
        > Jul 12 23:41:53 pyanfar kernel: Free pages: 944kB (0kB HighMem)
        > Jul 12 23:41:53 pyanfar kernel: Active:4000 inactive:583 dirty:0
        > writeback:68 unstable:0 free:236 slab:1302 mapped:3858 pagetables:164
        > Jul 12 23:41:53 pyanfar kernel: DMA free:944kB min:724kB low:904kB
        > high:1084kB active:16000kB inactive:2332kB present:32768kB
        > pages_scanned:4323 all_unreclaimable? no
        > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
        > Jul 12 23:41:53 pyanfar kernel: DMA32 free:0kB min:0kB low:0kB high:0kB
        > active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
        > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
        > Jul 12 23:41:53 pyanfar kernel: Normal free:0kB min:0kB low:0kB high:0kB
        > active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
        > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
        > Jul 12 23:41:53 pyanfar kernel: HighMem free:0kB min:128kB low:128kB
        > high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0
        > all_unreclaimable? no
        > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
        > Jul 12 23:41:53 pyanfar kernel: DMA: 46*4kB 5*8kB 11*16kB 3*32kB 1*64kB
        > 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 944kB
        > Jul 12 23:41:53 pyanfar kernel: DMA32: empty
        > Jul 12 23:41:53 pyanfar kernel: Normal: empty
        > Jul 12 23:41:53 pyanfar kernel: HighMem: empty
        > Jul 12 23:41:53 pyanfar kernel: Swap cache: add 646769, delete 646485,
        > find 214761/375581, race 0+43
        > Jul 12 23:41:53 pyanfar kernel: Free swap = 494940kB
        > Jul 12 23:41:53 pyanfar kernel: Total swap = 506008kB
        > Jul 12 23:41:54 pyanfar kernel: Free swap: 494940kB
        > Jul 12 23:41:54 pyanfar kernel: 8192 pages of RAM
        > Jul 12 23:41:54 pyanfar kernel: 420 free pages
        > Jul 12 23:41:54 pyanfar kernel: 633 reserved pages
        > Jul 12 23:41:54 pyanfar kernel: 1302 slab pages
        > Jul 12 23:41:54 pyanfar kernel: 7655 pages shared
        > Jul 12 23:41:54 pyanfar kernel: 284 pages swap cached
        > ---snip---

        --
        +- David Given --McQ-+ "You cannot truly appreciate _Atlas Shrugged_
        | dg@... | until you have read it in the original Klingon."
        | (dg@...) | --- Sea Wasp on r.a.sf.w
        +- www.cowlark.com --+
      • Mathias Bertelsen
        I have the same problem... my dd process kept getting killed because the system thought it was out of memory despite of the 500mb swap space... so i would
        Message 3 of 3 , Aug 2, 2006
        • 0 Attachment
          I have the same problem... my 'dd' process kept getting killed because the system thought it was out of memory despite of the 500mb swap space... so i would also like to hear if anyone knows what this is about...?

          On 8/2/06, David Given <dg@...> wrote:
          David Given wrote:
          > I'm running Debian etch, and I've got this really weird problem where my
          > system thinks it's running out of memory and is killing processes.
          >
          > This shouldn't be happening. I have 512MB of swap space, and the syslog
          > (appended) indicates that I've got free memory anyway. The process
          > that's getting nuked is usually DSPAM, although it's sometimes other
          > things. It tends to happen more often when the system's busy.
          >
          > Any ideas?

          Does anyone have any idea what's going on with this? I'm completely out
          of ideas, and given that a few times it's killed exim, I thinking I'm
          losing email.

          > ---snip---
          > Jul 12 23:41:53 pyanfar kernel: oom-killer: gfp_mask=0x200d2, order=0
          > Jul 12 23:41:53 pyanfar kernel: Mem-info:
          > Jul 12 23:41:53 pyanfar kernel: DMA per-cpu:
          > Jul 12 23:41:53 pyanfar kernel: cpu 0 hot: low 0, high 6, batch 1 used:0
          > Jul 12 23:41:53 pyanfar kernel: cpu 0 cold: low 0, high 2, batch 1 used:0
          > Jul 12 23:41:53 pyanfar kernel: DMA32 per-cpu: empty
          > Jul 12 23:41:53 pyanfar kernel: Normal per-cpu: empty
          > Jul 12 23:41:53 pyanfar kernel: HighMem per-cpu: empty
          > Jul 12 23:41:53 pyanfar kernel: Free pages:         944kB (0kB HighMem)
          > Jul 12 23:41:53 pyanfar kernel: Active:4000 inactive:583 dirty:0
          > writeback:68 unstable:0 free:236 slab:1302 mapped:3858 pagetables:164
          > Jul 12 23:41:53 pyanfar kernel: DMA free:944kB min:724kB low:904kB
          > high:1084kB active:16000kB inactive:2332kB present:32768kB
          > pages_scanned:4323 all_unreclaimable? no
          > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
          > Jul 12 23:41:53 pyanfar kernel: DMA32 free:0kB min:0kB low:0kB high:0kB
          > active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
          > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
          > Jul 12 23:41:53 pyanfar kernel: Normal free:0kB min:0kB low:0kB high:0kB
          > active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
          > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
          > Jul 12 23:41:53 pyanfar kernel: HighMem free:0kB min:128kB low:128kB
          > high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0
          > all_unreclaimable? no
          > Jul 12 23:41:53 pyanfar kernel: lowmem_reserve[]: 0 0 0 0
          > Jul 12 23:41:53 pyanfar kernel: DMA: 46*4kB 5*8kB 11*16kB 3*32kB 1*64kB
          > 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 944kB
          > Jul 12 23:41:53 pyanfar kernel: DMA32: empty
          > Jul 12 23:41:53 pyanfar kernel: Normal: empty
          > Jul 12 23:41:53 pyanfar kernel: HighMem: empty
          > Jul 12 23:41:53 pyanfar kernel: Swap cache: add 646769, delete 646485,
          > find 214761/375581, race 0+43
          > Jul 12 23:41:53 pyanfar kernel: Free swap  = 494940kB
          > Jul 12 23:41:53 pyanfar kernel: Total swap = 506008kB
          > Jul 12 23:41:54 pyanfar kernel: Free swap:       494940kB
          > Jul 12 23:41:54 pyanfar kernel: 8192 pages of RAM
          > Jul 12 23:41:54 pyanfar kernel: 420 free pages
          > Jul 12 23:41:54 pyanfar kernel: 633 reserved pages
          > Jul 12 23:41:54 pyanfar kernel: 1302 slab pages
          > Jul 12 23:41:54 pyanfar kernel: 7655 pages shared
          > Jul 12 23:41:54 pyanfar kernel: 284 pages swap cached
          > ---snip---

          --
          +- David Given --McQ-+ "You cannot truly appreciate _Atlas Shrugged_
          |  dg@...    | until you have read it in the original Klingon."
          | (dg@...) | --- Sea Wasp on r.a.sf.w
          +- www.cowlark.com --+






          --
          Mvh.
                  Mathias Bertelsen
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