[Fwd: Re: swap is never used on ultrasparc64/32 - 2.6.11-rc2 (STILL
is 2.6 usable anyway on ultra 5 sun ?
Signature · 1 line
GJ
Odd, see this:
[root@smark root]# cat /proc/meminfo
MemTotal: 123496 kB MemFree: 61104 kB Buffers: 6776 kB Cached: 16752 kB SwapCached: 0 kB Active: 36280 kB Inactive: 11824 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 123496 kB LowFree: 61104 kB SwapTotal: 127984 kB SwapFree: 127984 kB Dirty: 360 kB Writeback: 48 kB Mapped: 18446744073652757328 kB Slab: 6912 kB CommitLimit: 189728 kB Committed_AS: 46032 kB PageTables: 952 kB VmallocTotal: 3145728 kB VmallocUsed: 1520 kB VmallocChunk: 3144176 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 512 kB
Quoted 60 lines · Grzegorz Piotr Jaskiewicz
I've 2.6.11-rc2 sparc64 kernel, userland is 32bits.
I was compiling few things, fired up firefox, and kaboom. No memory.
Meanwhile, I runned swapoff -a, mkswap -v1
/dev/hda2, swapon -a, and tried to replace swap partition with swap file, which didn't worked either. Here's dmesg:oom-killer: gfp_mask=0x1d2
DMA per-cpu:
cpu 0 hot: low 6, high 18, batch 3
cpu 0 cold: low 0, high 6, batch 3
Normal per-cpu: empty
HighMem per-cpu: emptyFree pages: 3520kB (0kB HighMem)
Active:28 inactive:13023 dirty:0 writeback:0 unstable:0 free:440 slab:908 mapped:18446744073704443093 pagetables:167 DMA free:3520kB min:1408kB low:1760kB high:2112kB active:224kB inactive:104184kB present:125192kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
HighMem free:0kB min:256kB low:320kB high:384kB active:0kB inactive:0kB present:0kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
DMA: 240*8kB 14*16kB 1*32kB 1*64kB 2*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 3520kB
Normal: empty
HighMem: empty
Swap cache: add 310, delete 310, find 41/50, race 0+0
Out of Memory: Killed process 15926 (mozilla-bin).
Out of Memory: Killed process 15923 (mozilla-bin).
Out of Memory: Killed process 15927 (mozilla-bin).
Out of Memory: Killed process 15931 (mozilla-bin).
ioctl32(esd:16474): Unknown cmd fd(10) cmd(40045500){00} arg(efffe35c) on/dev/snd/controlC0
oom-killer: gfp_mask=0x1d2
DMA per-cpu:
cpu 0 hot: low 6, high 18, batch 3
cpu 0 cold: low 0, high 6, batch 3
Normal per-cpu: empty
HighMem per-cpu: emptyFree pages: 2312kB (0kB HighMem)
Active:14 inactive:13186 dirty:0 writeback:0 unstable:0 free:289 slab:895 mapped:18446744073704347582 pagetables:161 DMA free:2312kB min:1408kB low:1760kB high:2112kB active:112kB inactive:105488kB present:125192kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
HighMem free:0kB min:256kB low:320kB high:384kB active:0kB inactive:0kB present:0kB pages_scanned:0all_unreclaimable? no protections[]: 0 0 0
DMA: 95*8kB 11*16kB 1*32kB 1*64kB 2*128kB 2*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 2312kB
Normal: empty
HighMem: empty
Swap cache: add 310, delete 310, find 41/50, race 0+0
Out of Memory: Killed process 16456 (firefox-bin).
Out of Memory: Killed process 16450 (firefox-bin).
Out of Memory: Killed process 16457 (firefox-bin).
Out of Memory: Killed process 16461 (firefox-bin).
Adding 249936k swap on/dev/hda2. Priority:-2 extents:1
ioctl32(esd:16742): Unknown cmd fd(10) cmd(40045500){00} arg(efffe35c) on/dev/snd/controlC0
Adding 127984k swap on /swap. Priority:-3 extents:5
Quoted 2 lines
top shows that swap memory is present, but it never get used.
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