the system hangs temporary when the cpu is busy filling the swap !

[amime]

<<Temporarily >>
sorry for the weak language skills
----------------------------------------------------------------------------------
I am running ubuntu 10.04



uname -a
Linux ****** 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:24:04 UTC 2010 i686 GNU/Linux
writing large amounts of data to the swap partition causes the system
to hang for a while and struggle until i reboot it ...

actually , that happens when there is a non-responding process hugging most of system resources in the background ...

is there any other solution beside rebooting ...

p.s. killing that specific non-responding process will retrieve the system functionality a little but not totally ...

thanks buddies

[LowSky]

we need a bunch more info on what is going wrong

What program/process is causing the lock-up
Can you please list your computer's hardware? How much RAM specifically would be great.

[amime]

we need a bunch more info on what is going wrong

What program/process is causing the lock-up
Can you please list your computer's hardware? How much RAM specifically would be great.

CPU : intel core2duo 2 GHz
Ram : 2 GB DDR
swap : /dev/sda10 which is a hard disk partition (700 MB ) , but i switch it off with :


sudo swapoff /dev/sda10
and then switch on a formatted usb mobile disk (4GB ) as LinuxSwap with :


sudo swapon /dev/sdb1
processes usually cause the problem :
mplayer
VirtualBox
firefox
Gnome-do
.....
the system and all of application are up to date .







cat /proc/cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T5750 @ 2.00GHz
stepping : 13
cpu MHz : 1000.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm lahf_lm
bogomips : 3990.00
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T5750 @ 2.00GHz
stepping : 13
cpu MHz : 1000.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
apicid : 1
initial apicid : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm lahf_lm
bogomips : 3990.07
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:



cat /proc/meminfo

MemTotal: 2052392 kB
MemFree: 148792 kB
Buffers: 313720 kB
Cached: 827316 kB
SwapCached: 0 kB
Active: 1059708 kB
Inactive: 705720 kB
Active(anon): 495688 kB
Inactive(anon): 214400 kB
Active(file): 564020 kB
Inactive(file): 491320 kB
Unevictable: 48 kB
Mlocked: 48 kB
HighTotal: 1178440 kB
HighFree: 4124 kB
LowTotal: 873952 kB
LowFree: 144668 kB
SwapTotal: 3991892 kB
SwapFree: 3991892 kB
Dirty: 44 kB
Writeback: 0 kB
AnonPages: 624440 kB
Mapped: 114140 kB
Shmem: 85704 kB
Slab: 93440 kB
SReclaimable: 74500 kB
SUnreclaim: 18940 kB
KernelStack: 2960 kB
PageTables: 9988 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 5018088 kB
Committed_AS: 1916716 kB
VmallocTotal: 122880 kB
VmallocUsed: 31268 kB
VmallocChunk: 65148 kB
HardwareCorrupted: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 4096 kB
DirectMap4k: 16376 kB
DirectMap4M: 892928 kB