5
votes
1answer
87 views
+50
How to blacklist a correct bad RAM sector according to MemTest86+ error imdocation?
MemTest86+ (the version included with Ubuntu 13.04) says
Failing address: 002f796c48 - 759.5 MB
What should I specify in the memmap kernel parameter to bypass this area?
I've tried running ...
4
votes
1answer
77 views
Is it possible to lock bad bits in RAM on Linux?
Recently I bought 8 GB of RAM and it has bad bits. Is it possible to lock the bad bits to make Linux avoid them?
15
votes
3answers
592 views
Creating a ram disk on Linux
I have a machine with 62GB of RAM, and a trunk that's only 7GB, so I thought I would create a RAM disk and compile there. I am not a Linux expert. I found instructions on the internet to create the ...
2
votes
0answers
130 views
Is it possible to run any distro from RAM from within an .iso saved on an NTFS file system?
Running entirely from RAM been done on various distros such as Slax, DamnSmallLinux, and newer Ubuntu versions, and since I have 8GB it seems reasonable that I could run many distros entirely from RAM ...
1
vote
2answers
73 views
TLB cache flusing when a page is swapped out
I recently heard that Linux simply flushes the TLB cache when the corresponding data in that physical address is swapped out, resulting in underutilization of the TLB. I don't know whether all OSes do ...
3
votes
0answers
91 views
My SMDK2416 (for s3c2416) kernel works on 64MRAM but crashed on 128M
I'm currently working on embedded arm linux with smdk2416(s3c2416)
The kernel is working on the 64MRAM. Recently, I need to increase the RAM from 64M to 128MB with 64MB on bank0 and 64MB on bank1.
...
4
votes
1answer
140 views
Limit disk buffer usage in SLES 11SP2 to allow more efficient memory overcommit on esxi host
When running VMs on an ESXi host, you can overcommit the memory.
Example: host == 20GB physical RAM
The amount of RAM allocated to each VM is
VM1 == 10gb
VM2 == 10gb
VM3 == 10gb
VM4 == 10gb
The ...
3
votes
2answers
165 views
Shouldn't there be more RAM free than this? [duplicate]
Possible Duplicate:
Correctly determining memory usage in Linux
I see that almost all my RAM is in use. Is this bad? Strange thing is I don't see what is actually using the RAM.
1
vote
4answers
2k views
How to find information about the RAM using the Terminal? [duplicate]
Possible Duplicate:
Can I identify my RAM without shutting down linux?
I need to know it to check the compatibility... I wanna know the type/size/model, etc. Can someone help? Thanks.
5
votes
3answers
3k views
64-bit Linux doesn't recognize my RAM between 3 and 32 GB
My problems were caused by a faulty memory module and quite possibly a broken kernel binary.
I just now booted my PC with basically brand new hardware. I've been running Debian 6.0 AMD64 before, ...
5
votes
2answers
928 views
Is there a way to speed up boot time by loading things into RAM immediately?
I'm looking to lower my boot time by whatever means possible. I have about 8GB of RAM in my laptop, and if there's any way I could leverage that into faster boot time, that'd be awesome. Is there a ...
