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From: | Riccardo Mottola |
Subject: | Re: aptitude not working |
Date: | Mon, 14 Nov 2016 11:53:44 +0100 |
User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:43.0) Gecko/20100101 Firefox/43.0 SeaMonkey/2.40 |
Hi, Richard Braun wrote:
Yes, but specifically : vm_page: page table size: 786414 entries (43008k) vm_page: DMA: pages: 4080 (15M), free: 0 (0M) vm_page: DMA: min:500 low:600 high:1000 vm_page: DIRECTMAP: pages: 233472 (912M), free: 217899 (851M) vm_page: DIRECTMAP: min:11673 low:14008 high:23347 the "high" threshold. If you add all the high thresholds together, you'll know how much memory must be free before the pageout daemon stops.
I increased the allocated RAM size of the VM to 1024MB and now I read this: page table size: 262112 entries (14335)( DMA: pages 4080 (15M), free: 0 (0M) DMA: min:500 low:600 high:1000 DIRECTMAP: pages: 233472 (912M), free: 227669 (889M) DIRECTMAP: pages min:1228 low:1473 high:2456 HIGHMEM: pages: 24560 (95M), free: 0 (0M) HIGHMEM: min: 1228 low:1473 high:2456(btw: can you read out these values later on, with a command similar to dmesg? pausing VirtualBOX and typing out things is boring)
From what you describe, it doesn't seem to be a hang caused by this. With your amount of memory, you shouldn't even have a HIGHMEM segment, which makes bugs even less likely. So I don't know what happened to your system, or if you're doing something wrong or not. I've just installed a Hurd system on a VM myself, and I had paging problems when upgrading from the snapshot to unstable, but once I assigned 2g of RAM, I could upgrade without too much trouble with aptitude. I use it on all my machines, Linux and Hurd, and never have such issues.
Now with 1024MB I do have a highmem segment. The issue still happens. Is it actually safer to go back to 768? Aptitude doesn't seem to be memory-bound.
I think something dies: it might have to do with the console, I find it strange that if I type into aptitude while it appears hanging, after killing it in ctrl-c I actually see what I type in console. Do you want a screenshot?
I did an upgrade with apt-get which works fine and which included an aptitude update. I retried aptitude afterwards: having updated everything with apt-get, I just tried to remove package, thus, no actual download needed! Yet it hangs.
If I am doing something wrong, I guess it is not in the usage of aptitude itself, but more in something in my HURD setup?
Riccardo
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