On 10-6-12 下午7:58, Samuel Thibault wrote: > Hello, > > Da Zheng, le Sat 12 Jun 2010 19:46:49 +0800, a écrit : >> Here is what I did. I scp a big file from the Hurd (in the virtual machine) >> to >> the host OS. I check the memory statics with vmstat constantly. After a >> while, I >> can see the physical memory in the hurd system is exhausted and then a >> defpager >> error message. see the picture http://a.imagehost.org/view/0824/Picture_2. > > Mmm, this could just be gnumach not writing back the cached data that Why does gnumach need to write back the data? the data should have been freed. I don't know which program used most memory, but the memory should be considered as free after it is used, instead of being put in the inactive queue. > you transfer through scp soon enough. Really, gnumach is bad at memory > management without some swap to help it when it gets wrong, do give him > some :) I have a swap partition and in /etc/fstab, there is a line: /dev/hd0s2 none swap sw 0 0 The swap should have been enabled, right? I don't know why swapping still doesn't work. I tried swapon -a, and get a message: swapon: /dev/hd0s2: short read 1024 reading Linux swap signature page Is it an error?
Zheng Da
