Messages in this thread | | | Date | Fri, 19 Feb 1999 00:07:54 +0100 | From | Ulf Carlsson <> | Subject | Re: 2.2.x memory allocation (was Re: TEAC CD-R55S doesn't work) |
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> Hmm... I think there's something wrong with the way 2.2.1 allocates memory... > ... as in there seems to be no memory for some parts of the kernel... like > DMA:ble memory for example > let me show you what trying to get sound working w/ 2.2.1 gave me:
[snip]
When you check if you can allacate a DMA buffer you cannot just check how much free RAM you have. You have to check if those pages are in blocks which are large enough. If your memory is very fragmented you might very well be unable to allocate a big DMA buffer. Check this with alt-sysrq-m.
- Ulf
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