Hi, On Mon, Dec 5, 2011 at 11:12 PM, Arnaud Lacombe <lacombar_at_gmail.com> wrote: > On Mon, Dec 5, 2011 at 5:15 PM, Arnaud Lacombe <lacombar_at_gmail.com> wrote: >> Hi, >> >> The kernel tree is utterly broken when PAE is enabled, it chokes >> [non-exclusively] on the following: >> > After finally having been able to complete a build, the resulting > kernel miserably panics on: > > real memory: 25769803776 (24576 MB) > panic: kmem_suballoc: bad status return of 3 > Just for the fun, after having fought for 8h for nearly nothing with FreeBSD, I thought it would be fair to give it a try with Linux, say the latest -rc, that is 3.2-rc3, with a snapshot of the upcoming openwrt. The result: root_at_OpenWrt:/# free total used free shared buffers Mem: 16628216 14864 16613352 0 236 -/+ buffers: 14628 16613588 Swap: 0 0 0 total time spent to get to userland: about 30 min. too easy... Let's give it a try with a system with 32GB of RAM: root_at_OpenWrt:/# free total used free shared buffers Mem: 33274356 17124 33257232 0 252 -/+ buffers: 16872 33257484 Swap: 0 0 0 d'oh! ok, I'm not entirely honest, tmpfs chocked: tmpfs: Bad value '1.70365e+10' for mount option 'size'. Let's give it a try with 60GB now: root_at_OpenWrt:/# free total used free shared buffers Mem: 62405104 17116 62387988 0 256 -/+ buffers: 16860 62388244 Swap: 0 0 0 damn... Linux' no fun... :-( - Arnaud ps: the kernel actually panic with the full 64GB of RAM, while mounting the filesystem.Received on Tue Dec 06 2011 - 04:19:25 UTC
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