On Mon, Jan 15, 2001 at 10:21:27PM +0100, Maciej W. Rozycki wrote: > Thanks for a useful report. I am the responsible person, it would seem, > as I've rewritten the bootmem allocation code recently to make it > consistent across all the subports and more flexible as well. I could > only test the DECstation code so it's possible I screwed up things > elsewhere. I'll look at the code and I'll provide a patch, either a fix, > if I am able to develop it immediately or some debugging code otherwise. > > As I see prink() works for you could you please also check and report the > memory map as found by the kernel, i.e. the lines output after "Determined > physical RAM map:", if any? The code is executed very early, before an > actual allocation takes place, so it should run regardless. Ok - when i do this ... Index: arch/mips/arc/memory.c =================================================================== RCS file: /cvs/linux/arch/mips/arc/memory.c,v retrieving revision 1.17 diff -u -r1.17 memory.c --- arch/mips/arc/memory.c 2001/01/03 18:15:24 1.17 +++ arch/mips/arc/memory.c 2001/01/16 13:53:45 @@ -120,7 +120,7 @@ unsigned long base, size; long type; - base = __pa(p->base << PAGE_SHIFT); /* Fix up from KSEG0 */ + base = p->base << PAGE_SHIFT; size = p->pages << PAGE_SHIFT; type = prom_memtype_classify(p->type); I get further down the road with memory initialisation. Also the pages no in zone(0) looks much saner: Before: On node 0 totalpages: 589824 zone(0): 589824 pages. After: On node 0 totalpages: 65536 zone(0): 65536 pages. Later on it crashes with: [...] start_kernel, 541 start_kernel, 543 Calibrating system timer... 1250000 [250.00 MHz CPU] Got a bus error IRQ, shouldn't happen yet $0 : 00000000 1004fc00 00000001 00000000 $4 : 88009cd8 00000000 00000008 00000000 $8 : 1004fc01 1000001f 0000000a 00000001 $12: 00000000 00000004 00000000 00000001 $16: 00000000 00000002 0000000a 880083d8 $20: 00000001 a8746f70 9fc5c2b4 00000000 $24: 00002590 00000001 $28: 88008000 88009cd8 00000001 88010118 epc : 880127b0 Status: 1004fc03 Cause : 10004000 Status: 1004fc03 Cause : 10004000 Cause : 10004000 Spinning... Flo -- Florian Lohoff flo@rfc822.org +49-5201-669912 Why is it called "common sense" when nobody seems to have any?