O.k. I just upgraded the TT-RAM from 128MB to 256MB and now the kernel crashes with this. Notice that node_mem_map is 00000000 for the TT-RAM now. Any ideas ? Alan. Linux version 3.2.0-atari-12913-g35c175f-dirty (root@server) (gc c version 4.5.3 (Gentoo 4.5.3-r1 p1.0, pie-0.4.5) ) #43 Tue Jan 10 12:31:31 GMT 2012 console [debug0] enabled Atari hardware found: TT_SHIFTER ST_MFP TT_MFP TT_SCSI_DMA TT_SCSI YM2149 PCM SC C_DMA SCC VME SCU MICROWIRE TT_CLK FDC_SPEED ACSI On node 0 totalpages: 1024 free_area_init_node: node 0, pgdat 00211380, node_mem_map 00241000 DMA zone: 9 pages used for memmap DMA zone: 0 pages reserved DMA zone: 1015 pages, LIFO batch:0 On node 1 totalpages: 65536 free_area_init_node: node 1, pgdat 00211d10, node_mem_map 00000000 DMA zone: 576 pages used for memmap DMA zone: 0 pages reserved DMA zone: 64960 pages, LIFO batch:15 Data read fault at 0x00000000 in Super Data (pc=0x237828) BAD KERNEL BUSERR Oops: 00000000 Modules linked in: PC: [<00237828>] memmap_init_zone+0x94/0x11a SR: 2704 SP: 001ffe74 a2: 002002e0 d0: 00000000 d1: 00000000 d2: 00001000 d3: 00000000 d4: 00000000 d5: 00000001 a0: 00211d10 a1: 00211f40 Process swapper (pid: 0, task=002002e0) Frame format=B ssw=074d isc=0281 isb=07ff daddr=00000000 dobuf=00000000 baddr=0023782c dibuf=00000022 ver=f Stack from 001ffefc: 00000000 00010000 00001000 00000000 00211f18 00000230 00211d10 00000000 0018aba4 00000000 0022b720 00010000 00000001 00000000 00001000 00000000 00000001 001fffa4 00001000 11000000 00091af8 00085c28 00210d10 00212680 0022b414 001fffb0 00211d10 0000000c 001fffa8 00000001 00228dc4 00000001 001fffa4 00001000 00000000 00228f8c 000e07a2 00000000 00000000 0023c0ac 0018aba4 00210d04 00010000 00000000 00000000 001fffd0 00228156 0023b0ae Call Trace: [<00010000>] tblpre+0x10c/0x780 [<00001000>] kernel_pg_dir+0x0/0x1000 [<0018aba4>] printk+0x0/0x1c [<0022b720>] free_area_init_node+0x30c/0x328 [<00010000>] tblpre+0x10c/0x780 [<00001000>] kernel_pg_dir+0x0/0x1000 [<00001000>] kernel_pg_dir+0x0/0x1000 [<00091af8>] __blockdev_direct_IO+0x1d62/0x25b0 [<00085c28>] wb_writeback+0x72/0x170 [<0022b414>] free_area_init_node+0x0/0x328 [<00228dc4>] paging_init+0x2ac/0x2dc [<00001000>] kernel_pg_dir+0x0/0x1000 [<00228f8c>] atari_parse_bootinfo+0x0/0x2e [<000e07a2>] strlcpy+0x0/0x46 [<0018aba4>] printk+0x0/0x1c [<00010000>] tblpre+0x10c/0x780 [<00228156>] setup_arch+0x1a0/0x268 [<00001000>] kernel_pg_dir+0x0/0x1000 [<00225d4c>] start_kernel+0x6a/0x36e [<00001000>] kernel_pg_dir+0x0/0x1000 [<0022531e>] _sinittext+0x31e/0x9c0 -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html