Hi Rune, I tried what you suggested. With no luck.
I enabled CONFIG_HIGHMEM=y Now I panic when when unpacking_rootfs. ... Memory: 2076148k available (2160k kernel code, 764k data, 144k init, 1048572k highmem) Mount-cache hash table entries: 512 checking if image is initramfs...Oops: kernel access of bad area, sig: 11 [#1] NIP: A02A9618 LR: A02A9598 CTR: A002EAE8 REGS: dfc01e60 TRAP: 0300 Not tainted (2.6.19.2) MSR: 00029000 <EE,ME> CR: 24000084 XER: 00000000 DAR: 1FDEA000, DSISR: 00000000 TASK = a13e4ba0[1] 'swapper' THREAD: dfc00000 GPR00: 00000000 DFC01F10 A13E4BA0 DFC10000 000000D0 00000001 2D89B700 A02C0000 GPR08: DFC01D18 A02C0000 00000000 A02C3F78 24000084 70000000 A02D0000 00000000 GPR16: 00000001 00800000 7FFFF0FC 00000000 A02C0000 A02C0000 7FFEE61C 00000001 GPR24: 00000000 007FFE70 00000D80 00184F9D 1FDEA000 A02D0000 A00012F8 A02D0000 NIP [A02A9618] unpack_to_rootfs+0xdc/0xa54 LR [A02A9598] unpack_to_rootfs+0x5c/0xa54 Call Trace: [DFC01F10] [A02A9598] unpack_to_rootfs+0x5c/0xa54 (unreliable) [DFC01F60] [A02AA050] populate_rootfs+0x7c/0x104 [DFC01F80] [A0001328] init+0x30/0x2a4 [DFC01FF0] [A00047E0] kernel_thread+0x44/0x60 Instruction dump: 912b0000 3ce0a02c 3d20a02c 914b0004 90074038 90093f8c 3ce0a02c 80074038 2f800000 409e0054 2f9b0000 419e004c <881c0000> 39753f78 2f800030 82cb0000 This is the same if I have CONFIG_HIGHMEM disabled. The only difference is highmem now shows up as 0k. Memory: 2076148k available (2160k kernel code, 764k data, 144k init, 0k highmem) Mount-cache hash table entries: 512 checking if image is initramfs...Oops: kernel access of bad area, sig: 11 [#1] ... Vincitore On 12/28/07, Rune Torgersen <[EMAIL PROTECTED]> wrote: > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] > > g] On Behalf Of Vincitore > > Sent: Friday, December 28, 2007 8:00 AM > > To: linuxppc-embedded@ozlabs.org > > Subject: How can I support 2GB of memory in Linux kernel on 440SPe > > > > Hi, > > > > I need to support 2GB of memory on a custom 440SPe board. > > > > I see to support 1GB of memory on the 440SPe yucca board the following > > configuration changes were done. > > Just leave the configuration for 1 GB, and enable CONFIG_HIGHMEM > That gives you 2 (or more) GB of RAM, with 1G as lowmwm. > _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded