-----Original Message----- From: Joakim Tjernlund [mailto:[EMAIL PROTECTED] Sent: 28 November 2005 10:53 To: Chris Down; linuxppc-embedded at ozlabs.org Subject: RE: Badness in 2.6.15-rc1 on 8xx
> Anyone seen this when booting 2.6.15-rc1 on 8xx? > Mount-cache hash table entries: 512 > Badness in dma_alloc_init at arch/ppc/kernel/dma-mapping.c:346 > Call trace: > [c00039e8] check_bug_trap+0x80/0xa8 > [c0003c1c] program_check_exception+0x20c/0x480 > [c00031e0] ret_from_except_full+0x0/0x4c > [c01b86b8] dma_alloc_init+0x40/0xcc > [c000225c] init+0x8c/0x288 > [c00050ac] kernel_thread+0x44/0x60 > NET: Registered protocol family 16 > The kernel boots just fine into user space so it seems harmless, but I > suspect it will bite me later. > > > I am currently working with 2.6.15-rc1 on MPC852 and I am > seeing a similar > problem. > > Badness in dma_alloc_init at arch/ppc/kernel/dma-mapping.c:346 > Call trace: > [c00036f8] check_bug_trap+0xa4/0xb8 > [c0003f9c] program_check_exception+0x2f0/0x4c4 > [c0003320] ret_from_except_full+0x0/0x4c > [c024c530] dma_alloc_init+0x3c/0xbc > [c0002280] init+0xbc/0x25c > [c000538c] kernel_thread+0x44/0x60 > > Have not had time to look at it yet, however I was not getting this on > 2.6.11. > > Chris Let me guess you have IMAP_ADDR set to 0xff000000? Then you need to change CONSISTENT_START to something else(like 0xffa00000). Its somwhere in the Advanced setup. Jocke You are correct I do have IMAP_ADDR set to 0xff000000 and setting CONSISTENT_START to 0xffa00000 solves the problem. Chris