I suspect you're missing this patch, which is in the current tree. -Dale
===== setup.c 1.59 vs 1.60 ===== --- 1.59/arch/ppc/kernel/setup.c 2004-07-26 15:27:53 -07:00 +++ 1.60/arch/ppc/kernel/setup.c 2004-08-16 09:04:08 -07:00 @@ -744,6 +744,10 @@ if ( ppc_md.progress ) ppc_md.progress("ocp: exit", 0x3eab); #endif +#ifdef CONFIG_DUMMY_CONSOLE + conswitchp = &dummy_con; +#endif + ppc_md.setup_arch(); if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab); On Tue, Nov 02, 2004 at 07:24:11PM +0000, Vladimir wrote: > On Tuesday 02 November 2004 03:54, Vladimir wrote: > > Hello All ! > > I'm trying to run linux (2.4.22) on embedded PowerPC (405GP). It boots > > nice, but when it tries to execute /sbin/init it hangs. Last console > > messages are: > > > > VFS: Mounted root (nfs filesystem). > > Freeing unused kernel memory: 56k init 4k prep > > > > I've tried to replace /sbin/init by my own executable - it's definitely > > have not been executed. > > I've traced it to the "last point" in kernel-mode (instruction rfi in file > > arch/ppc/kernel/entry.S:389). Before this point everything is all right. > > But after this instruction kernel just hangs. > > After this sysrq-t prints that process init are running at c0007190 (this > > is in the arch_kernel_thread). > > sysrq-p does not print any registers, just the line "SysRq : Show Regs". > > > > Could someone give me any tips how to fix this trouble ? > > Hello All ! > I've tried linux 2.6.8.1 and it gives me the following oops: > > VFS: Mounted root (nfs filesystem) readonly. > Freeing unused kernel memory: 68k init > Oops: kernel access of bad area, sig: 11 [#1] > NIP: C00C032C LR: C00C0518 SP: C3F87D90 REGS: c3f87ce0 TRAP: 0300 Not > tainted > MSR: 00029230 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 > DAR: 00000000, DSISR: 00000000 > TASK = c3f859c0[1] 'init' THREAD: c3f86000Last syscall: 5 > PLB0: bear= 0x00a2f48e acr= 0x00000000 besr= 0x00000000 > PLB0 to OPB: bear= 0x0a201000 besr0= 0x00000000 besr1= 0x00000000 > > GPR00: 00000000 C3F87D90 C3F859C0 00000000 00000001 00000000 C027EF50 C3FED0D0 > GPR08: 00000080 00000000 C027EE00 C027EE00 22000022 1001F0B8 03FE3200 007FFF2B > GPR16: 00000000 00000001 007FFF00 FFFFFFFF 03FDE850 00000000 03F9FE88 00000001 > GPR24: 00000102 10005844 C01D1410 00000001 00000000 C01D1794 00000000 00000000 > NIP [c00c032c] visual_init+0xa0/0x1c4 > LR [c00c0518] vc_allocate+0xc8/0x150 > Call trace: > [c00c0518] vc_allocate+0xc8/0x150 > [c00c42c0] con_open+0x50/0xc0 > [c00b200c] tty_open+0x2a4/0x548 > [c0057c44] chrdev_open+0xf0/0x184 > [c004cc74] dentry_open+0x164/0x26c > [c004cb0c] filp_open+0x68/0x6c > [c004d030] sys_open+0x68/0xa0 > [c0004540] ret_from_syscall+0x0/0x48 > Kernel panic: Attempted to kill init! > <0>Rebooting in 180 seconds..