OPENCORES.ORG

From: xianfeng zeng<xianfeng.zeng@g...>
Date: Thu Sep 4 12:43:53 CEST 2008
Subject: [openrisc] serial8250: too much work for irq2

Hi, Jeremy,

You wrote on Sep. 02 for this issue: by Jeremy Bennett <attachment.html linux-2.6.23]# or32-uclinux-sim -f sim.cfg vmlinux Reading script file from 'sim.cfg'... WARNING: config.memory: Invalid parameter: bus; ignoring. WARNING: config.memory: Invalid parameter: bus; ignoring. WARNING: config.memory: Invalid parameter: bus; ignoring. WARNING: config.immu: Invalid parameter: bus; ignoring. WARNING: config.dmmu: Invalid parameter: bus; ignoring. WARNING: config.ic: Invalid parameter: bus; ignoring. WARNING: config.dc: Invalid parameter: bus; ignoring. WARNING: config.cpu: Invalid parameter: bus; ignoring. WARNING: config.cpu: Invalid parameter: dbus; ignoring. WARNING: config.pm: Invalid parameter: bus; ignoring. WARNING: config.debug: Invalid parameter: bus; ignoring. WARNING: config.mc: Invalid parameter: bus; ignoring. WARNING: config.uart: Invalid parameter: bus; ignoring. WARNING: config.dma: Invalid parameter: bus; ignoring. WARNING: config.ethernet: Invalid parameter: bus; ignoring. WARNING: config.gpio: Invalid parameter: bus; ignoring. WARNING: config.vga: Invalid parameter: bus; ignoring. WARNING: config: Unknown section: tick; ignoring. WARNING: config: Unknown section: pic; ignoring. WARNING: config.fb: Invalid parameter: bus; ignoring. WARNING: config.kbd: Invalid parameter: bus; ignoring. WARNING: config.ata: Invalid parameter: bus; ignoring. Verbose on, simdebug off, interactive prompt off Machine initialization... Clock cycle: 10us No data cache. No instruction cache. BPB simulation off. BTIC simulation off. Building automata... done, num uncovered: 0/213. Parsing operands data... done. loadcode: filename vmlinux startaddr=00000000 virtphy_transl=00000000 Not COFF file format ELF type: 0x0002 ELF machine: 0x005c ELF version: 0x00000001 ELF sec = 37 Section: .text, vaddr: 0xc0000000, paddr: 0xf0000000 offset: 0x00002000, size: 0x0026b910 Section: .text.init.refok, vaddr: 0xc026b910, paddr: 0xf026b910 offset: 0x0026d910, size: 0x000004a0 Section: .rodata, vaddr: 0xc026c000, paddr: 0xf026c000 offset: 0x0026e000, size: 0x0002f52e Section: __param, vaddr: 0xc029b530, paddr: 0xf029b530 offset: 0x0029d530, size: 0x00000258 Section: __ex_table, vaddr: 0xc029c000, paddr: 0xf029c000 offset: 0x0029e000, size: 0x00000d70 Section: .data, vaddr: 0xc029e000, paddr: 0xf029e000 offset: 0x002a0000, size: 0x0001775c Section: .data.cacheline_aligned, vaddr: 0xc02b5760, paddr: 0xf02b5760 offset: 0x002b7760, size: 0x000000d0 Section: .data.init_task, vaddr: 0xc02b6000, paddr: 0xf02b6000 offset: 0x002b8000, size: 0x00002000 Section: .init.text, vaddr: 0xc02b8000, paddr: 0xf02b8000 offset: 0x002ba000, size: 0x00018b10 Section: .init.data, vaddr: 0xc02d0b10, paddr: 0xf02d0b10 offset: 0x002d2b10, size: 0x00000820 Section: .init.setup, vaddr: 0xc02d1330, paddr: 0xf02d1330 offset: 0x002d3330, size: 0x00000234 Section: .initcall.init, vaddr: 0xc02d1564, paddr: 0xf02d1564 offset: 0x002d3564, size: 0x000001a4 Section: .con_initcall.init, vaddr: 0xc02d1708, paddr: 0xf02d1708 offset: 0x002d3708, size: 0x00000008 Section: .init.ramfs, vaddr: 0xc02d2000, paddr: 0xf02d2000 offset: 0x002d4000, size: 0x00002000 Section: .initrd, vaddr: 0xc02d4000, paddr: 0xf02d4000 offset: 0x002d6000, size: 0x00200000 WARNING: dependstats stats must be enabled to do history analisis. WARNING: Unable to open RX file stream. Cannot open Ethernet RX file "eth0.rx" UART at 0x90000000 Resetting memory controller. Resetting Tick Timer. Resetting Power Management. Resetting PIC. Starting at 0x00000000 Copying Linux... Ok, booting the kernel. ****************** counters reset ****************** cycles 154534346, insn #10632683 ****************** counters reset ****************** Cannot open Ethernet RX file "eth0.rx" Linux version 2.6.23-or32 (attachment.html) (gcc version 4.2.2) #6 Thu Sep 4 17:20:56 HKT 2008 Detecting Processor units: Signed 0x391 Setting up paging and PTEs. write protecting ro sections (0xc0002000 - 0xc029c000) Setting up identical mapping (0x80000000 - 0x90000000) Setting up identical mapping (0x92000000 - 0x92002000) Setting up identical mapping (0xb8070000 - 0xb8072000) Setting up identical mapping (0x97000000 - 0x97002000) Setting up identical mapping (0x99000000 - 0x9a000000) Setting up identical mapping (0x93000000 - 0x93002000) Setting up identical mapping (0xa6000000 - 0xa6100000) Setting up identical mapping (0x1e50000 - 0x1fa0000) dtlb_miss_handler c00040c8 itlb_miss_handler c00041a8 Built 1 zonelists in Zone order. Total pages: 3953 Kernel command line: PID hash table entries: 128 (order: 7, 512 bytes) start_kernel(): bug: interrupts were enabled early Console: colour dummy device 80x25 Dentry cache hash table entries: 4096 (order: 1, 16384 bytes) Inode-cache hash table entries: 2048 (order: 0, 8192 bytes) Memory: 26272k/31744k available (2478k kernel code, 5472k reserved, 295k data, 112k init, 0k highmem) Mount-cache hash table entries: 1024 NET: Registered protocol family 16 NET: Registered protocol family 2 IP route cache hash table entries: 2048 (order: 0, 8192 bytes) TCP established hash table entries: 1024 (order: 0, 8192 bytes) TCP bind hash table entries: 1024 (order: -1, 4096 bytes) TCP: Hash tables configured (established 1024 bind 1024) TCP reno registered checking if image is initramfs...it isn't (bad gzip magic numbers); looks like an initrd Freeing initrd memory: 2048k freed eth0: Open Ethernet Core Version 1.0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 2048 (order 0, 8192 bytes) Installing knfsd (copyright (C) 1996 attachment.html). io scheduler noop registered io scheduler anticipatory registered (default) io scheduler deadline registered io scheduler cfq registered Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled serial8250.0: ttyS0 at MMIO 0x90000000 (irq = 2) is a 16550A console [ttyS0] enabled RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize loop: module loaded TCP cubic registered NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 15 RAMDISK: ext2 filesystem found at block 0 RAMDISK: Loading 2048KiB [1 disk] into ram disk... done. VFS: Mounted root (ext2 filesystem) readonly. Freeing unused kernel memory: 112k freed init started: BusyBox v1.7.5 (2008-09-04 17:07:38 HKT) starting pid 16, tty '': '/etc/init.d/rcS' starting pid 22, tty '': '/bin/sh' BusyBox v1.7.5 (2008-09-04 17:07:38 HKT) built-in shell (ash) Enter 'help' for a list of built-in commands. -sh: can't access tty; job control turned off # mount mount rootfs on / type rootfs (rw) /dev/root on / type ext2 (ro) tmpfs on /var type tmpfs (rw) devpts on /dev/pts type devpts (rw) sysfs on /sys type sysfs (rw) proc on /proc type proc (rw) # # cd / cd / # # ls -l ls -l drwxr-xr-x 2 0 0 1024 Sep 4 2008 bin drwxr-xr-x 4 0 0 1024 Sep 4 2008 dev drwxr-xr-x 3 0 0 1024 Sep 4 2008 etc drwxr-xr-x 2 0 0 1024 Mar 20 2007 home lrwxrwxrwx 1 0 0 11 Sep 4 2008 linuxrc -> bin/busybox dr-xr-xr-x 24 0 0 0 Apr 11 11:48 proc drwxr-xr-x 2 0 0 1024 Mar 20 2007 root drwxr-xr-x 2 0 0 1024 Sep 4 2008 sbin drwxr-xr-x 10 0 0 0 Apr 11 11:48 sys drwxr-xr-x 2 0 0 1024 Mar 20 2007 tmp drwxr-xr-x 3 0 0 1024 Sep 4 2008 usr drwxr-xr-x 5 0 0 0 Apr 11 11:49 var # # ls /proc ls /proc ls: can't open '/proc': Unknown error 22 # # umount /proc serial8250: too much work for irq2 serial8250: too much work for irq2 serial8250: too much work for irq2 serial8250: too much work for irq2 serial8250: too much work for irq2 serial8250: too much work for irq2 [cut off] ============ Toolchain & Sim: binutils-2.18.50 gcc-4.2.2 uClibc-0.9.29 linux-2.6.23 busybox-1.7.5 or1ksim-0.2.0 Do you have any suggestions on this? -- Thanks & Best Regards, ->Xianfeng Zeng -------------- next part -------------- An HTML attachment was scrubbed... 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