> Ok, I've narrowed the scope of the problem some. I moved forward > to a more recent kernel (2.6.31 to 2.6.36) and that resolved the > problem of the controller showing up as every device on the bus. > However, from 2.6.37 to the current HEAD, I have not been able to > build a kernel to run on the 460EX. I tried 2.6.37, 2.6.38, and > the HEAD and all result in the following kernel panic. I am not > sure how to proceed here. I suppose we can stick with 2.6.36 since > it works, but I'd like to understand what it might take to remedy > this.
Smells like somebody changed something with the OF flash code... Josh, Grant, any idea what's up there ? Cheers, Ben. > Thanks > > U-Boot 2008.10 (Mar 15 2011 - 18:44:08) > > CPU: AMCC PowerPC 460EX Rev. A at 800 MHz (PLB=200, OPB=100, EBC=100 MHz) > Security/Kasumi support > Bootstrap Option D - Boot ROM Location PCI > Internal PCI arbiter disabled > 32 kB I-Cache 32 kB D-Cache > Board: tanosx-slave - Tanisys SX Platform, 2*PCIeToggling PLX reset > , Rev. 0 > I2C: ready > DRAM: Auto calibration |*** -------------- > *** best_result window size: 231 > *** best_result WRDTR: 0x0001 > *** best_result CLKTR: 0x0001 > *** best_result RQFD: 0x002e > *** best_result RFFD: 0x0230 > *** best_result RDCC: 0x40000000 > *** -------------- > > 512 MB (ECC enabled, 400 MHz, CL3) > *** Warning - bad CRC, using default environment > > PCIE0: successfully set as endpoint > PCIE1: successfully set as root-complex > ### Unknown PB ### > Net: No ethernet found. > > Type run flash_nfs to mount root filesystem over NFS > > Hit any key to stop autoboot: 0 > ## Booting kernel from Legacy Image at ff000000 ... > Image Name: Linux-2.6.37-00000-v2.6.37 > Image Type: PowerPC Linux Kernel Image (gzip compressed) > Data Size: 2146637 Bytes = 2 MB > Load Address: 00000000 > Entry Point: 00000000 > Verifying Checksum ... OK > ## Loading init Ramdisk from Legacy Image at ff400000 ... > Image Name: Tanisys Ramdisk Image > Image Type: PowerPC Linux RAMDisk Image (gzip compressed) > Data Size: 3830562 Bytes = 3.7 MB > Load Address: 00000000 > Entry Point: 00000000 > Verifying Checksum ... OK > ## Flattened Device Tree blob at ff3e0000 > Booting using the fdt blob at 0xff3e0000 > Uncompressing Kernel Image ... OK > Loading Device Tree to 007fa000, end 007ffe96 ... OK > Loading Ramdisk to 1fabe000, end 1fe65322 ... OK > Using PowerPC 44x Platform machine description > Linux version 2.6.37-00000-v2.6.37 (aymane@lablinux) (gcc version 4.2.2) #16 > Fri Apr 1 15:20:03 CDT > 2011 > Found initrd at 0xdfabe000:0xdfe65322 > Zone PFN ranges: > DMA 0x00000000 -> 0x00020000 > Normal empty > HighMem empty > Movable zone start PFN for each node > early_node_map[1] active PFN ranges > 0: 0x00000000 -> 0x00020000 > MMU: Allocated 1088 bytes of context maps for 255 contexts > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048 > Kernel command line: root=/dev/ram rw mem=512M ip=::::tanosx-slave:eth0:off > panic=1 console=ttyS0,5 > 7600 > PID hash table entries: 2048 (order: 1, 8192 bytes) > Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) > Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) > Memory: 510452k/524288k available (4180k kernel code, 13836k reserved, 160k > data, 1144k bss, 180k i > nit) > Kernel virtual memory layout: > * 0xfffcf000..0xfffff000 : fixmap > * 0xffc00000..0xffe00000 : highmem PTEs > * 0xff200000..0xffc00000 : consistent mem > * 0xff200000..0xff200000 : early ioremap > * 0xe1000000..0xff200000 : vmalloc & ioremap > SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > NR_IRQS:512 > UIC0 (32 IRQ sources) at DCR 0xc0 > UIC1 (32 IRQ sources) at DCR 0xd0 > UIC2 (32 IRQ sources) at DCR 0xe0 > UIC3 (32 IRQ sources) at DCR 0xf0 > clocksource: timebase mult[500000] shift[22] registered > pid_max: default: 4096 minimum: 301 > Mount-cache hash table entries: 512 > xor: measuring software checksum speed > 8regs : 691.000 MB/sec > 8regs_prefetch: 607.000 MB/sec > 32regs : 882.000 MB/sec > 32regs_prefetch: 748.000 MB/sec > xor: using function: 32regs (882.000 MB/sec) > NET: Registered protocol family 16 > 256k L2-cache enabled > PCIE0: Checking link... > PCIE0: Device detected, waiting for link... > PCIE0: link is up ! > PCI host bridge /plb/pciex@d00000000 (primary) ranges: > MEM 0x0000000e00000000..0x0000000e7fffffff -> 0x0000000080000000 > IO 0x0000000f80000000..0x0000000f8000ffff -> 0x0000000000000000 > 4xx PCI DMA offset set to 0x00000000 > PCIE0: successfully set as endpoint > PCIE1: Checking link... > PCIE1: Device detected, waiting for link... > PCIE1: link is up ! > PCI host bridge /plb/pciex@d20000000 (primary) ranges: > MEM 0x0000000e80000000..0x0000000effffffff -> 0x0000000080000000 > IO 0x0000000f80010000..0x0000000f8001ffff -> 0x0000000000000000 > 4xx PCI DMA offset set to 0x00000000 > PCIE1: successfully set as root-complex > PCI host bridge /plb/pci@c0ec00000 (primary) ranges: > MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000 > IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000 > 4xx PCI DMA offset set to 0x00000000 > PCI: Probing PCI hardware > PCI: Hiding 4xx host bridge resources 0000:40:00.0 > PCI: Hiding 4xx host bridge resources 0001:80:00.0 > pci 0001:80:00.0: PCI bridge to [bus 81-bf] > pci 0001:81:00.0: PCI bridge to [bus 82-ff] > pci 0001:82:01.0: PCI bridge to [bus 83-ff] > pci 0001:82:04.0: PCI bridge to [bus 84-ff] > pci 0001:82:05.0: PCI bridge to [bus 85-ff] > pci 0001:80:00.0: BAR 8: assigned [mem 0xe80000000-0xe804fffff] > pci 0001:80:00.0: BAR 9: assigned [mem 0xe80500000-0xe808fffff pref] > pci 0001:80:00.0: BAR 7: assigned [io 0xfffe1000-0xfffe2fff] > pci 0001:81:00.0: BAR 8: assigned [mem 0xe80000000-0xe803fffff] > pci 0001:81:00.0: BAR 9: assigned [mem 0xe80500000-0xe808fffff pref] > pci 0001:81:00.0: BAR 0: assigned [mem 0xe80400000-0xe8041ffff] > pci 0001:81:00.0: BAR 0: set to [mem 0xe80400000-0xe8041ffff] (PCI address > [0x80400000-0x8041ffff]) > pci 0001:81:00.0: BAR 7: assigned [io 0xfffe1000-0xfffe2fff] > pci 0001:82:01.0: BAR 8: assigned [mem 0xe80000000-0xe801fffff] > pci 0001:82:01.0: BAR 9: assigned [mem 0xe80500000-0xe806fffff pref] > pci 0001:82:05.0: BAR 8: assigned [mem 0xe80200000-0xe803fffff] > pci 0001:82:05.0: BAR 9: assigned [mem 0xe80700000-0xe808fffff 64bit pref] > pci 0001:82:01.0: BAR 7: assigned [io 0xfffe1000-0xfffe1fff] > pci 0001:82:05.0: BAR 7: assigned [io 0xfffe2000-0xfffe2fff] > pci 0001:83:00.0: BAR 6: assigned [mem 0xe80500000-0xe8057ffff pref] > pci 0001:83:00.0: BAR 3: assigned [mem 0xe80000000-0xe8003ffff 64bit] > pci 0001:83:00.0: BAR 3: set to [mem 0xe80000000-0xe8003ffff 64bit] (PCI > address [0x80000000-0x8003 > ffff]) > pci 0001:83:00.0: BAR 1: assigned [mem 0xe80040000-0xe80043fff 64bit] > pci 0001:83:00.0: BAR 1: set to [mem 0xe80040000-0xe80043fff 64bit] (PCI > address [0x80040000-0x8004 > 3fff]) > pci 0001:83:00.0: BAR 0: assigned [io 0xfffe1000-0xfffe10ff] > pci 0001:83:00.0: BAR 0: set to [io 0xfffe1000-0xfffe10ff] (PCI address > [0x1000-0x10ff]) > pci 0001:82:01.0: PCI bridge to [bus 83-83] > pci 0001:82:01.0: bridge window [io 0xfffe1000-0xfffe1fff] > pci 0001:82:01.0: bridge window [mem 0xe80000000-0xe801fffff] > pci 0001:82:01.0: bridge window [mem 0xe80500000-0xe806fffff pref] > pci 0001:82:04.0: PCI bridge to [bus 84-84] > pci 0001:82:04.0: bridge window [io disabled] > pci 0001:82:04.0: bridge window [mem disabled] > pci 0001:82:04.0: bridge window [mem pref disabled] > pci 0001:82:05.0: PCI bridge to [bus 85-85] > pci 0001:82:05.0: bridge window [io 0xfffe2000-0xfffe2fff] > pci 0001:82:05.0: bridge window [mem 0xe80200000-0xe803fffff] > pci 0001:82:05.0: bridge window [mem 0xe80700000-0xe808fffff 64bit pref] > pci 0001:81:00.0: PCI bridge to [bus 82-85] > pci 0001:81:00.0: bridge window [io 0xfffe1000-0xfffe2fff] > pci 0001:81:00.0: bridge window [mem 0xe80000000-0xe803fffff] > pci 0001:81:00.0: bridge window [mem 0xe80500000-0xe808fffff pref] > pci 0001:80:00.0: PCI bridge to [bus 81-bf] > pci 0001:80:00.0: bridge window [io 0xfffe1000-0xfffe2fff] > pci 0001:80:00.0: bridge window [mem 0xe80000000-0xe804fffff] > pci 0001:80:00.0: bridge window [mem 0xe80500000-0xe808fffff pref] > pci 0001:81:00.0: enabling device (0000 -> 0003) > pci 0001:82:01.0: enabling device (0000 -> 0003) > pci 0001:82:05.0: enabling device (0000 -> 0003) > bio: create slab <bio-0> at 0 > raid6: int32x1 246 MB/s > raid6: int32x2 303 MB/s > raid6: int32x4 384 MB/s > raid6: int32x8 202 MB/s > raid6: using algorithm int32x4 (384 MB/s) > vgaarb: loaded > SCSI subsystem initialized > Switching to clocksource timebase > NET: Registered protocol family 2 > IP route cache hash table entries: 4096 (order: 2, 16384 bytes) > TCP established hash table entries: 16384 (order: 5, 131072 bytes) > Switched to NOHz mode on CPU #0 > TCP bind hash table entries: 16384 (order: 4, 65536 bytes) > TCP: Hash tables configured (established 16384 bind 16384) > TCP reno registered > NET: Registered protocol family 1 > RPC: Registered udp transport module. > RPC: Registered tcp transport module. > RPC: Registered tcp NFSv4.1 backchannel transport module. > Trying to unpack rootfs image as initramfs... > rootfs image is not initramfs (no cpio magic); looks like an initrd > Freeing initrd memory: 3740k freed > JFFS2 version 2.2. (NAND) Ac 2001-2006 Red Hat, Inc. > msgmni has been set to 1006 > Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) > io scheduler noop registered > io scheduler deadline registered (default) > io scheduler cfq registered > Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled > serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 21) is a U6_16550A > console [ttyS0] enabled > serial8250 serial8250.0: unable to register port at index 1 (IO0 MEM4ef600400 > IRQ22): -28 > 4ef600300.serial: ttyS0 at MMIO 0x4ef600300 (irq = 21) is a 16550 > of:of_serial: probe of 4ef600400.serial failed with error -28 > brd: module loaded > Unable to handle kernel paging request for data at address 0x00000030 > Faulting instruction address: 0xc02010c4 > Oops: Kernel access of bad area, sig: 11 [#1] > PowerPC 44x Platform > last sysfs file: > Modules linked in: > NIP: c02010c4 LR: c01fe0e4 CTR: c020109c > REGS: df431ce0 TRAP: 0300 Not tainted (2.6.37-00000-v2.6.37) > MSR: 00029000 <EE,ME,CE> CR: 82f44d42 XER: 20000000 > DEAR: 00000030, ESR: 00000000 > TASK = df42e400[1] 'swapper' THREAD: df430000 > GPR00: 00000000 df431d90 df42e400 00000000 ded9d544 00000000 00000000 c07faa8c > GPR08: 00000002 00000000 00000000 c0550000 24f44d42 805144f2 c03b1890 c0346a94 > GPR16: c03b14f8 c03b2428 c03b23ec c03b2374 c0419fa8 deda01a0 df431e10 ded9d544 > GPR24: c03c5984 00000000 ded9d544 00000000 00000000 c05564ac c042cf00 c042cb9c > NIP [c02010c4] parse_cmdline_partitions+0x28/0x2ec > LR [c01fe0e4] parse_mtd_partitions+0x78/0x114 > Call Trace: > [df431d90] [df426e00] 0xdf426e00 (unreliable) > [df431dd0] [c01fe0e4] parse_mtd_partitions+0x78/0x114 > [df431e00] [c031bb70] of_flash_probe+0x39c/0x6e8 > [df431e80] [c0277960] platform_driver_probe_shim+0x40/0x54 > [df431e90] [c01d1624] platform_drv_probe+0x20/0x30 > [df431ea0] [c01d0138] driver_probe_device+0x148/0x1ac > [df431ec0] [c01d044c] __driver_attach+0xa4/0xa8 > [df431ee0] [c01cf274] bus_for_each_dev+0x60/0x9c > [df431f10] [c01cfe8c] driver_attach+0x24/0x34 > [df431f20] [c01cfc1c] bus_add_driver+0x1b8/0x274 > [df431f50] [c01d06a8] driver_register+0x6c/0x160 > [df431f70] [c01d1994] platform_driver_register+0x68/0x78 > [df431f80] [c0277b2c] of_register_platform_driver+0xa8/0xc4 > [df431f90] [c0402f1c] of_flash_init+0x18/0x28 > [df431fa0] [c0001574] do_one_initcall+0x160/0x1a8 > [df431fd0] [c03e81e8] kernel_init+0xcc/0x174 > [df431ff0] [c000c588] kernel_thread+0x4c/0x68 > Instruction dump: > 3ba00000 4bfffe74 9421ffc0 7c0802a6 bee1001c 90010044 3d60c055 3bab64ac > 801d0004 7c791b78 2f800000 7c972378 <83830030> 409e00f0 83eb64ac 38000001 > ---[ end trace 6d92ab5ca4b92b20 ]--- > Kernel panic - not syncing: Attempted to kill init! > Call Trace: > [df431bd0] [c00063b8] show_stack+0x44/0x16c (unreliable) > [df431c10] [c00204a4] panic+0xa4/0x1d4 > [df431c60] [c00242a0] do_exit+0x59c/0x5f0 > [df431ca0] [c0009ff8] kernel_bad_stack+0x0/0x4c > [df431cc0] [c00102d0] bad_page_fault+0xc0/0x108 > [df431cd0] [c000cc7c] handle_page_fault+0x7c/0x80 > --- Exception: 300 at parse_cmdline_partitions+0x28/0x2ec > LR = parse_mtd_partitions+0x78/0x114 > [df431d90] [df426e00] 0xdf426e00 (unreliable) > [df431dd0] [c01fe0e4] parse_mtd_partitions+0x78/0x114 > [df431e00] [c031bb70] of_flash_probe+0x39c/0x6e8 > [df431e80] [c0277960] platform_driver_probe_shim+0x40/0x54 > [df431e90] [c01d1624] platform_drv_probe+0x20/0x30 > [df431ea0] [c01d0138] driver_probe_device+0x148/0x1ac > [df431ec0] [c01d044c] __driver_attach+0xa4/0xa8 > [df431ee0] [c01cf274] bus_for_each_dev+0x60/0x9c > [df431f10] [c01cfe8c] driver_attach+0x24/0x34 > [df431f20] [c01cfc1c] bus_add_driver+0x1b8/0x274 > [df431f50] [c01d06a8] driver_register+0x6c/0x160 > [df431f70] [c01d1994] platform_driver_register+0x68/0x78 > [df431f80] [c0277b2c] of_register_platform_driver+0xa8/0xc4 > [df431f90] [c0402f1c] of_flash_init+0x18/0x28 > [df431fa0] [c0001574] do_one_initcall+0x160/0x1a8 > [df431fd0] [c03e81e8] kernel_init+0xcc/0x174 > [df431ff0] [c000c588] kernel_thread+0x4c/0x68 > Rebooting in 1 seconds.. > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
