Hi, I'm struggling to get initrd working with qemu-system-ppc. The kernel doesn't seem to be find initrd image passed to qemu-system-ppc.
I added printfs in qemu, ppc_rom and in the kernel source code..Looks like qemu is passing the intird to Hackware and hackware rom seems to be setting the bootinfos structure with the initrd information but when it comes to the kernel it doesn't seem to get it. qemu logs show..it read the initrd image ppc_prep_init: START linux boot ppc_prep_init: INSIDE linux boot: /tmp/initrd.img ppc_prep_init: INSIDE INITRD ppc_prep_init: INSIDE INITRD filename: /tmp/initrd.img size: 31457280 hackware logs i added also shows initrd is read from nvram and its put in the bootinfos and passed. bootinfos..initrd: 31457280 bootinfos..memsize:0x2f400000 Boot: 00040000 32eb1500 00000000 00000000 Bootinfos at : 300000 But the kernel didn;t find the BI_INITRD tag (0x1014). But it found the BI_CMDLINE and BI_MEMSIZE tags but not initrd. Now booting the kernel RAMDISK platform_init..calling boot_info RAMDISK find_bootinfo RAMDISK parser_booinfo RAMDISK BI tag: 0x1010 RAMDISK BI tag: 0x1017 RAMDISK memsize: 0x2f400000 RAMDISK BI tag: 0x1012 RAMDISK cmdline: console=ttyS0 ip=dhcp rw netdev=9,0x300,eth0 netdev=10,0x320,eth1 netdev=11,0x340,eth2 netdev=3,0x360,eth3 netdev=4,0x280,eth4 netdev=5,0x380,eth5 RAMDISK parser_booinfo end .... .... IP-Config: Got DHCP answer from 10.0.2.2, my address is 10.0.2.15 IP-Config: Complete: device=eth0, addr=10.0.2.15, mask=255.255.255.0, gw=10.0.2.2, host=10.0.2.15, domain=, nis-domain=(none), bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath= RAMDISK: no file foundi No filesystem could mount root, tried: ext3 ext2 iso9660 I'm stumped..May be the kernel is reading a different bootinfos..I'm not sure where the problem is. I made sure the CONFIG_BLK_DEV_INITRD is enabled and the printfs I added are outside of the CONFIG_BLK_DEV_INITRD check. I'm using the 0.9.1 version and the kernel is 2.6.18 Please help me figure this out..I have attached the complete log. thanks Suresh [EMAIL PROTECTED] ~]$/ws/skaliann/opt/qemu-0.9.1/ppc-softmmu/qemu-system-ppc -L /users/skaliann/qemu/share/qemu -M prep -kernel /tmp/zImage.prep -nographic -m 756 -redir tcp:1122::22 -redir tcp:2345::2345 -initrd /tmp/initrd.img -append root=/dev/ram ppc_prep_init: START linux boot ppc_prep_init: INSIDE linux boot: /tmp/initrd.img ppc_prep_init: INSIDE INITRD ppc_prep_init: INSIDE INITRD filename: /tmp/initrd.img size: 31457280 ppc_prep_init: OUTSIDE base=0x1800000 Size: 31457280NVRAM set: base: 0x1800000 size: 31457280 register PCI host 'pci-bridge' 'pci' '<null>' 'PREP Host PCI Bridge - Motorola Raven' register 'pci-bridge' 'pci' '<null>' 'PREP Host PCI Bridge - Motorola Raven' 0x80000000 in 'device-tree' 0xffffffff Done 582a000 582a900 register pci device 'Qemu VGA' 0000000c 'display' 'VGA' 'Qemu VGA' register 'Qemu VGA' 'display' 'VGA' 'Qemu VGA' 0x0000000c in 'pci-bridge' 0x80000000 Done 582a900 582aa00 PPC Open Hack'Ware BIOS for qemu version 0.4.1 Build 2008-07-18 22:17:00 Copyright 2003-2005 Jocelyn Mayer Memory size: 756 MB. Booting from device m ide0: drive 0: none ide0: drive 1: CD-ROM ERROR: OF_property_copy cannot get property 'cd' for aliases ERROR: ATAPI TEST_UNIT_READY : status 48 != 0x08 ide1: drive 0: none ide1: drive 1: none Probe partitions for device m ERROR: No MSDOS signature (38 0 0 0) New bootfile ERROR: OF_property_copy cannot get property 'alias' for <null> boot device: 5831080 image 1000000 size 1436466 New bootfile New bootfile Fix bootfile boot device: 5831080 ERROR: Found boot partition : 5831200 582d6c0 ERROR: Not a MACH-O file ERROR: Not an Apple CHRP boot file ! dest 100000 entry 00000200 => 100200 Load raw file into memory at 100000 1436466 (0015eb32) 0 (00000000) bootinfos..initrd: 31457280 bootinfos..memsize:0x2f400000 Boot: 00040000 32eb1500 00000000 00000000 Bootinfos at : 300000 Now boot it... (0) stack: 5bfff80 malloc_base: 0 0x05800000 0x06000000 PREP boot... 100200 100000 loaded at: 00100200 00265D4C relocated to: 00800000 00965B4C zimage at: 00805F64 0095CC98 avail ram: 00400000 00800000 Linux/PPC load: decompress_kernel: new cmd_line='console=ttyS0 ip=dhcp rw netdev=9,0x300,eth0 netdev=10,0x320,eth1 netdev=11,0x340,eth2 netdev=3,0x360,eth3 netdev=4,0x280,eth4 netdev=5,0x380,eth5 root=/dev/ram' console=ttyS0 ip=dhcp rw netdev=9,0x300,eth0 netdev=10,0x320,eth1 netdev=11,0x340,eth2 netdev=3,0x360,eth3 netdev=4,0x280,eth4 netdev=5,0x380,eth5 root=/dev/ram Uncompressing Linux...done. Now booting the kernel RAMDISK platform_init..calling boot_info RAMDISK find_bootinfo RAMDISK parser_booinfo RAMDISK BI tag: 0x1010 RAMDISK BI tag: 0x1017 RAMDISK memsize: 0x2f400000 RAMDISK BI tag: 0x1012 RAMDISK cmdline: console=ttyS0 ip=dhcp rw netdev=9,0x300,eth0 netdev=10,0x320,eth1 netdev=11,0x340,eth2 netdev=3,0x360,eth3 netdev=4,0x280,eth4 netdev=5,0x380,eth5 root=/dev/ram RAMDISK parser_booinfo end Total memory = 756MB; using 2048kB for hash table (at c0400000) Linux version 2.6.18.8 ([EMAIL PROTECTED]) (gcc version 3.4.2) #25 Fri Jul 18 15:47:56 PDT 2008PReP architecture Built 1 zonelists. Total pages: 193536 Kernel command line: console=ttyS0 ip=dhcp rw netdev=9,0x300,eth0 netdev=10,0x320,eth1 netdev=11,0x340,eth2 netdev=3,0x360,eth3 netdev=4,0x280,eth4 netdev=5,0x380,eth5 root=/dev/ram PID hash table entries: 4096 (order: 12, 16384 bytes) time_init: decrementer frequency = 25.000000 MHz Console: colour dummy device 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 761600k available (2260k kernel code, 776k data, 156k init, 0k highmem) Mount-cache hash table entries: 512 lsmpi_region_init(): 11 pages (6508544 bytes) NET: Registered protocol family 16 PCI: Probing PCI hardware Setting PCI interrupts for a "Mesquite cPCI (MCP750)" Linux Plug and Play Support v0.97 (c) Adam Belay SCSI subsystem initialized NET: Registered protocol family 2 IP route cache hash table entries: 32768 (order: 5, 131072 bytes) TCP established hash table entries: 131072 (order: 7, 524288 bytes) TCP bind hash table entries: 65536 (order: 6, 262144 bytes) TCP: Hash tables configured (established 131072 bind 65536) TCP reno registered VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API io scheduler noop registered io scheduler deadline registered (default) isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Generic RTC Driver v1.07 Macintosh non-volatile memory driver v1.1 Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16450 RAMDISK: wrong blocksize 16384, reverting to defaults RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize loop: loaded (max 8 devices) ne.c:v1.10 9/23/94 Donald Becker ([EMAIL PROTECTED]) Last modified Nov 1, 2000 by Paul Gortmaker NE*000 ethercard probe at 0x300: 52 54 00 12 34 56 eth0: NE2000 found at 0x300, using IRQ 9. Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx hda: IRQ probe failed (0x0) hda: IRQ probe failed (0x0) hda: IRQ probe failed (0x0) hda: IRQ probe failed (0x0) hdb: IRQ probe failed (0x0) hdb: IRQ probe failed (0x0) hdb: QEMU CD-ROM, ATAPI CD/DVD-ROM drive hdb: IRQ probe failed (0x0) ide0 at 0x1f0-0x1f7,0x3f6 on irq 13 serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 mice: PS/2 mouse device common for all mice TCP bic registered NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 15 input: AT Raw Set 2 keyboard as /class/input/input0 input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 Sending DHCP requests ., OK IP-Config: Got DHCP answer from 10.0.2.2, my address is 10.0.2.15 IP-Config: Complete: device=eth0, addr=10.0.2.15, mask=255.255.255.0, gw=10.0.2.2, host=10.0.2.15, domain=, nis-domain=(none), bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath= RAMDISK: no file foundi No filesystem could mount root, tried: ext3 ext2 iso9660 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) <0>Rebooting in 180 seconds..
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