Re: Building a 2.6.30 kernel that does NOT require initrd
On Mon, 28 Sep 2009, Andrew Perrin wrote:
Greetings-
Using a .config file based on past kernels that have worked fine (posted at
http://perrin.socsci.unc.edu/stuff/config), I am trying to compile kernel
2.6.30 for an amd64 machine and NOT using initrd. The essentials I know of
- sata, ext3, e1000e - are built into the kernel, so I don't think it
should need an initrd, but I'm consistently getting:
kernel panic: no init found. Unable to mount root fs on unknown-block(0,0).
Any advice welcome.
Thanks.
----------------------------------------------------------------------
Andrew J Perrin - andrew_perrin (at) unc.edu - http://perrin.socsci.unc.edu
Associate Professor of Sociology; Book Review Editor, _Social Forces_
University of North Carolina - CB#3210, Chapel Hill, NC 27599-3210 USA
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Hi,
What does lshw show?
che
description: Desktop Computer
product: 7479UN3
vendor: LENOVO
version: ThinkCentre M58p
serial: MJ06338
width: 64 bits
capabilities: smbios-2.5 dmi-2.5 vsyscall64 vsyscall32
configuration: administrator_password=disabled boot=normal chassis=desktop keyboard_password=disabled power-on_password=disabled uuid=80D5D21B-DB3C-DE11-8292-E49C88417984
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description: Motherboard
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serial: NONE
slot: INSIDE
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version: 5CKT46AUS (03/20/2009)
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capabilities: pci pnp upgrade shadowing escd cdboot edd acpi usb ls120boot smartbattery biosbootspecification
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description: CPU
product: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
slot: LGA 775
size: 2GHz
capacity: 3600MHz
width: 64 bits
clock: 333MHz
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority cpufreq
*-cache:0
description: L1 cache
physical id: 5
slot: L1 Cache
size: 16KiB
capacity: 256KiB
capabilities: asynchronous internal write-back
*-cache:1
description: L2 cache
physical id: 6
slot: L2 Cache
size: 6MiB
capacity: 12MiB
capabilities: burst internal write-back
*-memory
description: System Memory
physical id: 1e
slot: System board or motherboard
size: 2GiB
*-bank:0
description: DIMM DDR2 Synchronous 1067 MHz (0.9 ns)
product: 000000000000000000000000000000000000
vendor: Unknown
physical id: 0
serial: 00000000
slot: J6G1
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clock: 1067MHz (0.9ns)
*-bank:1
description: DIMM DDR2 Synchronous 1067 MHz (0.9 ns) [empty]
product: 012345678901234567890123456789012345
vendor: 48spaces
physical id: 1
serial: 01234567
slot: J6G2
clock: 1067MHz (0.9ns)
*-bank:2
description: DIMM DDR2 Synchronous 1067 MHz (0.9 ns) [empty]
product: 012345678901234567890123456789012345
vendor: 48spaces
physical id: 2
serial: 01234567
slot: J6H1
clock: 1067MHz (0.9ns)
*-bank:3
description: DIMM DDR2 Synchronous 1067 MHz (0.9 ns) [empty]
product: 012345678901234567890123456789012345
vendor: 48spaces
physical id: 3
serial: 01234567
slot: J6H2
clock: 1067MHz (0.9ns)
*-pci
description: Host bridge
product: 4 Series Chipset DRAM Controller
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 03
width: 32 bits
clock: 33MHz
configuration: driver=agpgart-intel
resources: irq:0
*-display:0 UNCLAIMED
description: VGA compatible controller
product: 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list
configuration: latency=0
resources: memory:fc000000-fc3fffff memory:e0000000-efffffff(prefetchable) ioport:1c70(size=8)
*-display:1 UNCLAIMED
description: Display controller
product: 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2.1
bus info: pci@0000:00:02.1
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=0
resources: memory:fc400000-fc4fffff
*-communication:0 UNCLAIMED
description: Communication controller
product: 4 Series Chipset HECI Controller
vendor: Intel Corporation
physical id: 3
bus info: pci@0000:00:03.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: latency=0
resources: memory:fc524000-fc52400f
*-ide UNCLAIMED
description: IDE interface
product: 4 Series Chipset PT IDER Controller
vendor: Intel Corporation
physical id: 3.2
bus info: pci@0000:00:03.2
version: 03
width: 32 bits
clock: 66MHz
capabilities: ide pm msi bus_master cap_list
configuration: latency=0
resources: ioport:1c88(size=8) ioport:1c7c(size=4) ioport:1c80(size=8) ioport:1c78(size=4) ioport:1c40(size=16)
*-communication:1
description: Serial controller
product: 4 Series Chipset Serial KT Controller
vendor: Intel Corporation
physical id: 3.3
bus info: pci@0000:00:03.3
version: 03
width: 32 bits
clock: 66MHz
capabilities: pm msi 16550 bus_master cap_list
configuration: driver=serial latency=0
resources: irq:17 ioport:1c90(size=8) memory:fc526000-fc526fff
*-network
description: Ethernet interface
product: 82567LM-3 Gigabit Network Connection
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eth0
version: 02
serial: 00:24:1d:0a:4b:f8
size: 1GB/s
capacity: 1GB/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=0.3.3.4-k4 duplex=full firmware=0.4-3 ip=152.2.25.220 latency=0 link=yes multicast=yes port=twisted pair speed=1GB/s
resources: irq:27 memory:fc500000-fc51ffff memory:fc527000-fc527fff ioport:1820(size=32)
*-usb:0
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #4
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:16 ioport:1840(size=32)
*-usb:1
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #5
vendor: Intel Corporation
physical id: 1a.1
bus info: pci@0000:00:1a.1
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:17 ioport:1860(size=32)
*-usb:2
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #6
vendor: Intel Corporation
physical id: 1a.2
bus info: pci@0000:00:1a.2
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:18 ioport:1880(size=32)
*-usb:3
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2
vendor: Intel Corporation
physical id: 1a.7
bus info: pci@0000:00:1a.7
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci_hcd latency=0
resources: irq:18 memory:fc528000-fc5283ff
*-multimedia
description: Audio device
product: 82801JD/DO (ICH10 Family) HD Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=HDA Intel latency=0
resources: irq:16 memory:fc520000-fc523fff
*-usb:4
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #1
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:16 ioport:18a0(size=32)
*-usb:5
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #2
vendor: Intel Corporation
physical id: 1d.1
bus info: pci@0000:00:1d.1
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width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:17 ioport:18c0(size=32)
*-usb:6
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB UHCI Controller #3
vendor: Intel Corporation
physical id: 1d.2
bus info: pci@0000:00:1d.2
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master cap_list
configuration: driver=uhci_hcd latency=0
resources: irq:18 ioport:18e0(size=32)
*-usb:7
description: USB Controller
product: 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1
vendor: Intel Corporation
physical id: 1d.7
bus info: pci@0000:00:1d.7
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci_hcd latency=0
resources: irq:16 memory:fc529000-fc5293ff
*-pci
description: PCI bridge
product: 82801 PCI Bridge
vendor: Intel Corporation
physical id: 1e
bus info: pci@0000:00:1e.0
version: a2
width: 32 bits
clock: 33MHz
capabilities: pci subtractive_decode bus_master cap_list
*-isa
description: ISA bridge
product: 82801JDO (ICH10DO) LPC Interface Controller
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: latency=0
*-storage
description: SATA controller
product: 82801JD/DO (ICH10 Family) SATA AHCI Controller
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
logical name: scsi0
logical name: scsi1
version: 02
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated
configuration: driver=ahci latency=0
resources: irq:26 ioport:1ca8(size=8) ioport:1c9c(size=4) ioport:1ca0(size=8) ioport:1c98(size=4) ioport:1c00(size=32) memory:fc52a000-fc52a7ff
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vendor: Seagate
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bus info: scsi@0:0.0.0
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serial: 6RYLPD0R
size: 232GiB (250GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 signature=63e16945
*-volume:0
description: EXT3 volume
vendor: Linux
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bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
logical name: /
version: 1.0
serial: 19ee8fc7-d4b5-4ea3-86d9-eba7bf3b857e
size: 227GiB
capacity: 227GiB
capabilities: primary bootable journaled extended_attributes large_files ext3 ext2 initialized
configuration: created=2009-09-23 11:49:17 filesystem=ext3 modified=2009-09-25 10:47:21 mount.fstype=ext3 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2009-09-25 09:27:54 state=mounted
*-volume:1
description: Extended partition
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
size: 5467MiB
capacity: 5467MiB
capabilities: primary extended partitioned partitioned:extended
*-logicalvolume
description: Linux swap / Solaris partition
physical id: 5
logical name: /dev/sda5
capacity: 5467MiB
capabilities: nofs
*-cdrom
description: DVD-RAM writer
product: CDDVDW TS-H653F
vendor: TSSTcorp
physical id: 1
bus info: scsi@1:0.0.0
logical name: /dev/cdrom
logical name: /dev/cdrw
logical name: /dev/dvd
logical name: /dev/dvdrw
logical name: /dev/scd0
logical name: /dev/sr0
version: LE08
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
*-serial
description: SMBus
product: 82801JD/DO (ICH10 Family) SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 02
width: 64 bits
clock: 33MHz
configuration: driver=i801_smbus latency=0
resources: irq:17 memory:fc52b000-fc52b0ff ioport:1c20(size=32)
*-scsi
physical id: 1
bus info: usb@2:4
logical name: scsi6
capabilities: emulated
*-disk:0
description: SCSI Disk
product: ImageMate 6 in 1
vendor: SanDisk
physical id: 0.0.0
bus info: scsi@6:0.0.0
logical name: /dev/sdb
version: 0.0>
capabilities: removable
*-medium
physical id: 0
logical name: /dev/sdb
*-disk:1
description: SCSI Disk
product: ImageMate 6 in 1
vendor: SanDisk
physical id: 0.0.1
bus info: scsi@6:0.0.1
logical name: /dev/sdc
version: 0.0>
capabilities: removable
*-medium
physical id: 0
logical name: /dev/sdc
*-disk:2
description: SCSI Disk
product: ImageMate 6 in 1
vendor: SanDisk
physical id: 0.0.2
bus info: scsi@6:0.0.2
logical name: /dev/sdd
version: 0.0>
capabilities: removable
*-medium
physical id: 0
logical name: /dev/sdd
*-disk:3
description: SCSI Disk
product: ImageMate 6 in 1
vendor: SanDisk
physical id: 0.0.3
bus info: scsi@6:0.0.3
logical name: /dev/sde
version: 0.0>
capabilities: removable
*-medium
physical id: 0
logical name: /dev/sde
*-remoteaccess UNCLAIMED
vendor: Intel
physical id: 1
capabilities: outbound
*-power UNCLAIMED
description: Standard 235 ATX
product: Diamond MM #87997/1845333
vendor: PC POwer & Cooling, INC
physical id: 2
version: 2.30
serial: 7481909424
capacity: 125mWh
What does lspci show?
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:03.0 Communication controller: Intel Corporation 4 Series Chipset HECI Controller (rev 03)
00:03.2 IDE interface: Intel Corporation 4 Series Chipset PT IDER Controller (rev 03)
00:03.3 Serial controller: Intel Corporation 4 Series Chipset Serial KT Controller (rev 03)
00:19.0 Ethernet controller: Intel Corporation 82567LM-3 Gigabit Network Connection (rev 02)
00:1a.0 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801JD/DO (ICH10 Family) HD Audio Controller (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a2)
00:1f.0 ISA bridge: Intel Corporation 82801JDO (ICH10DO) LPC Interface Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801JD/DO (ICH10 Family) SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801JD/DO (ICH10 Family) SMBus Controller (rev 02)
You need to make sure you have SATA support installed for your chipset.
I never use initrd myself either.
Justin.
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