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 kexec-loader 2.2 released
post Feb 22 2010, 10:05 PM
Post #1
Icecube
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Belgium


kexec-loader 2.2 is released (03 Feb 2010).

solemnwarning didn't announce his last version, like he normally does. So i hope he doesn't mind that I do it.

Download:
http://www.solemnwarning.net/kexec-loader/download.cgi


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post Apr 11 2010, 04:16 PM
Post #11
Bicephale
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Canada


Perhaps if we proceed with the CD .ISO image-file which is
generated by the shell script then it will simplify the matter.

This is the CD's label: "kexecloader"...

This is its contents:

CODE
/kexec-loader.conf
/linux.cfg
/isolinux/boot.cat
/isolinux/initrd.img
/isolinux/isolinux.bin
/isolinux/isolinux.cfg
/isolinux/vmlinuz


My question at this time is this:

Am i right to assume that only the
'/KxLoader.CFG' and '/linux.cfg' files
need to be located at the CD's root?

Additionally... Is '/isolinux/' hard-
coded or can it be changed to
something a bit more convenient
like '/kxloader/'?...



To answer one of your questions, no
i didn't add any module since there
was none in the provided .ISO image
file. I suppose that's optional, right?



Also, i note you didn't comment the
syntax of my 'Slax.CFG' file. Does it
mean it's OKay just the way which i've
suggested??? That would be sort of
surprizing because i had some doubts.



Thank you for the time & effort spent
on 'KEL'.
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post Apr 11 2010, 04:28 PM
Post #12
solemnwarning
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United Kingdom


It only needs the kexec-loader.conf file at the CD root, it might complain about a missing "modules" directory too, can't remember. The linux.cfg file is the kernel config, it isn't used by anything. Everything in isolinux is also ignored by kexec-loader, just set the correct paths in isolinux. You will need at least the iso module, probably IDE and/or SATA as well.


--------------------
kexec-loader - Linux-based bootloader
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post Apr 11 2010, 06:31 PM
Post #13
Bicephale
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Canada


Hummm...

I'm sorry if i must ask this but did you actually test
a 'KEL' CD-ROM? An .ISO image-file would be most
useful if it's known to have been tested/working...



Experimenting with multiple permutations can be
time consuming!
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post Apr 11 2010, 06:41 PM
Post #14
solemnwarning
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United Kingdom


I built one using the ISO and IDE modules, it worked fine on my test machine smile.gif


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kexec-loader - Linux-based bootloader
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post Apr 12 2010, 12:35 AM
Post #15
Bicephale
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Canada


OKay, lets forget the script. Back to a previous question:

CODE
LABEL kexec
MENU LABEL KExec-^Loader
KERNEL /kxloader/vmlinuz
APPEND initrd=/kxloader/initrd.img root=LABEL=SLAX


Does this constitute a suitable syntax to use in 'Slax.CFG'?

(Especially the last three words?...)

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post Apr 12 2010, 12:50 AM
Post #16
solemnwarning
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Looks ok to me


--------------------
kexec-loader - Linux-based bootloader
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post Apr 16 2010, 01:53 AM
Post #17
gabiz_ro
  
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Romania


Hello
I'm trying to enable ahci on my Del notebook.ICH7-M chipset.
Using some tricks I've managed to rewrite chipset pci registers and set abar.
But then bios can't boot from internal disk.
Booting some linux distro from usb disk I can see and get access to internal disk and is working in sata ahci mode,so everything seems fine.
Also working booting win7 image from usb disk.
Using software like ahccmdt,mhdd or victoria under dos,disk is detected and identified right.
I have tried few scenarios but without luck.
-boot through grub4dos floppy.img or kexec.iso with all modules inserted.
-boot from usb dvdrom unit (iso built with all modules)
In both cases some error loading some modules "no such device"
But disk is not detected.
In grub4dos case only usb stick is detected and using usb dvdrom only sr0 disk appear in listing disk command.
Someone can guide me? Do I need other sata modules?
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post Apr 20 2010, 08:05 PM
Post #18
gabiz_ro
  
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Romania


Nobody?
How can i build some others modules? for kexec-loader?
I've downloaded kernel 2.6.30.5 kernel,compiled with loadable modules but when I try to use them I receive invalid module.
I've also tried old version of kexec-loader-1.1-sata.img but all I get is some timeout and no disk detected.
Since under linux or win booted from external hdd is working how can I make kexec to detect my disk?

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post Apr 21 2010, 10:42 AM
Post #19
solemnwarning
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I'm not sure why your SATA controller isn't being detected if Linux supports it, try removing all modules except for SATA and any required filesystem modules (i.e ext3). This will reduce the messages at boot and you may get some log messages from the kernel about the SATA controller, check tty2 for these.


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kexec-loader - Linux-based bootloader
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post Apr 22 2010, 08:06 PM
Post #20
gabiz_ro
  
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Romania


This is what I get referring to sata using old kexec-loader-1.1-sata.img
CODE
PCI: IRQ 0 for device 0000:00:1f.2 doesn't match PIRQ mask - try pci=usepirqmask
PCI: setting IRQ 3 as level-triggered
PCI: Assigned IRQ 3 for device 0000:00:1f.2
ahci (0000:00:1f.2) AHCI 0001.0100 32 slots 4 ports 1.5Gbps 0x5 impl SATA
ahci (0000:00:1f.2) flags: 64bit ncq ilck stag pm led clo pio slum part
ata1: SATA max UDMA/133 cmd 0xF8CB8100 ctl 0x0 bmdma 0x0 irq 3
ata2: SATA max UDMA/133 cmd 0xF8CB8180 ctl 0x0 bmdma 0x0 irq 3
ata3: SATA max UDMA/133 cmd 0xF8CB8200 ctl 0x0 bmdma 0x0 irq 3
ata4: SATA max UDMA/133 cmd 0xF8CB8280 ctl 0x0 bmdma 0x0 irq 3
ata1 is slow to respond, please be patient
ata1 failed to respond (30 secs)
scsi0 : ahci
ata2: no device found (phy stat 00000000)
scsi1 : ahci
ata3: no device found (phy stat 00000000)
scsi2 : ahci
ata4: no device found (phy stat 00000000)
scsi3 : ahci


And that using latest kexec-loader with next modules inserted into initrd ahci.ko ata_piix.ko ext2.ko ext3.ko ext4.ko isofs.ko jbd2.ko jbd.ko ntfs.ko reiserfs.ko zlib_inflate.ko

CODE
ata1.00: qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
scsi .... some details about sda generic flash disk (usb stick)
............
ata1: SATA link up 1.5Gbps (SStatus 113 SControl 300)
ata1.00 qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata1: limiting SATA link speed to 1.5Gbps
ata1: SATA link up 1.5Gbps (SStatus 113 SControl 310)
ata3: SATA link down (SStatus 0 SControl 300)


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