Hi there,
I'm not sure if this is the right place to ask my questions, but I found
very sparse documentation when it comes to solve problems with kexec.
I'm running an arch linux setup on my Macbook Pro 8,1 (Kernel
3.6.7-1-ck) with an i915 vga adapter (Intel HD Graphics 3000) and I try
to use kexec with systemd.
Systemd uses a service file to load the new Kernel image before
executing kexec:
[SNIP]
[Service]
Type=oneshot
ExecStart=/sbin/kexec -l /boot/vmlinuz-linux-ck \
--initrd=/boot/initramfs-linux-ck.img\
--reuse-cmdline
[/SNIP]
I use a system with an encrypted root partition, but I ran into the
exact same issue with my old setup (without encrypted root).
But when I issue the kexec call I can read the line
"Starting new kernel" and then my screen is garbled. I read a lot about
issues with the vga console, so I tried to reach my system by ssh, but
it didn't work.
I uploaded a "screenshot" here: http://imgur.com/UVDT9
Some more info:
[kernel commandline]
BOOT_IMAGE=/vmlinuz-linux-ck root=/dev/mapper/main-root ro
cryptdevice=/dev/sda6:main pcie_aspm=force i915.i915_enable_rc6=1
i915.lvds_downclock=1 i915.i915_enable_fbc=1 elevator=bfq verbose
[mkinitcpio.conf]
[...]
MODULES="ahci libahci ehci-hcd uhci-hcd ext3 ext4 vfat"
BINARIES="kexec"
FILES="/etc/modprobe.d/modprobe.conf"
HOOKS="base udev keymap fsck autodetect pata scsi sata usbinput encrypt
lvm2 uresume filesystems"
Does anyone have a hint how I could "debug" this issue or get kexec to
work on my system?
Kind regards
Jan
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