Having some huge issues with Xen on one of my boxes.
I''m using the package from Arch Linux repository, though I have tried
Vanilla source with identical results. This package works on two of my
other computers (all it does patch-wise is change the Xen init.d scripts to
Arch Linux compatible ones, and add support for xz-compressed dom0 kernels).
My syslinux.cfg menu line is as follows:
LABEL xen
MENU LABEL Xen 4.1.3
KERNEL mboot.c32
APPEND ../xen-4.1.3.gz dom0_mem=6000000 --- ../vmlinuz-linux
root=/dev/sdb3 ro --- ../initramfs-linux.img
I have rebuilt mkinitcpio with module ''xen-blkfront'' in
autoload.
When rebooting, the Xen kernel appears to load fine (though I can''t
confirm, it''s not logging anything and it flashes by in a second). It
then
passes to the Linux kernel and I get:
''Failed to setup GSI :10, err_code:-22'' repeated multiple
times, ''10'' can
also be ''4'' and ''11''.
Then...
Waiting 10 seconds for device /dev/sdb3...
ata7.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata7.00: failed command: READ DMA
ata7.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata7.00: status: {DRDY}
After this I get dropped to rootfs /# prompt, but the keyboard (USB) stops
accepting input. The above repeats multiple times, sometimes with ''READ
DMA'' and sometimes with ''READ MULTIPLE'' in its place.
Periodically there are messages like:
INFO: task khubd:85 blocked for more than 120 seconds (khubd can be udevd
also)
"echo 0> /proc/sys/kernel/hung_task_timeout_secs" disables this
message
Things I''ve tried:
1. Switching from UUID to /dev/sdb3 in fstab and in
/boot/syslinux/syslinux.conf
2. Rebuilding initramfs
Hardware:
Phenom II x6 1100T
16GB DDR3 1600MHz Memory
3x Nvidia GeForce GTX570
2x 500GB HDDs (no RAID, no lvm, just ext2 boot and ext4 root/home
partitions)
Booting this same Linux kernel + initramfs without Xen kernel works
perfectly (with the obvious sole exception of failing to start the xend
service).
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