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CaptainBlood
Advocate
Joined: 24 Jan 2010
Posts: 3595
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 Posted: Sat Dec 31, 2011 8:39 pm Post subject: pvgrub ignores domU's 'extra' parameter |
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Hi dear all,
However I write it, pvgrub 4.1.1-r1 reacts as if thete was no extra parameter in my domU config file.
So xm command fianlly take me to a grubdom prompt which ultimatly boots when following /boot/grub/grub.conf snipplet is manually submitted: | Code: | root (hd0)
kernel /boot/vmlinuz-2.26.38-xenU0 root=/dev/sda1 ro |
Here's the domU's config file snipplet too: | Code: | # pvgrub
kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"
#extra='(hd0,0)/boot/grub/grub.conf'
extra = "(hd0)/boot/grub/menu.lst"
....
disk = [ 'phy:sda14,sda1,w', 'phy:sda15,sda2,w' ] |
along with conmand output snipplet as | Code: | Using config file "/etc/xen/xapppv0.1.vmx".
Started domain xapppv0 (id=8)
Xen Minimal OS!
start_info: 0xae0000(VA)
nr_pages: 0x28000
shared_inf: 0x9f805000(MA)
pt_base: 0xae3000(VA)
nr_pt_frames: 0x9
mfn_list: 0x9a0000(VA)
mod_start: 0x0(VA)
mod_len: 0
flags: 0x0
cmd_line: root=/dev/sda1 ro 4 << extra parameter value expected here AFAIU
stack: 0x95f9e0-0x97f9e0
MM: Init
_text: 0x0(VA)
_etext: 0x6f129(VA)
_erodata: 0x89000(VA)
_edata: 0x91c60(VA)
stack start: 0x95f9e0(VA)
_end: 0x99ffe0(VA)
start_pfn: aef
max_pfn: 28000
Mapping memory range 0xc00000 - 0x28000000
setting 0x0-0x89000 readonly
skipped 0x1000
MM: Initialise page allocator for c29000(c29000)-28000000(28000000)
MM: done
Demand map pfns at 28001000-2028001000.
Heap resides at 2028002000-4028002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x28001000.
Initialising scheduler
Thread "Idle": pointer: 0x2028002050, stack: 0xd80000
Initialising xenbus
Thread "xenstore": pointer: 0x2028002800, stack: 0xd90000
Dummy main: start_info=0x97fae0
Thread "main": pointer: 0x2028002fb0, stack: 0xda0000
Thread "pcifront": pointer: 0x2028003760, stack: 0xdb0000
"main" "root=/dev/sda1" "ro" "4"
pcifront_watches: waiting for backend path to appear device/pci/0/backend
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********
****************** BLKFRONT for device/vbd/2049 **********
backend at /local/domain/0/backend/vbd/8/2049
Failed to read /local/domain/0/backend/vbd/8/2049/feature-flush-cache.
33554432 sectors of 512 bytes
**************************
vbd 2050 is hd1
******************* BLKFRONT for device/vbd/2050 **********
backend at /local/domain/0/backend/vbd/8/2050
Failed to read /local/domain/0/backend/vbd/8/2050/feature-flush-cache.
6602652 sectors of 512 bytes
**************************
^M
GNU GRUB version 0.97 (655360K lower / 0K upper memory)^M
^M
[ Minimal BASH-like line editing is supported. For^M
the first word, TAB lists possible command^M
completions. Anywhere else TAB lists the possible^M
completions of a device/filename. ]^M
^M
^M
grubdom> |
Any idea how to solve this difficult issue?
Thanks for your attention. |
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pavel.riha
n00b
Joined: 24 Feb 2008
Posts: 3
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| Posted: Fri Apr 06, 2012 2:19 pm Post subject: Re: pvgrub ignores domU's 'extra' parameter |
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| CaptainBlood wrote: | Hi dear all,
However I write it, pvgrub 4.1.1-r1 reacts as if thete was no extra parameter in my domU config file.
So xm command fianlly take me to a grubdom prompt which ultimatly boots when following /boot/grub/grub.conf snipplet is manually submitted: | Code: | root (hd0)
kernel /boot/vmlinuz-2.26.38-xenU0 root=/dev/sda1 ro |
Here's the domU's config file snipplet too:[code]# pvgrub
kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"
#extra='(hd0,0)/boot/grub/grub.conf'
extra = "(hd0)/boot/grub/menu.lst"
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Hi, I have the same problem 
extra = "(hd0)/boot/grub/grub.conf"
and I get the grub prompt ..
I can even handwrite: "configfile (hd0)/boot/grub/grub.conf" and it displays the preconfigured menu and work like expected than..
no help here? maybe we should post a bug report? |
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hydrapolic
Tux's lil' helper
Joined: 07 Feb 2008
Posts: 126
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| Posted: Fri Jun 08, 2012 1:06 pm Post subject: |
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Works fine with:
app-emulation/xen-4.1.2
app-emulation/xen-pvgrub-4.1.2
app-emulation/xen-tools-4.1.2-r2
sys-kernel/gentoo-sources-3.4.0 |
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pavel.riha
n00b
Joined: 24 Feb 2008
Posts: 3
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| Posted: Sun Dec 16, 2012 1:14 pm Post subject: Re: pvgrub ignores domU's 'extra' parameter |
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I finaly found the problem!
you need to delete all lines about kernel params from domain config file.
in my case it was :
root = "/dev/xvda1 ro"
but there can be more
now it works |
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