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xen-devel
Re: [Xen-devel] Re: logs attached. Re: [Xen-users] Can not findthe cdrom
See attached.
----- Original Message -----
From: "Keir Fraser" <keir@xxxxxxxxxxxxx>
To: "Keir Fraser" <keir@xxxxxxxxxxxxx>; "Liang Yang"
<multisyncfe991@xxxxxxxxxxx>; <tim.post@xxxxxxxxxxxxxxx>; "Petersson, Mats"
<Mats.Petersson@xxxxxxx>
Cc: <xen-devel@xxxxxxxxxxxxxxxxxxx>; <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Friday, December 01, 2006 11:58 AM
Subject: Re: [Xen-devel] Re: logs attached. Re: [Xen-users] Can not findthe
cdrom device in /dev/ afterbooted into xen(3.0.3)
Lspci -vvv output for native and Xen kernels may be useful, just for
device
00:1f.1 (the IDE device). Then we could see which I/O resources the device
is claiming in each case
-- Keir
On 1/12/06 6:56 pm, "Keir Fraser" <keir@xxxxxxxxxxxxx> wrote:
Actually, now I look closer it seems that on native the IDE I/O ports are
detected as 0x1860-0x1867, but the Xen kernel is failing to detect this
and
is then failing to register at the default 0x1f0, probably because a
legacy
ISA IDE driver is registered there. So there is definitely something odd
going on here but tracking it down will probably require adding some
kernel
tracing (e.g., to ide_hwif_configure(), to determine why it is failing to
find the special location of the IDE I/O ports).
-- Keir
On 1/12/06 6:48 pm, "Liang Yang" <multisyncfe991@xxxxxxxxxxx> wrote:
I just download Xen source and do "make world;make
install;depmod..;mkinitrd...". I don't know which config file will be
used
if I build Xen like this (maybe the config-2.6.16.29-xen under the
directory
dist/install/boot).
I did a grep with "CONFIG_BLK_DEV_PIIX" and found it it set to m in the
config-2.6.16.29-xen. I did a modprobe piix, however my CD-ROM is still
not
fired up (nothing is show up /dev/ as either cdrom or hd*).
Liang
----- Original Message -----
From: "Keir Fraser" <keir@xxxxxxxxxxxxx>
To: "Liang Yang" <multisyncfe991@xxxxxxxxxxx>;
<tim.post@xxxxxxxxxxxxxxx>;
"Petersson, Mats" <Mats.Petersson@xxxxxxx>
Cc: <xen-devel@xxxxxxxxxxxxxxxxxxx>; <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Friday, December 01, 2006 11:34 AM
Subject: [Xen-devel] Re: logs attached. Re: [Xen-users] Can not find the
cdrom device in /dev/ afterbooted into xen(3.0.3)
On 1/12/06 6:27 pm, "Liang Yang" <multisyncfe991@xxxxxxxxxxx> wrote:
Hi Tim, Keir and Mats,
I attached all the detailed log files (text file format). The file
extension
indicate the version of environment. Please take a look.
ESB2 should be supported by the piix IDE driver. Which XenLinux kernel
config are you using? Either you need the driver compiled into the
kernel,
or you need to load it as a module. Look for a line containing
CONFIG_BLK_DEV_PIIX in your .config -- it should be "=m" or "=y".
If it's compiled as a module, and you installed the modules on your
filesystem, you may be able to fire up the CDROM drive by typing
'modprobe
piix'.
-- Keir
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lspci_vvv.native
Description: Binary data
lspci_vvv.xen
Description: Binary data
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