Re: [Xen-devel] A snapshot is not (really) a cow

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> The first few lines in /var/log/messages show that something is 
> immediately trying to use nbd devices, way before any service in 
> /etc/init.d/ can get a sniff at it.

I can't deduce that from your output, which doesn't contain other
kernel messages to put it in context.
 
> I think nbd used to be a module the xen0 config, but I see it's now 
> compiled into the kernel - could there be a device number confusion 
> somewhere? According to devices.txt network block devices have block 
> major 43.

I don't believe we're using block major 43.

I still think these messages are most likely being caused by
something in your command line, init.d, fstab etc.

Ian

> ---- start of boot sequence in /var/log/messages ----
> ---- I don't know where 'or 0'  comes from ------------
> Sep 27 08:23:29 a4 syslogd 1.4.1: restart.
> Sep 27 08:23:29 a4 kernel: klogd 1.4.1, log source = /proc/kmsg started.
> Sep 27 08:23:29 a4 kernel: Inspecting /boot/System.map-2.6.8.1-xen0
> Sep 27 08:23:29 a4 partmon: Checking if partitions have enough free 
> diskspace:
> Sep 27 08:23:30 a4 kernel: Loaded 19997 symbols from 
> /boot/System.map-2.6.8.1-xen0.
> Sep 27 08:23:30 a4 kernel: Symbols match kernel version 2.6.8.
> Sep 27 08:23:30 a4 kernel: No module symbols loaded - kernel modules not 
> enabled.
> Sep 27 08:23:30 a4 kernel: or 0
> Sep 27 08:23:30 a4 kernel: nbd60: Request when not-ready
> Sep 27 08:23:30 a4 kernel: end_request: I/O error, dev nbd60, sector 0
> Sep 27 08:23:30 a4 kernel: nbd61: Request when not-ready
> Sep 27 08:23:30 a4 kernel: end_request: I/O error, dev nbd61, sector 0
> ...


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