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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Can anyone successfully use serial console to debug XEN-4.0.1-rc6?
On Tue, Sep 21, 2010 at 11:37 AM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Tue, Sep 21, 2010 at 11:23:01AM -0400, Yuehai Xu wrote: >> Hi, >> >> I set my grub to use serial console: >> >> ... >> kernel /boot/xen.gz dom0_mem=1024m console=com1 com1=115200,8n1 > > That should work. It works for me. >> ... >> >> But I failed to get anything output from XEN. On the other hand, I can > > What is your serial device? Is it a PCI card or is it built in? It is a PCI card, as you said, after adding corresponding IRQ and IOPORT, it works. > >> get the output from kernel of Dom0 by this way: >> >> ... >> module /boot/vmlinuz-2.6.31.13 ro root=LABEL=/1 maxcpus=1 >> console=ttyS0,115200n8 >> ... >> >> So, should anything special parameters be configured in order to get >> the output of XEN? > > Not if it is a normal built-in serial device. If it is a PCI(or PCI-e or Mini > PCI-e) > then you have to fiddle a bit to find its ioport. It is discussed in detail > on the Wiki - > search PVOPS Wiki and then for the Serial Xen troubleshooting one - Mr. Pasi > made sure > to include a wealth of details on how to work this out. > Yeah, I'm afraid I don't read carefully about this wiki, ignoring the hints about IRQ and IOPORT, sorry for making noise. Thanks very much, Yuehai _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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