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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 11:23:01AM -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? > 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. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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