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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] How to enable serial driver on 2.6.18 for Intel DQ35JO?
I will try that tomorrow. This should work even I don't see any tty in dom0 dmesg? Thanks, Neo 2008/6/20 Jean Guyader <jean.guyader@xxxxxxxxx>: > Neo, > > You should try in your config file: > > serial="/dev/ttyS0" > > 2008/6/20 Neo Jia <neojia@xxxxxxxxx>: >> I need to pass through (not VT-d) the real serial port to the DomU and >> debug it with kgdb. And I even can't see anything in my dmesg | grep >> tty, which is executed in dom0. >> >> I just compared the linux-xen config file for x86_64 and x86_32. It >> looks that we disable the serial 8250 driver on x86_64 machine. >> >> Thanks, >> Neo >> >> >> >> On Fri, Jun 20, 2008 at 1:41 AM, Grzegorz Miłoś <gm281@xxxxxxxxx> wrote: >>>> I need to use the onboard serial port to debug DomU. But I can't see >>>> it from the dmesg | grep tty output. >>> >>> Serial port is (usually) assigned to Xen + Dom0. You can however use >>> xencons to debug your DomU. >>> Gerd Hoffman's XenSummit presentation is a good resource to learn about >>> xencons: >>> http://xen.xensource.com/files/xensummit_4/xensummit_linux_console_slides.pdf >>> >>> In my DomU config files I have: >>> extra = "console=xvc0 xencons=xvc" >>> This should be enough to get you started. >>> >>> Cheers >>> Gr(z)egor(z) >>> >>>> >>>> Is there anybody can use this board to debug DomU? >>>> >>>> Thanks, >>>> Neo >>>> -- >>>> I would remember that if researchers were not ambitious >>>> probably today we haven't the technology we are using! >>>> >>>> _______________________________________________ >>>> Xen-devel mailing list >>>> Xen-devel@xxxxxxxxxxxxxxxxxxx >>>> http://lists.xensource.com/xen-devel >>>> >>> >> >> >> >> -- >> I would remember that if researchers were not ambitious >> probably today we haven't the technology we are using! >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> http://lists.xensource.com/xen-devel >> >> > > > > -- > Jean Guyader > -- I would remember that if researchers were not ambitious probably today we haven't the technology we are using! _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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