On Fri, Sep 29, 2017 at 11:12 PM, Julien Grall <julien.gr...@arm.com> wrote:
> > > On 09/29/2017 09:15 AM, bharat gohil wrote: > >> Hello >> > > Hi, > > Please avoid top-posting. > > The patch didn't work in my case. >> > > The patch will be useful only if the compatible string in the DT of your > UART is "snps,dw-apb-uart". What is the compatible string for it? > In my case, compatible string is "ns16550a". Thanks, > > Cheers, > > Thanks, >> Bharat >> >> On Mon, Sep 25, 2017 at 11:38 PM, Oleksandr Tyshchenko < >> olekst...@gmail.com <mailto:olekst...@gmail.com>> wrote: >> >> Hi, Bharat >> >> On Mon, Sep 25, 2017 at 8:40 PM, bharat gohil <ghl.b...@gmail.com >> <mailto:ghl.b...@gmail.com>> wrote: >> >> > >> > >> > On 25-Sep-2017 6:59 PM, "Julien Grall" <julien.gr...@arm.com >> <mailto:julien.gr...@arm.com>> wrote: >> > >> > Hi, >> > >> > I am using same setup. >> > It just my guess because no response to key ctrl+a input. >> > >> > SoC has 8250 compitible UART.I will print character in receive >> handler of >> > UART in Xen. Do we have any other hook test this? >> >> Maybe you got stuck in the UART interrupt handler. Can you recheck? >> >> If so, can you take a look at the patch which has been posted >> recently: >> https://patchwork.kernel.org/patch/9959003/ >> <https://patchwork.kernel.org/patch/9959003/> >> >> > >> > One more thing, is big-little supported in xen? >> > How Xen distribute load among the CPUs or Xen only run in context >> of the >> > guest only? >> > In my setup Dom0 use energy aware scheduler. >> > >> > Thanks, >> > Bharat >> > >> > >> > On 09/25/2017 01:53 PM, bharat gohil wrote: >> >> >> >> Hello Andrii, >> >> >> >> I tried but no success. >> >> It looks, Xen is not running. >> > >> > >> > I am a bit confused... on one of the previous e-mail you posted >> log from >> > Xen: >> > >> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to >> switch input to >> > Xen) >> > >> > (XEN) Freed 272kB init memory. >> > >> > So unless you have a completely new setup, Xen is definitely >> running. >> > However, what may happen is the serial driver in Xen does not >> receive input >> > characters. >> > >> > One of the first test would be to check whether the driver >> effectively >> > receive characters. >> > >> > Cheers, >> > >> >> >> >> Thanks, >> >> Bharat >> >> >> >> >> >> On Mon, Sep 25, 2017 at 5:45 PM, Andrii Anisov >> <andrii_ani...@epam.com <mailto:andrii_ani...@epam.com> >> >> <mailto:andrii_ani...@epam.com <mailto:andrii_ani...@epam.com>>> >> wrote: >> >> >> >> Hello Bharat, >> >> >> >> >> >> On 25.09.17 11:42, bharat gohil wrote: >> >> >> >> Hello Wilk, >> >> >> >> I had try Ctrl+a three times and 'd' but no dump on the >> serial >> >> console. >> >> >> >> Its a way to switch to XEN debug console. In case you are >> using >> >> minicom, you should press Ctrl+A six times, then you will >> see the >> >> line like following: >> >> (XEN) *** Serial input -> Xen (type 'CTRL-a' three times >> to >> >> switch input to DOM0) >> >> >> >> Then you can press 'h' for seeing installed key handlers. >> >> >> >> But all of this requires XEN to be running somehow. >> >> >> >> -- >> >> *Andrii Anisov* >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> Regards, >> >> Bharat Gohil >> >> Sr.Software Engineer >> >> bharat.go...@harman.com <mailto:bharat.go...@harman.com> >> <mailto:bharat.go...@harman.com <mailto:bharat.go...@harman.com>> >> >> +919427054633 <tel:%2B919427054633> >> > >> > >> > -- >> > Julien Grall >> > >> > >> >> >> >> -- >> Regards, >> >> Oleksandr Tyshchenko >> >> >> >> >> -- >> Regards, >> Bharat Gohil >> Sr.Software Engineer >> bharat.go...@harman.com <mailto:bharat.go...@harman.com> >> +919427054633 >> > > -- > Julien Grall > -- Regards, Bharat Gohil Sr.Software Engineer bharat.go...@harman.com +919427054633
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