* Re: luvOS yocto based project - "hvc0" respawning too fast [not found] <CAFoFrHaiWeGDoRqDAqnKdKy30d+NihfsrvgT4z06F+8OZV0ApA@mail.gmail.com> @ 2015-10-29 17:19 ` Naresh Bhat 2015-10-29 21:33 ` randy.e.witt 0 siblings, 1 reply; 3+ messages in thread From: Naresh Bhat @ 2015-10-29 17:19 UTC (permalink / raw) To: randy.e.witt; +Cc: Matt Fleming, Neri, Ricardo, oe-core, luv@lists.01.org +OE core ML On 27 October 2015 at 16:17, Naresh Bhat <naresh.bhat@linaro.org> wrote: > Hi Randy, > > The luvOS project is based on luv-yocto frame work. I have built the > luvOS project for AArch64 architecture using qemuarm64.conf machine > configuration file and boot the luvOS image on QEMU machine (used > latest QEMU git repository image i.e. qemu-system-aarch64 QEMU > v2.4.50) > > I am facing the following issue on the console "INIT: Id "hvc0" > respawning too fast: disabled for 5 minutes" > > ... > ..... > [-] kernel-efi-warnings > [+] EFI_BOOT_SERVICES_*_illegal_access... passed > > Ran 3 testsuites and 64 unittests, 53 passes, 15 fails, 3 skipped. > > Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 > > INIT: Id "hvc0" respawning too fast: disabled for 5 minutes > > Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 > > qemuarm64 login: root > root@qemuarm64:~# > root@qemuarm64:~# > > > Can you please let me know how did you tested this patch on QEMU and > what are the parameter's you have passed for command line ? Can you > please help me to overcome from the above issue ? > > I am using following script to launch the QEMU - > https://wiki.linaro.org/LEG/Engineering/luvOS#How_to_test_luvOS_image_on_QEMU > and I can see the below patch introduced the hvc0 > > [nareshbhat@Lenovo luv-yocto]$ git show f44e043c752470b1ed4d22f3732dc0b362f83fd9 > commit f44e043c752470b1ed4d22f3732dc0b362f83fd9 > Author: Randy Witt <randy.e.witt@linux.intel.com> > Date: Thu Aug 27 19:42:43 2015 -0700 > > qemuarm64.conf: Make the second serial console /dev/hvc0 > > Since the qemu for aarch64 must use a virtual console for the second > serial port rather than emulating actual hardware, make sure the correct > device is specified so that a tty is actually started. > > (From OE-Core rev: 5b720a69f0d181ab2de6032a6e3f5a0ee4a14302) > > Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com> > Signed-off-by: Ross Burton <ross.burton@intel.com> > Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> > > diff --git a/meta/conf/machine/qemuarm64.conf b/meta/conf/machine/qemuarm64.conf > index 7bbdad7..8459d0f 100644 > --- a/meta/conf/machine/qemuarm64.conf > +++ b/meta/conf/machine/qemuarm64.conf > @@ -9,4 +9,4 @@ MACHINE_FEATURES = "" > > KERNEL_IMAGETYPE = "Image" > > -SERIAL_CONSOLES = "38400;ttyAMA0 38400;ttyAMA1" > +SERIAL_CONSOLES = "38400;ttyAMA0 38400;hvc0" > [nareshbhat@Lenovo luv-yocto]$ > > > Thanks and Regards > -Naresh ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: luvOS yocto based project - "hvc0" respawning too fast 2015-10-29 17:19 ` luvOS yocto based project - "hvc0" respawning too fast Naresh Bhat @ 2015-10-29 21:33 ` randy.e.witt 2015-11-02 11:19 ` Naresh Bhat 0 siblings, 1 reply; 3+ messages in thread From: randy.e.witt @ 2015-10-29 21:33 UTC (permalink / raw) To: Naresh Bhat; +Cc: Matt Fleming, Neri, Ricardo, oe-core, luv@lists.01.org Hi Naresh, > +OE core ML > > On 27 October 2015 at 16:17, Naresh Bhat <naresh.bhat@linaro.org> wrote: >> Hi Randy, >> >> The luvOS project is based on luv-yocto frame work. I have built the >> luvOS project for AArch64 architecture using qemuarm64.conf machine >> configuration file and boot the luvOS image on QEMU machine (used >> latest QEMU git repository image i.e. qemu-system-aarch64 QEMU >> v2.4.50) >> >> I am facing the following issue on the console "INIT: Id "hvc0" >> respawning too fast: disabled for 5 minutes" >> The easiest way for you to get around this without creating your own image is to probably mimc what runqemu does. (which is the expected consumer of the qemu images) If you add "-device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon" to the qemu commandline, this will add the second serial port. >> ... >> ..... >> [-] kernel-efi-warnings >> [+] EFI_BOOT_SERVICES_*_illegal_access... passed >> >> Ran 3 testsuites and 64 unittests, 53 passes, 15 fails, 3 skipped. >> >> Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 >> >> INIT: Id "hvc0" respawning too fast: disabled for 5 minutes >> Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 >> >> qemuarm64 login: root >> root@qemuarm64:~# >> root@qemuarm64:~# >> >> >> Can you please let me know how did you tested this patch on QEMU and >> what are the parameter's you have passed for command line ? Can you >> please help me to overcome from the above issue ? >> >> I am using following script to launch the QEMU - >> https://wiki.linaro.org/LEG/Engineering/luvOS#How_to_test_luvOS_image_on_QEMU >> and I can see the below patch introduced the hvc0 >> >> [nareshbhat@Lenovo luv-yocto]$ git show >> f44e043c752470b1ed4d22f3732dc0b362f83fd9 >> commit f44e043c752470b1ed4d22f3732dc0b362f83fd9 >> Author: Randy Witt <randy.e.witt@linux.intel.com> >> Date: Thu Aug 27 19:42:43 2015 -0700 >> >> qemuarm64.conf: Make the second serial console /dev/hvc0 >> >> Since the qemu for aarch64 must use a virtual console for the second >> serial port rather than emulating actual hardware, make sure the >> correct >> device is specified so that a tty is actually started. >> >> (From OE-Core rev: 5b720a69f0d181ab2de6032a6e3f5a0ee4a14302) >> >> Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com> >> Signed-off-by: Ross Burton <ross.burton@intel.com> >> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> >> >> diff --git a/meta/conf/machine/qemuarm64.conf >> b/meta/conf/machine/qemuarm64.conf >> index 7bbdad7..8459d0f 100644 >> --- a/meta/conf/machine/qemuarm64.conf >> +++ b/meta/conf/machine/qemuarm64.conf >> @@ -9,4 +9,4 @@ MACHINE_FEATURES = "" >> >> KERNEL_IMAGETYPE = "Image" >> >> -SERIAL_CONSOLES = "38400;ttyAMA0 38400;ttyAMA1" >> +SERIAL_CONSOLES = "38400;ttyAMA0 38400;hvc0" >> [nareshbhat@Lenovo luv-yocto]$ >> >> >> Thanks and Regards >> -Naresh > ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: luvOS yocto based project - "hvc0" respawning too fast 2015-10-29 21:33 ` randy.e.witt @ 2015-11-02 11:19 ` Naresh Bhat 0 siblings, 0 replies; 3+ messages in thread From: Naresh Bhat @ 2015-11-02 11:19 UTC (permalink / raw) To: randy.e.witt; +Cc: Matt Fleming, Neri, Ricardo, oe-core, luv@lists.01.org Hi Randy, Thank you very much. On 30 October 2015 at 03:03, <randy.e.witt@linux.intel.com> wrote: > Hi Naresh, > >> +OE core ML >> >> On 27 October 2015 at 16:17, Naresh Bhat <naresh.bhat@linaro.org> wrote: >>> Hi Randy, >>> >>> The luvOS project is based on luv-yocto frame work. I have built the >>> luvOS project for AArch64 architecture using qemuarm64.conf machine >>> configuration file and boot the luvOS image on QEMU machine (used >>> latest QEMU git repository image i.e. qemu-system-aarch64 QEMU >>> v2.4.50) >>> >>> I am facing the following issue on the console "INIT: Id "hvc0" >>> respawning too fast: disabled for 5 minutes" >>> > > The easiest way for you to get around this without creating your own image > is to probably mimc what runqemu does. (which is the expected consumer of > the qemu images) > > If you add "-device virtio-serial-device -chardev null,id=virtcon -device > virtconsole,chardev=virtcon" to the qemu commandline, this will add the > second serial port. Excellent. Above suggestion works for me ..:) Now I am able to see the hvc devices root@qemuarm64:~# root@qemuarm64:~# ls /dev/ttyAMA0 /dev/ttyAMA0 root@qemuarm64:~# ls /dev/hvc* /dev/hvc0 /dev/hvc2 /dev/hvc4 /dev/hvc6 /dev/hvc1 /dev/hvc3 /dev/hvc5 /dev/hvc7 root@qemuarm64:~# Regards -Naresh >>> ... >>> ..... >>> [-] kernel-efi-warnings >>> [+] EFI_BOOT_SERVICES_*_illegal_access... passed >>> >>> Ran 3 testsuites and 64 unittests, 53 passes, 15 fails, 3 skipped. >>> >>> Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 >>> >>> INIT: Id "hvc0" respawning too fast: disabled for 5 minutes >>> Linux UEFI Validation Distribution 2.0-dev qemuarm64 ttyAMA0 >>> >>> qemuarm64 login: root >>> root@qemuarm64:~# >>> root@qemuarm64:~# >>> >>> >>> Can you please let me know how did you tested this patch on QEMU and >>> what are the parameter's you have passed for command line ? Can you >>> please help me to overcome from the above issue ? >>> >>> I am using following script to launch the QEMU - >>> https://wiki.linaro.org/LEG/Engineering/luvOS#How_to_test_luvOS_image_on_QEMU >>> and I can see the below patch introduced the hvc0 >>> >>> [nareshbhat@Lenovo luv-yocto]$ git show >>> f44e043c752470b1ed4d22f3732dc0b362f83fd9 >>> commit f44e043c752470b1ed4d22f3732dc0b362f83fd9 >>> Author: Randy Witt <randy.e.witt@linux.intel.com> >>> Date: Thu Aug 27 19:42:43 2015 -0700 >>> >>> qemuarm64.conf: Make the second serial console /dev/hvc0 >>> >>> Since the qemu for aarch64 must use a virtual console for the second >>> serial port rather than emulating actual hardware, make sure the >>> correct >>> device is specified so that a tty is actually started. >>> >>> (From OE-Core rev: 5b720a69f0d181ab2de6032a6e3f5a0ee4a14302) >>> >>> Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com> >>> Signed-off-by: Ross Burton <ross.burton@intel.com> >>> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> >>> >>> diff --git a/meta/conf/machine/qemuarm64.conf >>> b/meta/conf/machine/qemuarm64.conf >>> index 7bbdad7..8459d0f 100644 >>> --- a/meta/conf/machine/qemuarm64.conf >>> +++ b/meta/conf/machine/qemuarm64.conf >>> @@ -9,4 +9,4 @@ MACHINE_FEATURES = "" >>> >>> KERNEL_IMAGETYPE = "Image" >>> >>> -SERIAL_CONSOLES = "38400;ttyAMA0 38400;ttyAMA1" >>> +SERIAL_CONSOLES = "38400;ttyAMA0 38400;hvc0" >>> [nareshbhat@Lenovo luv-yocto]$ >>> >>> >>> Thanks and Regards >>> -Naresh >> > ^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-10-29 17:19 ` luvOS yocto based project - "hvc0" respawning too fast Naresh Bhat
2015-10-29 21:33 ` randy.e.witt
2015-11-02 11:19 ` Naresh Bhat
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