Re: [Qemu-devel] Maintainers, please tell us how to boot your machines!

[Cédric Le Goater]

On 3/12/19 6:36 PM, Markus Armbruster wrote:
> Dear board code maintainers,
> 
> This is a (rather late) follow-up to the last QEMU summit.  Minutes[*]:
> 
>  * Deprecating unmaintained features (devices, targets, backends) in QEMU
> 
>    QEMU has a mechanism to deprecate features but there remains a lot of
>    old unmaintained code.  Refactoring is hindered by untested legacy
>    code, so there is a desire to deprecate unmaintained features more
>    often.
> 
>    [...]
> 
>    We should require at least a minimal test for each board; if nobody
>    cares enough to come up with one, that board should be deprecated.
> 
>    [...]
> 
>    Also see the qemu-devel discussion about deprecating code:
>    https://lists.nongnu.org/archive/html/qemu-devel/2018-10/msg05828.html.
> 
> That's a link to "Minutes of KVM Forum BoF on deprecating stuff".
> Quote:
> 
>  * One obvious class of candidates for removal is machines we don't know
>    how to boot, or can't boot, say because we lack required firmware
>    and/or OS.
> 
>    Of course, "can boot" should be an automated test.  As a first step
>    towards that, we should at least document how to boot each machine.
>    We're going to ask machine maintainers to do that.
> 
> Let's get going on this.
> 
> I gathered the machine types, mapped them to source files, which I fed
> to get_maintainer.pl.  Results are appended.  If you're cc'ed,
> MAINTAINERS fingers you for at least one machine type's source file.
> Please tell us for all of them how to to a "meaningful" boot test.
> 
> For now, what's "meaningful" is entirely up to you.  Booting Linux
> certainly is.
> 
> Make sure to include a complete QEMU command line.  If your QEMU command
> line requires resources beyond the QEMU source tree and what we build
> from it, please detail them, and provide download URLs as far as
> possible.
> 
> Goals for this exercise:
> 
> * Gather information we need to cover more machines in our automated
>   testing.
> 
>   Related work:
>   [PATCH v4 00/19] Acceptance Tests: target architecture support
>   Message-Id: <address@hidden>
>   https://lists.gnu.org/archive/html/qemu-devel/2019-03/msg03881.html
> 
> * Maybe identify a few machines we don't know how to boot anymore.
> 
> Thanks in advance for your help!
> 
> 
> 
> Machines with at least one maintainer:
> 
>     = hw/alpha/dp264.c =
>     Richard Henderson <address@hidden> (maintainer:Alpha Machines)
> 
>     = hw/arm/aspeed.c =
>     "Cédric Le Goater" <address@hidden> (maintainer:ASPEED BMCs)
>     Peter Maydell <address@hidden> (maintainer:ASPEED BMCs)
>     Andrew Jeffery <address@hidden> (reviewer:ASPEED BMCs)
>     Joel Stanley <address@hidden> (reviewer:ASPEED BMCs)
>     address@hidden (open list:ASPEED BMCs)

I have checked the URLs but they could change in the future :

* palmetto-bmc

  
https://openpower.xyz/job/openbmc-build/lastSuccessfulBuild/distro=ubuntu,label=builder,target=palmetto/artifact/deploy/images/palmetto/flash-palmetto

  qemu-system-arm -m 512 -M palmetto-bmc -net 
nic,macaddr=C0:FF:EE:00:00:01,model=ftgmac100 -net 
user,id=netdev0,hostfwd=::2222-:22,hostname=ast1 -drive 
file=flash-palmetto,format=raw,if=mtd -nographic

* romulus-bmc

  
https://openpower.xyz/job/openbmc-build/lastSuccessfulBuild/distro=ubuntu,label=builder,target=romulus/artifact/deploy/images/romulus/flash-romulus

  qemu-system-arm -m 512 -M romulus-bmc -net 
nic,macaddr=C0:FF:EE:00:00:01,model=ftgmac100 -net 
user,id=netdev0,hostfwd=::2222-:22,hostname=ast1 -drive 
file=flash-romulus,format=raw,if=mtd -nographic

* ast2500-evb

  
https://openpower.xyz/job/openbmc-build/lastSuccessfulBuild/distro=ubuntu,label=builder,target=evb-ast2500/artifact/deploy/images/evb-ast2500/flash-evb-ast2500

  qemu-system-arm -m 512 -M ast2500-evb -net 
nic,macaddr=C0:FF:EE:00:00:01,model=ftgmac100 -net 
user,id=netdev0,hostfwd=::2222-:22,hostname=ast1 -drive 
file=flash-evb-ast2500,format=raw,if=mtd -nographic

* witherspoon-bmc

  
https://openpower.xyz/job/openbmc-build/lastSuccessfulBuild/distro=ubuntu,label=builder,target=witherspoon/artifact/deploy/images/witherspoon/obmc-phosphor-image-witherspoon.ubi.mtd

  qemu-system-arm -m 512 -M witherspoon-bmc -net 
nic,macaddr=C0:FF:EE:00:00:01,model=ftgmac100 -net 
user,id=netdev0,hostfwd=::2222-:22,hostname=ast1 -drive 
file=obmc-phosphor-image-witherspoon.ubi.mtd,format=raw,if=mtd -nographic

[ ... ]

>     = hw/ppc/pnv.c =
>     David Gibson <address@hidden> (maintainer:PowerPC)
>     address@hidden (open list:PowerPC)

* POWER8 

  
https://openpower.xyz/job/openpower/job/openpower-op-build/label=slave,target=palmetto/lastSuccessfulBuild/artifact/images/rootfs.cpio.xz

  
https://openpower.xyz/job/openpower/job/openpower-op-build/label=slave,target=palmetto/lastSuccessfulBuild/artifact/images/zImage.epapr

  qemu-system-ppc64 -m 2G -machine powernv -cpu POWER8  -kernel ./zImage.epapr 
-initrd ./rootfs.cpio.xz -nographic

* POWER9 

  needs a skiboot update.

Thanks, 

C.