[Bisected] Does latest qemu (from git) still works with -M g3beige machine?

[Andrew Randrianasulu]

----------  Пересланное сообщение  ----------

Тема: Does latest qemu (from git) still works with -M g3beige machine?
Дата: Суббота 23 ноября 2019
Отправитель: Andrew Randrianasulu <address@hidden>
Получатель:  "address@hidden" <address@hidden>

I tried qemu git (up to commit  2061735ff09f9d5e67c501a96227b470e7de69b1) 
and finnix-ppc-110.iso.

qemu-system-ppc -cdrom ~/finnix-ppc-110.iso -M g3beige -boot d
It doesn't boot past initial bootloader messages. If I use 'debug' kernel it 
shows some
messages and then freezes.

qemu-system-ppc -cdrom ~/finnix-ppc-110.iso -boot d -M mac99,via=pmu-adb
works, also with just  -M mac99 

Host is 32-bit Slackware distribution, with gcc 5.5.0
Any ideas how to debug this?

Update: bisect pointed at commit cd8843ff25d62a0af747517289a4f330b1ae2a6e
  mos6522: fix T1 and T2 timers

 git bisect log
git bisect start
# bad: [2061735ff09f9d5e67c501a96227b470e7de69b1] Merge remote-tracking branch 
'remotes/bonzini/tags/for-upstream' into staging
git bisect bad 2061735ff09f9d5e67c501a96227b470e7de69b1
# good: [844178e7b327690068baeb45d413bc84d797db6b] Merge remote-tracking branch 
'remotes/stsquad/tags/pull-gitdm-next-271019-1' into staging
git bisect good 844178e7b327690068baeb45d413bc84d797db6b
# good: [80d1c10b2243866a86d0c1eb919b94aadda2aba0] Merge remote-tracking branch 
'remotes/philmd-gitlab/tags/mips-next-20191105' into staging
git bisect good 80d1c10b2243866a86d0c1eb919b94aadda2aba0
# good: [e10bf1fe00eceb2dbff973f5939036ef3f3c77a4] Merge remote-tracking branch 
'remotes/kraxel/tags/seabios-20191113-pull-request' into staging
git bisect good e10bf1fe00eceb2dbff973f5939036ef3f3c77a4
# bad: [3a6606c7aa1e6e687e435c1eae929a396bd866e3] ssi: xilinx_spips: Skip spi 
bus update for a few register writes
git bisect bad 3a6606c7aa1e6e687e435c1eae929a396bd866e3
# bad: [a5c2a235103ab366ad5318636ec138e52c6dcfa4] Merge remote-tracking branch 
'remotes/kevin/tags/for-upstream' into staging
git bisect bad a5c2a235103ab366ad5318636ec138e52c6dcfa4
# bad: [bbe165740a96f67f48ecd3029dc26bdd7fd5192c] Merge remote-tracking branch 
'remotes/vivier2/tags/ppc-for-4.2-pull-request' into staging
git bisect bad bbe165740a96f67f48ecd3029dc26bdd7fd5192c
# good: [369e8f5bbd8a5301bde6fae22b93fe9288c552a5] buildfix: update texinfo menu
git bisect good 369e8f5bbd8a5301bde6fae22b93fe9288c552a5
# good: [0a83b47055246d3942084f03fc54731c4fb9b731] ppc: Skip partially 
initialized vCPUs in 'info pic'
git bisect good 0a83b47055246d3942084f03fc54731c4fb9b731
# good: [165dc3edd7f705c6c10908860b8c72e55eadd04b] spapr/kvm: Set default cpu 
model for all machine classes
git bisect good 165dc3edd7f705c6c10908860b8c72e55eadd04b
# bad: [cd8843ff25d62a0af747517289a4f330b1ae2a6e] mos6522: fix T1 and T2 timers
git bisect bad cd8843ff25d62a0af747517289a4f330b1ae2a6e
# first bad commit: [cd8843ff25d62a0af747517289a4f330b1ae2a6e] mos6522: fix T1 
and T2 timers


-------------------------------------------------------