On 7/5/26 5:05 PM, Andreas Schwab wrote:
On Jul 05 2026, Christophe Leroy (CS GROUP) wrote:
Le 04/07/2026 à 17:49, Andreas Schwab a écrit :
This breaks booting on the PowerMac G5 (PowerMac7,3), there is a panic
somwhere in an irq.
Do you have more details ? Like at least the dump of the panic Oops ?
NIP .power4_idle_nap+0x30/0x34
LR .power4_idle+0x64/0x70
--- interrupt: 900
.arch_spu_idle+0x88/0x100
.default_idle_call+0x3c/0x5c
.do_idle+0x194/0x2b4
.cpu_startup_entry+0x3c/0x40
.start_secondary+0x6b0/0x820
start_secondary_prolog+0x10/0x14
Can it be reproduced on QEMU ?
No, qemu does not support SMP.
Can you try "powersave=off" commandline to disable idlestate and
see if it boots?
Other call stacks are very likely not possible such as
sched_balance_find_src_group
