Hi Dan!
On Thu, 2023-09-28 at 10:52 +0100, Dan Whitehouse wrote:
> 0.000000] MSR: 00009032 <EE,ME,IR,DR,RI> CR: 48024242 XER: 00000000
> 0.000000]
> 0.000000] GPR00: c0b29234 c13fde60 c12f3580 c12f3580 c12f3580 c13fde74 0000
> cc0 00000000
> 0.000000] GPR08: 00000000 00009032 00000000 00000000 28024242 00000000 0000
> 000 00000004
> 0.000000] GPR16: 02d159f4 00000000 02d1515c c00f6d38 00000000 00000004 0000
> cc0 00000000
> 0.000000] GPR24: c12f398c c0b29704 00000001 00000003 c12f3580 c1305080 c12f
> 5cc c12f3580
> 0.000000] NIP [c0b28e4c] __schedule+0x364/0x920
> 0.000000] LR [c0b29234] __schedule+0x74c/0x920
> 0.000000] --- interrupt: 900
> 0.000000] [c13fdeb0] [c0b29704] __cond_resched+0x40/060
> 0.000000] [c13fdec0] [c0b2b5f0] mutex_lock_killable+0x24/0x74
> 0.000000] [c13fdee0] [c02c3930] pcpu_alloc+0x54c/0x798
> 0.000000] [c13fdf50] [c00f6d38] alloc_desc.irsa.0+0x60/0x174
> 0.000000] [c13fdf80] [c1199c58] early_irq_init+0x70/0x9c
> 0.000000] [c13fdfa0] [c1183abc] start_kernel+0x4e4/0x640
> 0.000000] [c13fdff0] [00003540] 0x3540
> 0.000000] Code: 7d2a01a4 4c00012c 4bffff28 7c0802a6 90010004 60000000 9421f
> e0 7c0802a6 3d20c141 93e1001c 90010024 83e9c294 <943f1ff0> 7fe1fb78 48b24909 80
> 10000
> 0.000000] ---[ end trace 0000000000000000 ]---
> 0.000000]
> 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
> 0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle t
> ask! ]---
>
This looks like something that can be bisected. If I find the time next week, I can
give it a go and see if I can find where the regression was introduced.
In the meantime, I recommend reporting this to the Linux PowerPC kernel mailing list
where the actual PowerPC kernel maintainers can be reached.
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913