v2026.04 crashing on Marvell Armada 3720

[Quentin Schulz]

Hi Ben,

On 4/28/26 11:45 PM, Ben Schneider wrote:
> [You don't often get email from ben at bens.haus. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
> 
> Hi, with v2026.04 my device crashes on boot (v2026.01 works fine). It is an ARMv8 device (Marvell Armada 3720). The config I use is mvebu_espressobin_ultra-88f3720_defconfig. v2026.07-rc1 is also crashing. The crash dump output when trying to boot v2026.07-rc1 is:
> 
> "Synchronous Abort" handler, esr 0x96000044, far 0xd5380000aa1e03fd
> elr: 00000000000369d0 lr : 0000000000036a2c (reloc)
> elr: 000000003ff4a9d0 lr : 000000003ff4aa2c
> x0 : 0000000000000098 x1 : d5380000aa1e03fd
> x2 : 0000000000000000 x3 : 0000000000000000
> x4 : 000000003fb07b00 x5 : 0000000000000000
> x6 : 0000000000000000 x7 : 000000003fb07b20
> x8 : 000000003faff62c x9 : 000000003fb00014
> x10: 0000000000000000 x11: 0000000000000600
> x12: 000000003faff6ec x13: 000000003faff990
> x14: 000000003faff990 x15: 000000003faff3e0
> x16: 0000000000000000 x17: 0000000000000000
> x18: 000000003fb03e10 x19: 0000000000000000
> x20: 000000003fb07780 x21: 000000003fb077a0
> x22: 0000000000000000 x23: 0000000000000000
> x24: 0000000000000000 x25: 0000000000000000
> x26: 0000000000000000 x27: 0000000000000000
> x28: 0000000000000000 x29: 000000003faff780
> 
> Code: f9405261 f9005274 f81e02a0 f9000681 (f9000034)
> 
> All code
> ========
>     0: f9405261 ldr x1, [x19, #160]
>     4: f9005274 str x20, [x19, #160]
>     8: f81e02a0 stur x0, [x21, #-32]
>     c: f9000681 str x1, [x20, #8]
>    10:* f9000034 str x20, [x1] <-- trapping instruction
> 
> Code starting with the faulting instruction
> ===========================================
>     0: f9000034 str x20, [x1]
> 
> 
> I tried to look up 00000000000369d0 in u-boot.map, but it was not there for some reason. Any guidance would be appreciated.
> 

It'd be super helpful if you can pinpoint which commit between v2026.01 
and v2026.04 releases is the culprit.

git bisect v2026.04 v2026.01

should help with that I believe.

Thanks!
Quentin