linux-kernel - s32g2 crash

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Message-ID: <d2cd5a8a-c8fe-4a6b-9712-15755a4a5e3e@linaro.org>
Date: Tue, 15 Apr 2025 22:30:22 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: dl-S32 <S32@....com>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: s32g2 crash


Hi,

I've the following error when I run several grep in parallel.

How to reproduce:

for i in $(seq 1 6); do sudo grep -rI azertyuiop / & done

Even if the trace show v6.15-rc1-*dirty, the changed code is disabled.


[  442.556646] Internal error: synchronous external abort: 
0000000096000210 [#1]  SMP
[  442.564390] CPU: 3 UID: 0 PID: 384 Comm: grep Not tainted 
6.15.0-rc1-00010-g67d222ce45c5-dirty #245 PREEMPT
[  442.574403] Hardware name: NXP S32G2 Reference Design Board 2 
(S32G-VNP-RDB2) (DT)
[  442.582106] pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS 
BTYPE=--)
[  442.589194] pc : regmap_mmio_read32le+0x8/0x60
[  442.593724] lr : regmap_mmio_read+0x44/0x70
[  442.597981] sp : ffff800084423b60
[  442.601353] x29: ffff800084423b60 x28: ffff8000822b2000 x27: 
ffff000800a91c00
[  442.608632] x26: 0000000000000104 x25: ffff800084423dc0 x24: 
0000000000042000
[  442.615913] x23: ffff00005dc80000 x22: ffff000800a91c00 x21: 
ffff800084423c4c
[  442.623189] x20: 0000000000000010 x19: ffff0008002f8300 x18: 
00000000ffffffff
[  442.630466] x17: 0000000000000000 x16: 0000000000000000 x15: 
ffff800084423a80
[  442.637737] x14: 0000000000000001 x13: ffff00005dc80038 x12: 
000000000001e08f
[  442.645010] x11: 0000000000000000 x10: 0000000000000020 x9 : 
fffffdffc1772000
[  442.652283] x8 : 0000000000000020 x7 : 0000000000000002 x6 : 
000000000000003a
[  442.659556] x5 : ffff800080b6c808 x4 : 0000000000000010 x3 : 
0000000000000010
[  442.666828] x2 : ffff800080b6cf88 x1 : 0000000000000010 x0 : 
ffff800082d8d108
[  442.674103] Call trace:
[  442.676590]  regmap_mmio_read32le+0x8/0x60 (P)
[  442.681118]  _regmap_bus_reg_read+0x70/0xb0
[  442.685379]  _regmap_read+0x60/0xd8
[  442.688932]  regmap_read+0x4c/0x78
[  442.692396]  regmap_read_debugfs+0x138/0x3a0
[  442.696747]  regmap_map_read_file+0x28/0x34
[  442.701009]  full_proxy_read+0x70/0xd0
[  442.704830]  vfs_read+0xc4/0x324
[  442.708120]  ksys_read+0x70/0x108
[  442.711495]  __arm64_sys_read+0x1c/0x28
[  442.715401]  invoke_syscall+0x48/0x10c
[  442.719222]  el0_svc_common.constprop.0+0x40/0xe0
[  442.724013]  do_el0_svc+0x1c/0x28
[  442.727388]  el0_svc+0x30/0xcc
[  442.730500]  el0t_64_sync_handler+0x10c/0x138
[  442.734935]  el0t_64_sync+0x198/0x19c
[  442.738670] Code: b5000001 d65f03c0 f9400000 8b214000 (b9400000)
[  442.744871] ---[ end trace 0000000000000000 ]---
[  442.749569] note: grep[384] exited with irqs disabled
[  442.754898] note: grep[384] exited with preempt_count 1



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