Part Number: AM5748
Hello
As of Kernel 4.19 (TI RT Linux SDK 6.0) we get a Kernel warning on our custom HW (AM5748 GP). It does not show on IDK57x.
[ 0.366733] omap_hwmod: l3_main_2 using broken dt data from ocp
[ 0.556573] ------------[ cut here ]------------
[ 0.556596] WARNING: CPU: 0 PID: 32 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x338/0x388
[ 0.556607] 44000000.ocp:L3 Custom Error: MASTER TC1_EDMA TARGET DMM_P1 (Idle): Data Access in User mode during Functional access
[ 0.556615] Modules linked in:
[ 0.556632] CPU: 0 PID: 32 Comm: irq/23-l3-app-i Not tainted 4.19.73-rt25-g098cfb586a #1
[ 0.556635] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 0.556638] Backtrace:
[ 0.556651] [<c020deb8>] (dump_backtrace) from [<c020e220>] (show_stack+0x20/0x24)
[ 0.556657] r7:00000093 r6:60000013 r5:00000000 r4:c1eafc3c
[ 0.556666] [<c020e200>] (show_stack) from [<c0b23198>] (dump_stack+0x90/0xa4)
[ 0.556675] [<c0b23108>] (dump_stack) from [<c02318a8>] (__warn.part.1+0xcc/0xe8)
[ 0.556681] r7:00000093 r6:00000009 r5:00000000 r4:ef34fe1c
[ 0.556689] [<c02317dc>] (__warn.part.1) from [<c023193c>] (warn_slowpath_fmt+0x78/0x94)
[ 0.556693] r7:c060efb4 r6:00000093 r5:c0e5e934 r4:c1e07488
[ 0.556701] [<c02318c8>] (warn_slowpath_fmt) from [<c060efb4>] (l3_interrupt_handler+0x338/0x388)
[ 0.556704] r3:ef2d38c0 r2:c0e5e904
[ 0.556708] r7:c0e5e860 r6:c0e5ece0 r5:00000000 r4:80080003
[ 0.556717] [<c060ec7c>] (l3_interrupt_handler) from [<c0298ff4>] (irq_forced_thread_fn+0x30/0xa8)
[ 0.556723] r10:00000001 r9:c0298fc4 r8:00000000 r7:ffffe000 r6:ef2d3ce4 r5:ef2d3cc0
[ 0.556725] r4:ef147a00
[ 0.556732] [<c0298fc4>] (irq_forced_thread_fn) from [<c02993f0>] (irq_thread+0x148/0x234)
[ 0.556736] r7:ffffe000 r6:ef2d3ce4 r5:ef2d3cc0 r4:ef147a00
[ 0.556743] [<c02992a8>] (irq_thread) from [<c0254f14>] (kthread+0x16c/0x174)
[ 0.556749] r10:ef17da84 r9:c02992a8 r8:ef2d3cc0 r7:ef34e000 r6:00000000 r5:ef2d3d00
[ 0.556751] r4:ef2ee080
[ 0.556758] [<c0254da8>] (kthread) from [<c02010e0>] (ret_from_fork+0x14/0x34)
[ 0.556761] Exception stack(0xef34ffb0 to 0xef34fff8)
[ 0.556766] ffa0: 00000000 00000000 00000000 00000000
[ 0.556771] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 0.556775] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 0.556780] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0254da8
[ 0.556783] r4:ef2d3d00
[ 0.556786] ---[ end trace 0000000000000001 ]---
Could you check what it means are how we can get rid of it?
Regards, Chris
