Dear Sir or Madam,
Our product uses the Davinci dm6446-810 (TMX320DM6446AZWT8) and mvpro 4.0 - linux MV 2.6.10 kernel.
Recently, we have the crash problem to our device. Please see the crashdump below.
Internal error: Oops - undefined instruction: 0 [#1]
Modules linked in: 1 wspi spi iomgr ftdi_sio pl2303 usbserial davinci_HRT_driver gen_edma davinci_rsz_driver dsplinkk cmemk
CPU: 0
PC is at 0xc02773b0
LR is at __rcu_process_callbacks+0x1ec/0x258
pc : [<c02773b0>] lr : [<c0051388>] Tainted: PF
sp : c4677e88 ip : c4677e58 fp : c4677eac
r10: c02d48a0 r9 : c02cccc0 r8 : c02d63e4
r7 : c02d48f0 r6 : 00000000 r5 : c02d63b4 r4 : c02d4af4
r3 : c4677e58 r2 : 00209d0c r1 : 00000000 r0 : c4677e58
Flags: NzCv IRQs on FIQs on Mode SVC_32 Segment user
Control: 5317F Table: 84404000 DAC: 00000015
Process default.hotplug (pid: 23338, stack limit = 0xc46761a0)
Stack: (0xc4677e88 to 0xc4678000)
7e80: c00487a4 00000000 c02d48c4 00000001 c02d48f0 0000000a
7ea0: c4677ebc c4677eb0 c0051410 c00511ac c4677ed4 c4677ec0 c0043e28 c0051404
7ec0: c4676000 00000102 c4677efc c4677ed8 c00438dc c0043db8 c4676000 00000000
7ee0: ffffffff 00000001 c4676000 c4677f68 c4677f14 c4677f00 c00439b8 c0043898
7f00: c4676000 c4676000 c4677f2c c4677f18 c0043b70 c0043990 c4676000 c4677f9c
7f20: c4677f64 c4677f30 c002a300 c0043b34 00000001 c5c5d320 c4677f84 c4677f9c
7f40: e1048000 ffffffff 00000001 c4676000 00000000 40205000 00000000 c4677f68
7f60: c00285c0 c002a1f0 402067cc 0000000f 00000000 00000001 c0276fc4 40161080
7f80: 20000010 00053177 c4677fec befff828 40205000 00000000 000a34d8 c4677fb0
7fa0: 40162a0c c002894c 20000013 ffffffff 402067cc 0000000f 00000000 00000001
7fc0: 402067cc 402067cc 0000000f 00003618 00000003 befff828 40205000 000b9570
7fe0: 000a34d8 befff740 40162a64 40161080 20000010 ffffffff 00000000 00000000
Backtrace:
[<c005119c>] (__rcu_process_callbacks+0x0/0x258) from [<c0051410>] (rcu_process_callbacks+0x1c/0x48)
r8 = 0000000A r7 = C02D48F0 r6 = 00000001 r5 = C02D48C4
r4 = 00000000
[<c00513f4>] (rcu_process_callbacks+0x0/0x48) from [<c0043e28>] (tasklet_action+0x80/0xcc)
[<c0043da8>] (tasklet_action+0x0/0xcc) from [<c00438dc>] (___do_softirq+0x54/0xf8)
r5 = 00000102 r4 = C4676000
[<c0043888>] (___do_softirq+0x0/0xf8) from [<c00439b8>] (__do_softirq+0x38/0x58)
[<c0043980>] (__do_softirq+0x0/0x58) from [<c0043b70>] (irq_exit+0x4c/0x60)
r5 = C4676000 r4 = C4676000
[<c0043b24>] (irq_exit+0x0/0x60) from [<c002a300>] (asm_do_IRQ+0x120/0x138)
r4 = C4677F9C
[<c002a1e0>] (asm_do_IRQ+0x0/0x138) from [<c00285c0>] (__irq_svc+0x40/0x74)
Code: c0277054 c0277070 cc819780 cc354d00 (ff000000)
<0>Kernel panic - not syncing: Aiee, killing interrupt handler!
Could you please help us to solve this problem?
We find a similar issue at URL: http://e2e.ti.com/support/embedded/f/354/p/37690/133963.aspx
Thanks,
