Hello,
I am working on omap3430 with 2.6.24 kernel, while booting the
kernel is crashing ,
the kernel message is shown below.
*************************************************************************************************
Unhandled fault: external abort on non-linefetch (0x1008) at 0xc885802c
Internal error: : 1008 [#1]
Modules linked in:
CPU: 0 Not tainted (2.6.24.7-omap1-arm2-g0d138099-dirty #6)
PC is at omap_mmc_set_ios+0xac/0x2c8
LR is at schedule_timeout+0x98/0xb8
pc : [<c0233450>] lr : [<c02e6090>] psr: 60000013
sp : c7c6bf38 ip : c7c6bec8 fp : c7c6bf54
r10: 00000000 r9 : 00000000 r8 : 00000000
r7 : c77d0540 r6 : c77d05a0 r5 : c7c6bf6c r4 : c77d0400
r3 : 00000f07 r2 : c8858000 r1 : 00000002 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 00c5387f Table: 80004018 DAC: 00000017
Process kmmcd (pid: 109, stack limit = 0xc7c6a2e8)
Stack: (0xc7c6bf38 to 0xc7c6c000)
bf20: c77d0400 c7c6bf6c
bf40: c022c3e0 c7c96a60 c7c6bf64 c7c6bf58 c022ba98 c02333b0 c7c6bf84 c7c6bf68
bf60: c022c508 c022ba54 00000000 00000000 c7c96a60 c7c6a000 c7c6bfa4 c7c6bf88
bf80: c0095ed0 c022c3ec c7c96a68 c7c6bfb8 c7cb9700 c7c96a60 c7c6bfdc c7c6bfa8
bfa0: c0096900 c0095e40 c7c6bfdc 00000000 c7cb9700 c009a124 c7c6bfb8 c7c6bfb8
bfc0: c7c96a60 c0096854 00000000 00000000 c7c6bff4 c7c6bfe0 c0099c70 c0096860
bfe0: 00000000 00000000 00000000 c7c6bff8 c0089ad0 c0099c28 00000000 00000000
Backtrace:
[<c02333a4>] (omap_mmc_set_ios+0x0/0x2c8) from [<c022ba98>]
(mmc_power_off+0x50/0x54)
r7:c7c96a60 r6:c022c3e0 r5:c7c6bf6c r4:c77d0400
[<c022ba48>] (mmc_power_off+0x0/0x54) from [<c022c508>] (mmc_rescan+0x128/0x188)
[<c022c3e0>] (mmc_rescan+0x0/0x188) from [<c0095ed0>] (run_workqueue+0x9c/0x118)
r5:c7c6a000 r4:c7c96a60
[<c0095e34>] (run_workqueue+0x0/0x118) from [<c0096900>]
(worker_thread+0xac/0xc0)
r7:c7c96a60 r6:c7cb9700 r5:c7c6bfb8 r4:c7c96a68
[<c0096854>] (worker_thread+0x0/0xc0) from [<c0099c70>] (kthread+0x54/0x80)
r7:00000000 r6:00000000 r5:c0096854 r4:c7c96a60
[<c0099c1c>] (kthread+0x0/0x80) from [<c0089ad0>] (do_exit+0x0/0x6d4)
r5:00000000 r4:00000000
Code: e5923128 e3833002 ea000006 e5962044 (e592302c)
---[ end trace db388d58efbe09b5 ]---
********************************************************************************************************
But if i disable the backlight driver while compiling, then kernel
booting goes smoothly.
where the backlight driver is no more related to MMC driver.
--
Regards
Manjunatha H
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