[beagleboard] omap dss is crashing

[Nilly]

Hi ,

My omap dss is crashing after some time.logs are below.

[ 3292.200073] Unhandled fault: external abort on non-linefetch
(0x1028) at 0xfa050018
[ 3292.207855] Internal error: : 1028 [#1] PREEMPT
[ 3292.212432] last sysfs file: /sys/devices/platform/omapdss/overlay1/
enabled
[ 3292.219421] Modules linked in: g_zero ircomm_tty ircomm irda ipv6
[ 3292.225616] CPU: 0 Not tainted (2.6.32 #1)
[ 3292.230102] PC is at dss_irq_handler_omap3+0xc/0x34
[ 3292.235015] LR is at handle_IRQ_event+0xac/0x1ec
[ 3292.239654] pc : [<c0277ed4>] lr : [<c009df58>] psr: 60000113
[ 3292.239654] sp : c6dd1e28 ip : c6dd1e58 fp : c0667560
[ 3292.251220] r10: 00000000 r9 : 00000000 r8 : 00000019
[ 3292.256469] r7 : c6dd0000 r6 : c793d840 r5 : c0633378 r4 :
c793d840
[ 3292.263031] r3 : fa050000 r2 : c0667540 r1 : 00000000 r0 :
00000019
[ 3292.269592] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM
Segment user
[ 3292.276763] Control: 10c5387d Table: 86e94019 DAC: 00000015
[ 3292.282562] Process sh (pid: 2020, stack limit = 0xc6dd02f0)
[ 3292.288238] Stack: (0xc6dd1e28 to 0xc6dd2000)
[ 3292.292633] 1e20: c793d840 c009df58 c0067d7c
c793d840 c0633378 00000019
[ 3292.300842] 1e40: 00000002 00000001 c6dd0000 c06aced8 40000013
c00a0120 00000019 00000000
[ 3292.309082] 1e60: c7909740 c0035074 00000003 ffffffff fa200000
c0035b44 00000001 000002fe
[ 3292.317321] 1e80: c06ac7f4 00000000 00000000 c06aced8 c7909740
00000003 00000001 00000044
[ 3292.325531] 1ea0: c06aced8 40000013 c6dd1e98 c6dd1ec0 c004b308
c027fb60 60000013 ffffffff
[ 3292.333770] 1ec0: 00000400 00000000 00000000 c6cc0000 c6dd1ef4
c7909800 00000002 c064a618
[ 3292.342010] 1ee0: c7b72d18 c6dd1f80 000aa008 c0280664 000aa008
00000000 80bc0000 c9800000
[ 3292.350219] 1f00: 05000500 000002d0 00000400 00000000 00000000
00000000 05000000 00ff02d0
[ 3292.358459] 1f20: c7b54ec0 00000002 c79e4758 c7b72d00 c7909800
c0280010 c79e4758 c013bc2c
[ 3292.366699] 1f40: c7b54ec0 4001e000 c6dd1f80 4001e000 00000002
c6dd0000 00000001 c00e67bc
[ 3292.374908] 1f60: 00000003 00000005 00000000 00000000 c7b54ec0
4001e000 00000002 c00e6968
[ 3292.383148] 1f80: 00000000 00000000 c0036144 00000000 00000002
4001e000 401ac600 00000004
[ 3292.391357] 1fa0: c0036144 c0035fc0 00000002 4001e000 00000001
4001e000 00000002 00000000
[ 3292.399597] 1fc0: 00000002 4001e000 401ac600 00000004 00000002
000aa3f0 00000001 000aa008
[ 3292.407836] 1fe0: 00000000 bed2a508 400f5730 4014281c 60000010
00000001 7d7f8081 6e70767c
[ 3292.416076] [<c0277ed4>] (dss_irq_handler_omap3+0xc/0x34) from
[<c009df58>] (handle_IRQ_event+0xac/0x1ec)
[ 3292.425720] [<c009df58>] (handle_IRQ_event+0xac/0x1ec) from
[<c00a0120>] (handle_level_irq+0xbc/0x148)
[ 3292.435089] [<c00a0120>] (handle_level_irq+0xbc/0x148) from
[<c0035074>] (asm_do_IRQ+0x74/0x98)
[ 3292.443847] [<c0035074>] (asm_do_IRQ+0x74/0x98) from [<c0035b44>]
(__irq_svc+0x44/0xa8)
[ 3292.451873] Exception stack(0xc6dd1e78 to 0xc6dd1ec0)
[ 3292.456970]
1e60: 00000001
000002fe
[ 3292.465209] 1e80: c06ac7f4 00000000 00000000 c06aced8 c7909740
00000003 00000001 00000044
[ 3292.473419] 1ea0: c06aced8 40000013 c6dd1e98 c6dd1ec0 c004b308
c027fb60 60000013 ffffffff
[ 3292.481658] [<c0035b44>] (__irq_svc+0x44/0xa8) from [<c027fb60>]
(omap_dss_mgr_apply+0x3a8/0x408)
[ 3292.490600] [<c027fb60>] (omap_dss_mgr_apply+0x3a8/0x408) from
[<c0280664>] (overlay_enabled_store+0x70/0x84)
[ 3292.500579] [<c0280664>] (overlay_enabled_store+0x70/0x84) from
[<c0280010>] (overlay_attr_store+0x24/0x2c)
[ 3292.510375] [<c0280010>] (overlay_attr_store+0x24/0x2c) from
[<c013bc2c>] (sysfs_write_file+0x104/0x138)
[ 3292.519927] [<c013bc2c>] (sysfs_write_file+0x104/0x138) from
[<c00e67bc>] (vfs_write+0xac/0x1a0)
[ 3292.528778] [<c00e67bc>] (vfs_write+0xac/0x1a0) from [<c00e6968>]
(sys_write+0x40/0x6c)
[ 3292.536834] [<c00e6968>] (sys_write+0x40/0x6c) from [<c0035fc0>]
(ret_fast_syscall+0x0/0x2c)
[ 3292.545318] Code: c059b423 e59f3028 e92d4010 e5933000 (e5934018)
[ 3292.551544] ---[ end trace 3d7572a9be22e9c1 ]---
[ 3292.556213] Kernel panic - not syncing: Fatal exception in
interrupt

Regards,
Nilly

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