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spinlock lockup suspected on CPU on kernel 3.8.13

Hi,
I am seeing following kernel backtrace on J6 with linux 3.8.13 when trying to start IVI LayerManager service. Before starting LM, I started the X11 and run some GLES2/X11 based tests successfully.
The same binaries and same graphics drivers are working fine on OMAP5 and linux 3.4.25. Is this some known BUG or issue in omapdrm driver? If not a bug then how should I go for debugging it?


[  719.005340] BUG: spinlock lockup suspected on CPU#0, kworker/u:2/787
[  719.011749]  lock: sync_lock+0x0/0x20, .magic: dead4ead, .owner: kworker/u:2/787, .owner_cpu: 0
[  719.020507] [<c001bbc0>] (unwind_backtrace+0x0/0x138) from [<c02896d0>] (do_raw_spin_lock+0x100/0x17c)
[  719.029876] [<c02896d0>] (do_raw_spin_lock+0x100/0x17c) from [<c03157ec>] (omap_gem_set_sync_object+0x14/0xf4)
[  719.039978] [<c03157ec>] (omap_gem_set_sync_object+0x14/0xf4) from [<bf0091f4>] (FreeMemCallBackCommon+0xf4/0x24c [omapdrm_pvr])
[  719.051635] [<bf0091f4>] (FreeMemCallBackCommon+0xf4/0x24c [omapdrm_pvr]) from [<bf0093d0>] (UnwrapExtMemoryCallBack+0x28/0x68 [omapdrm_pvr])
[  719.064544] [<bf0093d0>] (UnwrapExtMemoryCallBack+0x28/0x68 [omapdrm_pvr]) from [<bf013d3c>] (FreeResourceByPtr.part.0+0xac/0xcc [omapdrm_pvr])
[  719.077575] [<bf013d3c>] (FreeResourceByPtr.part.0+0xac/0xcc [omapdrm_pvr]) from [<bf0144d0>] (ResManFreeResByPtr+0x44/0x6c [omapdrm_pvr])
[  719.090118] [<bf0144d0>] (ResManFreeResByPtr+0x44/0x6c [omapdrm_pvr]) from [<bf008980>] (async_unmap+0x28/0x44 [omapdrm_pvr])
[  719.101531] [<bf008980>] (async_unmap+0x28/0x44 [omapdrm_pvr]) from [<c0315528>] (sync_op_update+0x88/0xa8)
[  719.111328] [<c0315528>] (sync_op_update+0x88/0xa8) from [<c03157c8>] (omap_gem_op_update+0x14/0x24)
[  719.120544] [<c03157c8>] (omap_gem_op_update+0x14/0x24) from [<bf010578>] (PVRSRVMISR+0xc/0x60 [omapdrm_pvr])
[  719.130523] [<bf010578>] (PVRSRVMISR+0xc/0x60 [omapdrm_pvr]) from [<c005a810>] (process_one_work+0x1c8/0x5c0)
[  719.140502] [<c005a810>] (process_one_work+0x1c8/0x5c0) from [<c005af58>] (worker_thread+0x168/0x444)
[  719.149810] [<c005af58>] (worker_thread+0x168/0x444) from [<c005fa40>] (kthread+0xa4/0xb0)
[  719.158142] [<c005fa40>] (kthread+0xa4/0xb0) from [<c00140d0>] (ret_from_fork+0x14/0x24)

Thanking you for your time.

Thanks & Regards,

Vikas