3368 2012-10-30 21:51:01 +0000 emenlow kernel prints lot of messages while running glxgears 2012-12-05 18:46:58 +0000 1 1 7 Build System, Metadata & Runtime BSPs bsps-meta-intel unspecified E-Menlow Multiple RESOLVED FIXED Medium normal 1.4 1 nitin.a.kamble nitin.a.kamble sgw tom.zanussi --- --- --- oldest_to_newest 27068 0 nitin.a.kamble 2012-10-30 21:51:01 +0000 These messages increase load on the the cpu. 27069 1 nitin.a.kamble 2012-10-30 21:53:36 +0000 these are message coming from the PVR kernel driver. 27080 2 nitin.a.kamble 2012-10-31 00:19:03 +0000 Sample of the messages found in dmesg: [psb:0x40:psb_update_dstbuf_cache] Destination buffer is 0. [psb:0x40:psb_apply_reloc] Reloc buffer 0 index 0x00000030, value 0x00100443 [psb:0x40:psb_apply_reloc] Reloc type 0 where 0x8003a buffer 0x0003 mask 0xffffffff shift 0x00000000 pre_add 0x00000000 background 0x00000000 dst_buffer 0x00000000 arg0 0x00000000 arg1 0x00000000 [psb:0x40:psb_apply_reloc] Reloc type 0 where 0x2000 buffer 0x0000 mask 0x00ffffff shift 0x00040000 pre_add 0x00200100 background 0x00000000 dst_buffer 0x00000004 arg0 0x00000000 arg1 0x00000000 [psb:0x40:psb_apply_reloc] Reloc type 0 where 0x2002 buffer 0x0000 mask 0x00ffffff shift 0x00040000 pre_add 0x002000c0 background 0x0c000000 dst_buffer 0x00000004 arg0 0x00000008 arg1 0x00000001 [psb:0x40:psb_apply_reloc] Reloc type 0 where 0x20003 buffer 0x0004 mask 0x00ffffff shift 0x00040000 pre_add 0x00008000 background 0x02000000 dst_buffer 0x00000005 arg0 0x00000008 arg1 0x00000001 [psb:0x40:psb_apply_reloc] Reloc type 0 where 0x20017 buffer 0x0000 mask 0xffffffff shift 0x00040004 pre_add 0x00200020 background 0x00000000 dst_buffer 0x00000005 arg0 0x00000008 arg1 0x00000001 27081 3 tom.zanussi 2012-10-31 00:32:37 +0000 This looks like strictly debugging code - somehow PSB_DEBUG.. is turned on e.g. these messages are coming from psb_sgx.c: PSB_DEBUG_RELOC("Reloc type %d\n" "\t where 0x%04x\n" "\t buffer 0x%04x\n" "\t mask 0x%08x\n" "\t shift 0x%08x\n" "\t pre_add 0x%08x\n" "\t background 0x%08x\n" "\t dst_buffer 0x%08x\n" "\t arg0 0x%08x\n" "\t arg1 0x%08x\n", reloc->reloc_op, reloc->where, reloc->buffer, reloc->mask, reloc->shift, reloc->pre_add, reloc->background, reloc->dst_buffer, reloc->arg0, reloc->arg1); I guess you just need to figure out how debugging got turned on and turn it off... 28010 4 nitin.a.kamble 2012-12-05 18:46:58 +0000 I had cooked a fix for this, but could not test it due to other packaging issues on the tree. And now we have switched to EMGD for eMenlow graphics, so this issue does not exit anymore.