Rudolf Marek wrot >> Please can you provide output of >> lspci -xxx >> Certainly: [root at nf4000r ~]# lspci -xxx 00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge 00: 86 80 a0 71 46 01 10 22 00 00 00 06 00 60 00 00 10: 08 00 00 f0 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 84 81 00 00 00 00 00 15 03 10 11 11 00 00 11 11 60: 10 20 30 40 60 60 80 80 00 20 00 00 f0 0f 00 00 70: 20 10 02 78 aa 66 13 00 00 ff 10 38 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 12 00 00 00 04 61 00 00 00 05 00 00 00 00 00 00 a0: 02 00 10 00 03 02 00 1f 00 00 00 00 00 00 00 00 b0: 00 00 00 00 30 00 00 00 00 00 00 00 20 10 00 00 c0: 00 00 00 00 00 44 00 00 18 0c ff ff 7f 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 4c ad ff bb 8a 3e 00 80 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 f8 00 60 20 0f 00 00 00 00 00 00 00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge 00: 86 80 a1 71 1f 01 20 02 00 00 04 06 00 60 01 00 10: 00 00 00 00 00 00 00 00 00 01 01 60 f0 00 a0 22 20: 00 fb f0 fc 00 50 00 50 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 89 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02) 00: 86 80 10 71 0f 01 80 02 02 00 01 06 00 00 80 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 4d 00 f0 01 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 09 0b 0a 80 10 00 00 00 00 f2 00 00 00 00 00 00 70: 00 00 00 00 00 00 08 08 00 00 00 00 00 00 00 00 80: 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 05 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 25 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 30 0f 00 00 00 00 00 00 00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01) 00: 86 80 11 71 05 00 80 02 01 80 01 01 00 60 00 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: a1 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 00 80 07 a3 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 30 0f 00 00 00 00 00 00 00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01) 00: 86 80 12 71 01 00 80 02 01 00 03 0c 00 60 00 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 01 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 04 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 30 0f 00 00 00 00 00 00 00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02) 00: 86 80 13 71 03 00 80 02 02 00 80 06 00 00 00 00 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 01 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 02 80 00 00 00 00 00 00 00 00 10 60: 00 00 00 00 90 02 e7 50 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 41 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 30 0f 00 00 00 00 00 00 00:11.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00: 86 80 29 12 57 01 90 02 08 00 00 02 08 64 00 00 10: 00 f0 bf fe 41 30 00 00 00 00 a0 fe 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 14 10 5c 10 30: 00 00 00 00 dc 00 00 00 00 00 00 00 0a 01 08 38 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 01 00 22 7e e0: 00 40 00 3a 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00:12.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 00: 86 80 29 12 57 01 90 02 08 00 00 02 08 64 00 00 10: 00 e0 bf fe 81 30 00 00 00 00 90 fe 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 14 10 5c 10 30: 00 00 00 00 dc 00 00 00 00 00 00 00 0b 01 08 38 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 01 00 22 7e e0: 00 40 00 3a 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00:14.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev 03) 00: 11 10 24 00 47 03 90 02 03 00 04 06 08 64 01 00 10: 00 00 00 00 00 00 00 00 00 02 02 64 21 21 80 02 20: 00 fd 00 fe 31 50 31 50 00 00 00 00 00 00 00 00 30: 00 00 00 00 dc 00 00 00 00 00 00 00 00 00 03 00 40: 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 3e 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 01 00 01 01 e0: 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01:00.0 VGA compatible controller: Chips and Technologies F69000 HiQVideo (rev 64) 00: 2c 10 c0 00 c3 01 80 02 64 00 00 03 00 00 00 00 10: 00 00 00 fc 00 00 00 00 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 2c 10 c0 00 30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 2c 10 c0 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02:0f.0 SCSI storage controller: IBM SCSI RAID Adapter [ServeRAID] (rev 0d) 00: 14 10 2e 00 47 01 10 02 0d 00 00 01 08 64 00 00 10: 01 20 00 00 00 00 00 fe 00 00 00 00 00 00 00 00 20: 00 00 00 00 00 00 00 00 00 00 00 00 14 10 2e 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 09 01 80 80 40: 03 00 00 80 73 00 88 10 00 00 00 00 00 00 00 00 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> and additionally please turn on debug of i2c bus, plus repeat above sequence and >> send here also the logs so situation can be analyzed. >> >> Preliminary i think some of the bus devices wants to send something to bus >> master so it is truly a multi master bus and maybe it confuses the driver... >> How do I enable bus debugging with i2c? Kevin
