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Message-ID: <87odq6azel.fsf@sycorax.lbl.gov>
Date: Thu, 14 Dec 2006 14:25:06 -0800
From: Alex Romosan <romosan@...orax.lbl.gov>
To: Stephen Hemminger <shemminger@...l.org>
Cc: netdev@...r.kernel.org
Subject: Re: 2.6.20-rc1 sky2 problems (regression?)
Stephen Hemminger <shemminger@...l.org> writes:
> 4) What is the IRQ routing?
> There are two issues here, first the driver will never work with edge
> trigger IRQ's, some motherboards also have busted BIOS and chipsets
> that don't do MSI properly. A couple of module parameters are available
> to help:
> disable_msi=1 avoids using MSI
> idle_timeout=10 polls for lost IRQ's every N ms (10)
i didn't take long to lock up the machine again. i've rebooted back
into stock 2.6.20-rc1 and added the two module parameters above. cat
/proc/interrupts now gives me:
17: 203 IO-APIC-fasteoi eth0, CMI8738
so i guess the MSI interrupts are disabled. we'll see how this works.
> 5) What are the messages in the console log when problem happens?
kernel: NETDEV WATCHDOG: eth0: transmit timed out
kernel: sky2 eth0: tx timeout
kernel: sky2 eth0: transmit ring 402 .. 361 report=406 done=406
kernel: sky2 status report lost?
kernel: NETDEV WATCHDOG: eth0: transmit timed out
kernel: sky2 eth0: tx timeout
kernel: sky2 eth0: transmit ring 406 .. 361 report=406 done=406
kernel: sky2 hardware hung? flushing
kernel: NETDEV WATCHDOG: eth0: transmit timed out
kernel: sky2 eth0: tx timeout
kernel: sky2 eth0: transmit ring 361 .. 321 report=406 done=406
kernel: sky2 status report lost?
kernel: NETDEV WATCHDOG: eth0: transmit timed out
kernel: sky2 eth0: tx timeout
kernel: sky2 eth0: transmit ring 406 .. 366 report=406 done=406
kernel: sky2 hardware hung? flushing
> 7) Please get a current version of ethtool from:
> git://git.kernel.org/pub/scm/network/ethtool/ethtool.git
> and run ethtool register dump after a problem occurs:
> ethtool -d eth0
this is the output after it stopped working:
PCI config
----------
00: ab 11 62 43 07 04 18 00 15 00 00 02 08 00 00 00
10: 04 c0 df fd 00 00 00 00 01 ce 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 62 14 8c 05
30: 00 00 00 00 48 00 00 00 00 00 00 00 03 01 00 00
40: 00 00 f0 01 00 80 a0 01 01 50 02 fe 00 20 00 14
50: 03 5c 00 80 00 00 00 01 00 00 00 01 05 e0 83 00
60: 0c 10 e0 fe 00 00 00 00 61 41 00 00 00 00 00 00
70: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Control Registers
-----------------
Register Access Port 0x00
LED Control/Status 0xA603164A
Interrupt Source 0x40000000
Interrupt Mask 0xC000001D
Interrupt Hardware Error Source 0x00000000
Interrupt Hardware Error Mask 0x2E003F3F
Bus Management Unit
-------------------
CSR Receive Queue 1 0x00010000
CSR Sync Queue 1 0xFFFFFFFF
CSR Async Queue 1 0x00000000
MAC Addresses
---------------
Addr 1 00 11 09 DA 39 A3
Addr 2 00 11 09 DA 39 A3
Addr 3 00 00 00 00 00 00
Connector type 0x4A (J)
PMD type 0x54 (T)
PHY type 0x80
Chip Id 0xB6 Yukon-2 EC
(rev 0)
Ram Buffer 0x0C
Status BMU:
-----------
Control 0x0002220A
Last Index 0x07FF
Put Index 0x0601
List Address 0x000000007FBF8000
Transmit 1 done index 0x0196
Transmit index threshold 0x000A
Status FIFO
Write Pointer 0x16
Read Pointer 0x16
Level 0x00
Watermark 0x10
ISR Watermark 0x10
Status level
Init 0x000030D4 Value 0x00000D00
Test 0x04 Control 0x02
TX status
Init 0x0001E848 Value 0x0001E848
Test 0x04 Control 0x02
ISR
Init 0x000009C4 Value 0x000009C4
Test 0x04 Control 0x02
GMAC control 0x005A
GPHY control 0x2002
LINK control 0x02
GMAC 1
Status 0xD000
Control 0x1800
Transmit 0x1000
Receive 0xE000
Transmit flow control 0xFFFF
Transmit parameter 0xD7C4
Serial mode 0x221E
Source address: 00 11 09 DA 39 A3
Physical address: 00 11 09 DA 39 A3
Rx GMAC 1
End Address 0x0000007F
Almost Full Thresh 0x00000070
Control/Test 0x0900228A
FIFO Flush Mask 0x000018FB
FIFO Flush Threshold 0x0000000B
Truncation Threshold 0x0000017C
Upper Pause Threshold 0x00000000
Lower Pause Threshold 0x00000081
VLAN Tag 0x00000074
FIFO Write Pointer 0x00000000
FIFO Write Level 0x0000007B
FIFO Read Pointer 0x00000000
FIFO Read Level 0x00000079
Tx GMAC 1
End Address 0x0000007F
Almost Full Thresh 0x00000010
Control/Test 0x0102220A
FIFO Flush Mask 0x00000000
FIFO Flush Threshold 0x00000000
Truncation Threshold 0x00000000
Upper Pause Threshold 0x00000000
Lower Pause Threshold 0x00000081
VLAN Tag 0x0000002A
FIFO Write Pointer 0x0000002A
FIFO Write Level 0x00000000
FIFO Read Pointer 0x00000000
FIFO Read Level 0x0000002A
Receive Queue 1
---------------
Buffer control 0x05F8
Byte Counter 49408
Descriptor Address 0x0000000076F4F810
Status 0x05EA0100
Timestamp 0x00000000
BMU Control/Status 0x000061AA
Done 0x0000
Request 0x0000000076F4F810
Csum1 Offset 52057 Piston 14
Csum2 Offset 52057 Positing 14
Sync Transmit Queue 1
---------------
Descriptor Address 0x0000000000000000
Address Counter 0x0000000000000000
Current Byte Counter 0
BMU Control/Status 0x00000000
Flag & FIFO Address 0x00000000
Control 0x00000000
Next 0x00000000
Data 0x0000000000000000
Status 0x00000000
Timestamp 0x00000000
Csum Start 0x0000 Pos 0 Write 0
Async Transmit Queue 1
---------------
Buffer control 0x053D
Byte Counter 49950
Descriptor Address 0x0000000047237000
Status 0x000005EA
Timestamp 0x00010000
BMU Control/Status 0x800011AA
Done 0x0000
Request 0x000000004723753D
Csum Start 0x0032 Pos 0 Write 0
Receive RAMbuffer 1
---------------
Start Address 0x00000000
End Address 0x00000E7F
Write Pointer 0x00000079
Read Pointer 0x0000007E
Upper Threshold/Pause Packets 0x00000D80
Lower Threshold/Pause Packets 0x000003A0
Upper Threshold/High Priority 0x00000AE0
Lower Threshold/High Priority 0x00000740
Packet Counter 0x00000029
Level 0x00000E7B
Test 0x0002221A
Sync Transmit RAMbuffer 1
---------------
Start Address 0x00000000
End Address 0x00000000
Write Pointer 0x00000000
Read Pointer 0x00000000
Packet Counter 0x00000000
Level 0x00000000
Test 0x00000000
Async Transmit RAMbuffer 1
---------------
Start Address 0x00000E80
End Address 0x000017FF
Write Pointer 0x0000132A
Read Pointer 0x0000132A
Packet Counter 0x00000000
Level 0x00000000
Test 0x0002222A
i don't know if it helps but i am also including the output of ethtool
while the card was still working:
PCI config
----------
00: ab 11 62 43 07 04 10 00 15 00 00 02 08 00 00 00
10: 04 c0 df fd 00 00 00 00 01 ce 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 62 14 8c 05
30: 00 00 00 00 48 00 00 00 00 00 00 00 03 01 00 00
40: 00 00 f0 01 00 80 a0 01 01 50 02 fe 00 20 00 14
50: 03 5c 00 80 00 00 00 01 00 00 00 01 05 e0 83 00
60: 0c 10 e0 fe 00 00 00 00 61 41 00 00 00 00 00 00
70: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Control Registers
-----------------
Register Access Port 0x00
LED Control/Status 0xA603164A
Interrupt Source 0x00000000
Interrupt Mask 0xC000001D
Interrupt Hardware Error Source 0x00000000
Interrupt Hardware Error Mask 0x2E003F3F
Bus Management Unit
-------------------
CSR Receive Queue 1 0x00010000
CSR Sync Queue 1 0xFFFFFFFF
CSR Async Queue 1 0x00000000
MAC Addresses
---------------
Addr 1 00 11 09 DA 39 A3
Addr 2 00 11 09 DA 39 A3
Addr 3 00 00 00 00 00 00
Connector type 0x4A (J)
PMD type 0x54 (T)
PHY type 0x80
Chip Id 0xB6 Yukon-2 EC
(rev 0)
Ram Buffer 0x0C
Status BMU:
-----------
Control 0x0002220A
Last Index 0x07FF
Put Index 0x00B8
List Address 0x000000007FBF8000
Transmit 1 done index 0x0057
Transmit index threshold 0x000A
Status FIFO
Write Pointer 0x08
Read Pointer 0x08
Level 0x00
Watermark 0x10
ISR Watermark 0x10
Status level
Init 0x000030D4 Value 0x000030D4
Test 0x04 Control 0x02
TX status
Init 0x0001E848 Value 0x0001E848
Test 0x04 Control 0x02
ISR
Init 0x000009C4 Value 0x000009C4
Test 0x04 Control 0x02
GMAC control 0x005A
GPHY control 0x2002
LINK control 0x02
GMAC 1
Status 0xD000
Control 0x1800
Transmit 0x1000
Receive 0xE000
Transmit flow control 0xFFFF
Transmit parameter 0xD7C4
Serial mode 0x221E
Source address: 00 11 09 DA 39 A3
Physical address: 00 11 09 DA 39 A3
Rx GMAC 1
End Address 0x0000007F
Almost Full Thresh 0x00000070
Control/Test 0x0900228A
FIFO Flush Mask 0x000018FB
FIFO Flush Threshold 0x0000000B
Truncation Threshold 0x0000017C
Upper Pause Threshold 0x00000000
Lower Pause Threshold 0x00000081
VLAN Tag 0x00000027
FIFO Write Pointer 0x00000000
FIFO Write Level 0x00000000
FIFO Read Pointer 0x00000000
FIFO Read Level 0x00000027
Tx GMAC 1
End Address 0x0000007F
Almost Full Thresh 0x00000010
Control/Test 0x0102220A
FIFO Flush Mask 0x00000000
FIFO Flush Threshold 0x00000000
Truncation Threshold 0x00000000
Upper Pause Threshold 0x00000000
Lower Pause Threshold 0x00000081
VLAN Tag 0x00000032
FIFO Write Pointer 0x00000032
FIFO Write Level 0x00000000
FIFO Read Pointer 0x00000000
FIFO Read Level 0x00000032
Receive Queue 1
---------------
Buffer control 0x05F8
Byte Counter 49408
Descriptor Address 0x000000001727E010
Status 0x003C0100
Timestamp 0x00000000
BMU Control/Status 0x000061AA
Done 0x0000
Request 0x000000001727E010
Csum1 Offset 12632 Piston 14
Csum2 Offset 12632 Positing 14
Sync Transmit Queue 1
---------------
Descriptor Address 0x0000000000000000
Address Counter 0x0000000000000000
Current Byte Counter 0
BMU Control/Status 0x00000000
Flag & FIFO Address 0x00000000
Control 0x00000000
Next 0x00000000
Data 0x0000000000000000
Status 0x00000000
Timestamp 0x00000000
Csum Start 0x0000 Pos 0 Write 0
Async Transmit Queue 1
---------------
Buffer control 0x06CC
Byte Counter 49950
Descriptor Address 0x0000000046AD23C6
Status 0x000005EA
Timestamp 0x00010000
BMU Control/Status 0x800011AA
Done 0x0000
Request 0x0000000046AD2A92
Csum Start 0x0032 Pos 0 Write 0
Receive RAMbuffer 1
---------------
Start Address 0x00000000
End Address 0x00000E7F
Write Pointer 0x00000427
Read Pointer 0x00000427
Upper Threshold/Pause Packets 0x00000D80
Lower Threshold/Pause Packets 0x000003A0
Upper Threshold/High Priority 0x00000AE0
Lower Threshold/High Priority 0x00000740
Packet Counter 0x00000000
Level 0x00000000
Test 0x0002221A
Sync Transmit RAMbuffer 1
---------------
Start Address 0x00000000
End Address 0x00000000
Write Pointer 0x00000000
Read Pointer 0x00000000
Packet Counter 0x00000000
Level 0x00000000
Test 0x00000000
Async Transmit RAMbuffer 1
---------------
Start Address 0x00000E80
End Address 0x000017FF
Write Pointer 0x000017B2
Read Pointer 0x000017B2
Packet Counter 0x00000000
Level 0x00000000
Test 0x0002222A
i'll try to lock up the networking again and if it still happens i'll
swith to the vendor driver and see what that has to say.
--alex--
--
| I believe the moment is at hand when, by a paranoiac and active |
| advance of the mind, it will be possible (simultaneously with |
| automatism and other passive states) to systematize confusion |
| and thus to help to discredit completely the world of reality. |
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