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Date: Thu, 14 Dec 2006 14:47:34 -0800 From: Stephen Hemminger <shemminger@...l.org> To: Alex Romosan <romosan@...orax.lbl.gov> Cc: netdev@...r.kernel.org Subject: Re: 2.6.20-rc1 sky2 problems (regression?) On Thu, 14 Dec 2006 14:25:06 -0800 Alex Romosan <romosan@...orax.lbl.gov> wrote: > 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. probably won't do much but now the IRQ ends up shared. > > 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? The transmit timeout code trys to be smart, but doesn't really recover properly if hardware is stuck. > > 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. > Another useful bit of information is the statistics (ethtool -S eth0). When there were flow control bugs, they would show up as count of 1. Are you doing jumbo frames (MTU > 1500)? -- Stephen Hemminger <shemminger@...l.org> - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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