Bug 9381
| Summary: | sky2: hardware checksum error | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Stephen Hemminger (stephen) |
| Component: | Network | Assignee: | Stephen Hemminger (stephen) |
| Status: | RESOLVED CODE_FIX | ||
| Severity: | normal | ||
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 2.6.23 and earlier | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
Patch for 2.6.24 submitted. |
SysKonnect boards with Yukon-XL seem to exhibit checksum errors. Sometimes an incorrect checksum is added to the skb by the driver, but the data is okay. Board with problem: 03:01.0 Ethernet controller: D-Link System Inc DGE-550SX PCI-X Gigabit Ethernet Adapter (rev b1) Subsystem: D-Link System Inc DGE-550SX PCI-X Gigabit Ethernet Adapter Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 64 (2000ns min, 2000ns max), Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 31 Region 0: Memory at f0100000 (64-bit, non-prefetchable) [size=16K] Region 2: I/O ports at 3000 [size=256] [virtual] Expansion ROM at f0120000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=1 PME- Capabilities: [50] Vital Product Data Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable- Address: 0000000000000000 Data: 0000 Capabilities: [6c] PCI-X non-bridge device Command: DPERE+ ERO+ RBC=2048 OST=4 Status: Dev=03:01.0 64bit+ 133MHz+ SCD- USC- DC=simple DMMRBC=2048 DMOST=4 DMCRS=64 RSCEM- 266MHz- 533MHz- Messages: eth4: hw csum failure. [ 813.771109] [ 813.771109] Call Trace: [ 813.771112] <IRQ> [<ffffffff80405ecb>] __skb_checksum_complete_head+0x5b/0x60 [ 813.771126] [<ffffffff80405edc>] __skb_checksum_complete+0xc/0x20 [ 813.771132] [<ffffffff8044ad60>] tcp_v4_rcv+0x420/0x9b0 [ 813.771139] [<ffffffff8042bb55>] ip_local_deliver+0x85/0x1f0 [ 813.771142] [<ffffffff8042bff2>] ip_rcv+0x332/0x630 [ 813.771147] [<ffffffff804099d6>] netif_receive_skb+0x206/0x410 [ 813.771159] [<ffffffff8807fba1>] :sky2:sky2_poll+0x561/0xed0 [ 813.771164] [<ffffffff802569a6>] getnstimeofday+0x36/0x90 [ 813.771169] [<ffffffff8040c0d3>] net_rx_action+0x103/0x1a0 [ 813.771174] [<ffffffff80240589>] __do_softirq+0x69/0xe0 [ 813.771179] [<ffffffff8020cd9c>] call_softirq+0x1c/0x30 [ 813.771182] [<ffffffff8020e525>] do_softirq+0x35/0x90 [ 813.771184] [<ffffffff80240518>] irq_exit+0x88/0x90 [ 813.771187] [<ffffffff8020e790>] do_IRQ+0x80/0x100 [ 813.771190] [<ffffffff8020ace0>] default_idle+0x0/0x40 [ 813.771192] [<ffffffff8020c121>] ret_from_intr+0x0/0xa [ 813.771194] <EOI> [<ffffffff8021f660>] lapic_next_event+0x0/0x10 [ 813.771202] [<ffffffff8020ad09>] default_idle+0x29/0x40 [ 813.771204] [<ffffffff8020ad95>] cpu_idle+0x75/0xd0