Re: netbsd5 / wm0: device timeout (txfree 3907 txsfree 0 txnext 3408)

[SAITOH Masanobu <masanobu%iij.ad.jp@localhost>]

 Hello.

 > hello,
 > 
 > with enabled tso4 hardware capabilities my Intel nic reports
 > 
 > ...
 > wm0: device timeout (txfree 3790 txsfree 0 txnext 3078)
 > wm0: device timeout (txfree 3905 txsfree 0 txnext 1370)
 > wm0: device timeout (txfree 3907 txsfree 0 txnext 3408)
 > ...
 > 
 > The connected switch shows link-down/link-up messages.
 > 
 > With disabled tso capabilities everything works well. Intel NICs with other 
 > chipsets work well even with enabled tso4.
 > 
 > 
 > My hardware:
 > 
 > wm0 at pci9 dev 0 function 0: Intel PRO/1000 PT (82571EB), rev. 6
 > wm0: interrupting at ioapic0 pin 16
 > wm0: PCI-Express bus
 > wm0: 65536 word (16 address bits) SPI EEPROM
 > wm0: Ethernet address 00:15:17:0e:98:5e
 > igphy0 at wm0 phy 1: Intel IGP01E1000 Gigabit PHY, rev. 0
 > igphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
 > 1000baseT-FDX, auto
 > 
 > The nic is connected to a cisco c2960G.
 > 
 > 
 > Is it a netbsd bug or maybe a hardware problem?
 > 
 > 
 > Thank you for your efforts
 > Uwe

 Sorry, I'm not familiar with the TSO code for wm. Is there anyone who can
debug it?

----------------------------------------------------------
                SAITOH Masanobu (masanobu%iij.ad.jp@localhost
                                  msaitoh%netbsd.org@localhost)