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kern/38073: wm ifmedia_set failure

>Number:         38073
>Category:       kern
>Synopsis:       wm ifmedia_set failure
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 21 06:30:00 +0000 2008
>Originator:     YAMAMOTO Takashi <>
>Release:        NetBSD 4.99.54
Architecture: i386
Machine: i386
        sometimes wm fails to initialize media like the following.
        once it happens, "ifconfig wm0" shows "media: Ethernet none".
        it seems that i can send and receive packets on the interface.
        but its performance is very bad.

        linux 2.6.25-rc1-mm1 on the same machine seems to work fine.
        (until it crashes for a bug which i don't think related to this

        pci6 at ppb5 bus 6
        pci6: i/o space, memory space enabled, rd/line, wr/inv ok
        wm0 at pci6 dev 7 function 0: Intel i82541GI 1000BASE-T Ethernet, rev. 5
        wm0: interrupting at ioapic2 pin 0 (irq 11)
        wm0: 32-bit 66MHz PCI bus
        wm0: 65536 word (16 address bits) SPI EEPROM
        wm0: Ethernet address 00:11:43:e4:37:2e
        igphy0 at wm0 phy 1: Intel IGP01E1000 Gigabit PHY, rev. 0
        igphy0: 1000baseT, 1000baseT-FDX
        ifmedia_set: no match for 0x20/0xfbff8ff



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