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kern/40978: re(4) watchdog timer issue (interaction with ACPI?)

>Number:         40978
>Category:       kern
>Synopsis:       re(4) watchdog timer issue (interaction with ACPI?)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 07 05:00:01 +0000 2009
>Originator:     David H. Gutteridge
>Release:        NetBSD 5.0_RC2

System: NetBSD 5.0_RC2 NetBSD 5.0_RC2 (ARCUSVII) 
#0: Mon Mar  2 23:22:17 EST 2009

Architecture: i386
Machine: i386

I've found when ACPI is enabled and an re(4) has an associated
/etc/ifconfig.reX file, it fails to configure itself correctly during
the boot process.  The following message is continually printed on the

re0: watchdog timeout
re0: reset never completed!

The workaround is to boot without any automatic configuration of the
card, then manually configure it afterward.  Alternately, booting
without enabling ACPI support also avoids the problem.  So it seems
there's an adverse interaction between automatic configuration and

dmesg details for the card are:

re0 at pci1 dev 0 function 0: RealTek 8100E/8101E/8102E/8102EL PCIe 
10/100BaseTX (rev. 0x02)
re0: interrupting at ioapic0 pin 16
re0: Ethernet address 00:21:85:e1:d8:82
re0: using 256 tx descriptors
rlphy0 at re0 phy 7: RTL8201L 10/100 media interface, rev. 1
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

See also the email thread I started here:



As above.

Not known.  (See workarounds above.)


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