Re: dc0 acting up

Savchuk Taras wrote:

>On Wednesday 29 September 2004 06:09, Stephen McKay wrote:
>  
>
>>On Tuesday, 28th September 2004, Savchuk Taras wrote:
>>    
>>
>>>On Tuesday 28 September 2004 16:17, Jesse Marquez wrote:
>>>
>>>FreeBSD5.3-BETA4
>>>
>>>I have the same output during boot:
>>>      
>>>
>>>>dc0: failed to force tx and rx to idle state
>>>>dc0: failed to force tx and rx to idle state
>>>>dc0: failed to force tx and rx to idle state
>>>>        
>>>>
>>This one comes up every year or so and is my fault (more or less).
>>Maybe we can fix it now that people are reporting it, even though it
>>is actually pretty harmless.
>>
>>What hardware do you have?  Ie what other dc0: lines do you find in dmesg?
>>
>>If you are willing to edit some code and try again, what happens when
>>you comment out the entire for loop at line 1379 of sys/pci/if_dc.c, which
>>looks like this:
>>
>>                for (i = 0; i < DC_TIMEOUT; i++) {
>>                        isr = CSR_READ_4(sc, DC_ISR);
>>                        if (isr & DC_ISR_TX_IDLE &&
>>                            ((isr & DC_ISR_RX_STATE) == DC_RXSTATE_STOPPED
>>|| (isr & DC_ISR_RX_STATE) == DC_RXSTATE_WAIT)) break;
>>                        DELAY(10);
>>                }
>>
>>                if (i == DC_TIMEOUT)
>>                        printf("dc%d: failed to force tx and "
>>                                "rx to idle state\n", sc->dc_unit);
>>
>>Does your network card still work?
>>    
>>
>
>I have made changes in "sys/pci/if_dc.c" as you said and have had this outout 
>during "buildkernel":
>------------------------------------------------------------------------------------------------------------------------------------
>n-long-strings -mpreferred-stack-boundary=2 -ffreestanding 
>-Werror  /usr/src/sys/pci/if_dc.c
>/usr/src/sys/pci/if_dc.c: In function `dc_setcfg':
>/usr/src/sys/pci/if_dc.c:1369: warning: unused variable `i'
>/usr/src/sys/pci/if_dc.c:1370: warning: unused variable `isr'
>*** Error code 1
>
>Stop in /usr/obj/usr/src/sys/T53-B6.
>*** Error code 1
>
>Stop in /usr/src.
>*** Error code 1
>
>Stop in /usr/src.
>root_at_taras.gznet.ru#          
>------------------------------------------------------------------------------------------------------------------------------------
>  
>
>>The long story is that this test is probably unnecessary, though the manual
>>for the original Intel 21143 requires it.  If it was skipped for non-Intel
>>chips, I think everyone would be happy.  It would be nice to have some
>>experimental verification of this theory though.
>>
>>Stephen.
>>    
>>
>
>  
>

dc0: <82c169 PNIC 10/100BaseTX> port 0xd800-0xd8ff mem 
0xe3000000-0xe30000ff irq 10 at device 9.0 on pci0
miibus0: <MII bus> on dc0
bmtphy0: <BCM5201 10/100baseTX PHY> on miibus0
bmtphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
dc0: Ethernet address: 00:a0:cc:d6:92:ae
dc0: [GIANT-LOCKED]


I'm receiving the same error messege while trying to compile. Hmmm, 
maybe we are commenting the wrong thing?

over and out
jesse