Messages in this thread Patch in this message | | | Subject | Re: kernel 2.6.33.7 (the highest version with RT patch) does not work with b44 ethernet controller | From | Eric Dumazet <> | Date | Thu, 04 Nov 2010 15:20:13 +0100 |
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Le jeudi 04 novembre 2010 à 15:06 +0100, Wojtek Zabolotny a écrit : > I have updated my RT-kernel to version 2.6.33.7-rt29 (the newest RT > version), > and I've found that I've lost Ethernet connectivity. > In the logs I could see messages like this: > Nov 2 09:30:28 wzlaphp kernel: b44: eth0: powering down PHY > Nov 2 09:30:28 wzlaphp kernel: b44: eth0: BUG! Timeout waiting for bit > 00000002 of register 42c to clear. > Nov 2 09:30:32 wzlaphp kernel: b44: eth0: BUG! Timeout waiting for bit > 80000000 of register 428 to clear. > > I was not sure whether the probem is related to the 2.6.33.7 kernel > itself or with the RT patch, so I've compiled also the unpatched version > of 2.6.33.7 > > It is also not able to communicate with my Ethernet controller, but now > the error messages are different: > > b44 0000:02:0e.0: PCI INT A disabled > b44 0000:02:0e.0: BAR 0: set to [mem 0xf4108000-0xf4109fff] (PCI address > [0xf4108000-0xf4109fff] > b44 0000:02:0e.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > ssb: Core 0 found: Fast Ethernet (cc 0x806, rev 0x07, vendor 0x4243) > ssb: Core 1 found: V90 (cc 0x807, rev 0x03, vendor 0x4243) > ssb: Core 2 found: PCI (cc 0x804, rev 0x0A, vendor 0x4243) > ssb: Sonics Silicon Backplane found on PCI device 0000:02:0e.0 > b44.c:v2.0 > b44: Invalid MAC address found in EEPROM > b44 ssb1:0: Problem fetching invariants of chip, aborting. > b44: probe of ssb1:0 failed with error -22 > > Now I'm using the old 2.6.33.5-rt23 kernel, and everything works perfectly. >
Could you print the Invalid MAC address ?
diff --git a/drivers/net/b44.c b/drivers/net/b44.c index c6e8631..b1b9a2b 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -2092,7 +2092,7 @@ static int __devinit b44_get_invariants(struct b44 *bp) memcpy(bp->dev->dev_addr, addr, 6); if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){ - pr_err("Invalid MAC address found in EEPROM\n"); + pr_err("Invalid MAC address %pM found in EEPROM\n", bp->dev->dev_addr); return -EINVAL; }
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