[BUG] 2.6.29-rc7 broke r8169 MAC on Thecus n2100 ARM board
From: Mikael Pettersson <hidden>
Date: 2009-03-09 20:29:23
Also in:
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With the 2.6.29-rc7 kernel I'm unable to 'ifup' eth0 on my ARM-based Thecus n2100 NAS box, which has an RTL8169 NIC (10ec:8169 (rev 10)). A diff of the kernel logs from 2.6.29-rc6 and -rc7 shows that -rc7 first mangles and then zaps the MAC addresses:
--- dmesg-2.6.29-rc6 2009-03-09 20:27:49.000000000 +0100
+++ dmesg-2.6.29-rc7 2009-03-09 20:25:54.000000000 +0100@@ -145,11 +145,13 @@ r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded r8169 0000:00:01.0: enabling Mem-Wr-Inval r8169 0000:00:01.0: no PCI Express capability -eth0: RTL8169sb/8110sb at 0xe080c200, 00:14:fd:30:11:78, XID 10000000 IRQ 27 +r8169 0000:00:01.0: MAC address found in EEPROM: 00:14:fd:10:00:00 +eth0: RTL8169sb/8110sb at 0xe080c200, 00:00:00:00:00:00, XID 10000000 IRQ 27 r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded r8169 0000:00:02.0: enabling Mem-Wr-Inval r8169 0000:00:02.0: no PCI Express capability -eth1: RTL8169sb/8110sb at 0xe0810300, 00:14:fd:30:11:79, XID 10000000 IRQ 30 +r8169 0000:00:02.0: MAC address found in EEPROM: 00:14:fd:10:00:00 +eth1: RTL8169sb/8110sb at 0xe0810300, 00:00:00:00:00:00, XID 10000000 IRQ 30 Driver 'sd' needs updating - please use bus_type methods sata_sil 0000:00:03.0: version 2.4 sata_sil 0000:00:03.0: Applying R_ERR on DMA activate FIS errata fix
@@ -242,6 +244,4 @@ EXT3 FS on sda5, internal journal EXT3-fs: mounted filesystem with ordered data mode. Adding 2008116k swap on /dev/sda3. Priority:-1 extents:1 across:2008116k -r8169: eth0: link up -r8169: eth0: link up warning: `dbus-daemon' uses 32-bit capabilities (legacy support in use)
Reverting 6709fe9a27e43a4931938fe0d7f2cc5edef31386 "r8169: read MAC address from EEPROM on init (2nd attempt)" fixes the problem on this machine. /Mikael