Re: cannot up iface in 2.6.9, was working in 2.6.9-rc3

[Stephen Hemminger]

On Fri, 22 Oct 2004 21:59:26 +0300
Denis Vlasenko <vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> I have an onboard VIA eth:
> 
> # lspci
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333]
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333 AGP]
> 00:0a.0 Network controller: Texas Instruments ACX 111 54Mbps Wireless Interface
> 00:0c.0 Network controller: Harris Semiconductor D-Links DWL-g650 A1 (rev 01)
> 00:10.0 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
> 00:10.1 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
> 00:10.2 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
> 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
> 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
> 00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C/VT8235 PIPC Bus Master IDE (rev 06)
> 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
> 01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev a1)
> 
> It cannot be upped:
> 
> # ip l set dev if up
> SIOCSIFFLAGS: Function not implemented
> # ifconfig if up
> SIOCSIFFLAGS: Function not implemented
> # busybox ip l set dev if up
> SIOCSIFFLAGS: Function not implemented
> 
> Strace (busybox one is smallest):
> 
> execve("/usr/bin/busybox", ["busybox", "ip", "l", "set", "dev", "if", "up"], [/* 28 vars */]) = 0
> fcntl64(0, F_GETFD)                     = 0
> fcntl64(1, F_GETFD)                     = 0
> fcntl64(2, F_GETFD)                     = 0
> uname({sys="Linux", node="shadow", ...}) = 0
> geteuid32()                             = 0
> getuid32()                              = 0
> getegid32()                             = 0
> getgid32()                              = 0
> brk(0)                                  = 0x81ab000
> brk(0x81ac000)                          = 0x81ac000
> socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
> ioctl(4, 0x8913, 0xbffff9e0)            = 0
> ioctl(4, 0x8914, 0xbffff9e0)            = -1 ENOSYS (Function not implemented)
> dup(2)                                  = 5
> fcntl64(5, F_GETFL)                     = 0x2 (flags O_RDWR)
> fstat64(5, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...}) = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40000000
> _llseek(5, 0, 0xbffff830, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
> write(5, "SIOCSIFFLAGS: Function not imple"..., 39) = 39
> close(5)                                = 0
> munmap(0x40000000, 4096)                = 0
> close(4)                                = 0
> write(2, "BusyBox v1.00-pre8 (2004.03.31-2"..., 295) = 295
> _exit(1)
> 
> It was working in 2.6.9-rc3.
> 
> drivers/net/via-rhine.c did not change between rc3 and "official" 2.6.9
> --
> vda

It probably isn't the via driver at all, but something in the ioctl layer.
Try it without using the busybox version of ifconfig and ip.

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