I'm going to maintain a stream-of-investigation commentary to help
narrow down the area where myself or others can look for this issue.
Here's one place the Error No Buffer Space is being fired - the IOCTL
handler:
net/ipv4/devinit.c::devinet_ioctl()
case SIOCSIFADDR: /* Set interface address (and family) */
ret = -EINVAL;
if (inet_abc_len(sin->sin_addr.s_addr) < 0)
break;
if (!ifa) {
ret = -ENOBUFS;
if ((ifa = inet_alloc_ifa()) == NULL)
break;
The call to inet_alloc_ifa() is simply this:
static struct in_ifaddr *inet_alloc_ifa(void)
{
struct in_ifaddr *ifa = kzalloc(sizeof(*ifa), GFP_KERNEL);
if (ifa) {
INIT_RCU_HEAD(&ifa->rcu_head);
}
return ifa;
}
----------
I will look at the ipconfig tool to ensure the code-path is the one that
calls this IOCTL.
Dustin's report suggests some linkage to the type/make of network device
and type of connection so please report the precise device IDs that are
exhibiting the issue using:
lspci --vvnn -s $BUS:$SLOT.$FUNCTION
(determine the values of BUS SLOT FUNCTION first using lspci -nn)
For the sake of accuracy please also state if the device is wired or
wireless, and if wireless, the precise type of connection it is trying
to establish (802.11b, 802.11g, 802.11a, 802.11n, etc.).
Also report the actual standard(s) the Wireless access point is
operating with, including the encryption method. (E.g. 802.11g WPA2
AES+TKIP).
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
Assignee: (unassigned) => TJ (intuitivenipple)
--
No NET with 2.6.27: No buffer space available
https://bugs.launchpad.net/bugs/284377
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