I've solved it. It looks like I had my cc.h file incorrect for packed structures.
I modified it from this: #define PACK_STRUCT_BEGIN #define PACK_STRUCT_STRUCT #define PACK_STRUCT_END #define PACK_STRUCT_FIELD(x) x to this: #define PACK_STRUCT_BEGIN #define PACK_STRUCT_STRUCT __attribute__((packed)) #define PACK_STRUCT_END #define PACK_STRUCT_FIELD(x) x I'm going to do another long-running test to see if the ppp_new branch doesn't have the same issues as master. - Andrew Westberg On Sat, May 17, 2014 at 10:59 AM, Andrew Westberg <[email protected]>wrote: > No, ppp_set_default() was what I was missing originally, but once I did > set that, the exception started happening. It's occurring in > > ip4.c around line 377 (my line numbers may be a bit off as I might have > added some extra debugging code) > > ip_addr_copy(*ipX_2_ip(&ip_data.current_iphdr_dest), iphdr->dest); > > There is some issue with iphdr->dest as if the memory isn't valid or has > already been free'd or something. > > > > - Andrew Westberg > > > On Sat, May 17, 2014 at 6:09 AM, Sylvain Rochet <[email protected]>wrote: > >> Hello Andrew, >> >> On Fri, May 16, 2014 at 11:57:51PM -0400, Andrew Westberg wrote: >> > I'm using the savannah git repository, not github as I stated earlier. >> I've >> > spent all afternoon and evening trying to get the new_ppp branch to >> work. >> > It wouldn't ever get the default netif in order to make a DNS query. It >> > looks like the default netif is not set in ipcp_up, so I tried adding >> that. >> > Unfortunately, that seems to cause an exception somewhere that's nearly >> > impossible to trace down. >> >> Maybe you missed that: >> >> /* >> * Set a PPP interface as the default network interface >> * (used to output all packets for which no specific route is found). >> */ >> void ppp_set_default(ppp_pcb *pcb); >> >> Sylvain >> >> _______________________________________________ >> lwip-users mailing list >> [email protected] >> https://lists.nongnu.org/mailman/listinfo/lwip-users >> > >
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