http://bugzilla.opensuse.org/show_bug.cgi?id=917539
Bernhard Wiedemann changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|nameserver fallback |IPv6 nameserver fallback
|problems |problems
--- Comment #2 from Bernhard Wiedemann ---
got a backtrace of where it is spending its time
before returning -2 as error and not falling back to trying IPv4 nameservers:
#1 0x00007ffff7211c25 in send_dg (ansp2_malloced=0x7fffffffd568,
resplen2=0x7fffffffd564, anssizp2=0x7fffffffd560, ansp2=0x7fffffffd580,
anscp=0x7fffffffd570, gotsomewhere=<synthetic pointer>,
v_circuit=<synthetic pointer>, ns=0, terrno=0x7fffffffbf28,
anssizp=0x7fffffffc060, ansp=0x7fffffffbf18, buflen2=32,
buf2=0x7fffffffc0b0 "@9\001", buflen=32, buf=0x7fffffffc090 "?\033\001",
statp=0x7ffff7ddabe0 <_res@GLIBC_2.2.5>) at res_send.c:1062
#2 __libc_res_nsend (statp=statp@entry=0x7ffff7ddabe0 <_res@GLIBC_2.2.5>,
buf=buf@entry=0x7fffffffc090 "?\033\001", buflen=32,
buf2=buf2@entry=0x7fffffffc0b0 "@9\001", buflen2=buflen2@entry=32,
ans=ans@entry=0x7fffffffcd30 "\001", anssiz=anssiz@entry=2048,
ansp=ansp@entry=0x7fffffffd570, ansp2=ansp2@entry=0x7fffffffd580,
nansp2=nansp2@entry=0x7fffffffd560,
resplen2=resplen2@entry=0x7fffffffd564,
ansp2_malloced=ansp2_malloced@entry=0x7fffffffd568) at res_send.c:557
#3 0x00007ffff720fc0c in __GI___libc_res_nquery (
statp=statp@entry=0x7ffff7ddabe0 <_res@GLIBC_2.2.5>,
name=0x7fffffffe45a "belana.suse.de", class=class@entry=1,
type=type@entry=62321, answer=answer@entry=0x7fffffffcd30 "\001",
anslen=anslen@entry=2048, answerp=answerp@entry=0x7fffffffd570,
answerp2=answerp2@entry=0x7fffffffd580,
nanswerp2=nanswerp2@entry=0x7fffffffd560,
resplen2=resplen2@entry=0x7fffffffd564,
answerp2_malloced=answerp2_malloced@entry=0x7fffffffd568)
at res_query.c:227
#4 0x00007ffff7210210 in __libc_res_nquerydomain (
statp=statp@entry=0x7ffff7ddabe0 <_res@GLIBC_2.2.5>,
name=name@entry=0x7fffffffe45a "belana.suse.de", domain=domain@entry=0x0,
class=class@entry=1, type=type@entry=62321,
answer=answer@entry=0x7fffffffcd30 "\001", anslen=anslen@entry=2048,
answerp=answerp@entry=0x7fffffffd570,
answerp2=answerp2@entry=0x7fffffffd580,
nanswerp2=nanswerp2@entry=0x7fffffffd560,
resplen2=resplen2@entry=0x7fffffffd564,
answerp2_malloced=answerp2_malloced@entry=0x7fffffffd568)
at res_query.c:588
#5 0x00007ffff7210849 in __GI___libc_res_nsearch (
statp=0x7ffff7ddabe0 <_res@GLIBC_2.2.5>,
name=name@entry=0x7fffffffe45a "belana.suse.de", class=class@entry=1,
type=type@entry=62321, answer=answer@entry=0x7fffffffcd30 "\001",
anslen=anslen@entry=2048, answerp=answerp@entry=0x7fffffffd570,
answerp2=answerp2@entry=0x7fffffffd580,
nanswerp2=nanswerp2@entry=0x7fffffffd560,
resplen2=resplen2@entry=0x7fffffffd564,
answerp2_malloced=answerp2_malloced@entry=0x7fffffffd568)
at res_query.c:381
#6 0x00007ffff7421aab in _nss_dns_gethostbyname4_r (
name=name@entry=0x7fffffffe45a "belana.suse.de",
pat=pat@entry=0x7fffffffdbe0,
buffer=buffer@entry=0x7fffffffd600 "\300\250|\n",
buflen=buflen@entry=1064, errnop=errnop@entry=0x7fffffffdbd0,
herrnop=herrnop@entry=0x7fffffffdbf0, ttlp=ttlp@entry=0x0)
at nss_dns/dns-host.c:315
#7 0x00007ffff7b05904 in gaih_inet (name=<optimized out>,
name@entry=0x7fffffffe45a "belana.suse.de", service=service@entry=0x0,
req=req@entry=0x7fffffffde70, pai=pai@entry=0x7fffffffdcc8,
naddrs=naddrs@entry=0x7fffffffdcc4, usable_ipv6=<optimized out>)
at ../sysdeps/posix/getaddrinfo.c:865
#8 0x00007ffff7b079fa in __GI_getaddrinfo (
name=0x7fffffffe45a "belana.suse.de", service=service@entry=0x0,
hints=hints@entry=0x7fffffffde70, pai=pai@entry=0x7fffffffde18)
at ../sysdeps/posix/getaddrinfo.c:2425
#9 0x0000000000403e2b in ahosts_keys_int (af=<optimized out>,
xflags=<optimized out>, number=<optimized out>, key=<optimized out>)
at getent.c:392
#10 0x0000000000402371 in main (argc=<optimized out>, argv=0x7fffffffe018)
at getent.c:1011
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