[Bug 849067] New: intermittent DNS issue ...

https://bugzilla.novell.com/show_bug.cgi?id=849067 https://bugzilla.novell.com/show_bug.cgi?id=849067#c0 Summary: intermittent DNS issue ... Classification: openSUSE Product: openSUSE 13.1 Version: RC 1 Platform: Other OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: libzypp AssignedTo: zypp-maintainers@forge.provo.novell.com ReportedBy: mmeeks@suse.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Mostly oddly, if I don't do a zypper request for half an hour and then do one - I get DNS failures that then succeed on retry; no idea why that is: sudo zypper se -s pidgin Download (curl) error for 'http://dl.google.com/linux/talkplugin/rpm/stable/i386/repodata/repomd.xml': Error code: Connection failed Error message: Could not resolve host: dl.google.com Abort, retry, ignore? [a/r/i/? shows all options] (a): c^Cmichael@linux-tc27:/opt/libreoffice/master> sudo strace -f -s 256 -o /tmp/slog zypper se -s pidgin Download (curl) error for 'http://download.opensuse.org/debug/distribution/13.1/repo/oss/content': Error code: Connection failed Error message: Could not resolve host: download.opensuse.org Abort, retry, ignore? [a/r/i/? shows all options] (a): .. retrying - they both complete perfectly; no idea why. The strace shows: 24468 clone(child_stack=0xb4fc03a4, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0xb4fc0ba8, {entry_number:6, base_addr:0xb4fc0b40, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}, child_tidptr=0xb4fc0ba8) = 24471 24471 set_robust_list(0xb4fc0bb0, 12 24471 connect(6, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"}, 110 24468 <... clock_gettime resumed> {5330, 343074376}) = 0 24471 <... connect resumed> ) = 0 24468 clock_gettime(CLOCK_MONOTONIC, 24471 send(6, "\2\0\0\0\16\0\0\0\26\0\0\0download.opensuse.org\0", 34, MSG_NOSIGNAL 24468 <... clock_gettime resumed> {5330, 343170479}) = 0 24471 <... send resumed> ) = 34 24468 clock_gettime(CLOCK_MONOTONIC, 24471 poll([{fd=6, events=POLLIN|POLLERR|POLLHUP}], 1, 5000 24468 <... clock_gettime resumed> {5330, 343382660}) = 0 24468 clock_gettime(CLOCK_MONOTONIC, {5330, 343455575}) = 0 .. 24468 clock_gettime(CLOCK_MONOTONIC, {5331, 862561914}) = 0 24468 clock_gettime(CLOCK_MONOTONIC, {5331, 862742666}) = 0 24468 poll(0, 0, 1000 24471 <... poll resumed> ) = 1 ([{fd=6, revents=POLLIN|POLLHUP}]) 24471 read(6, "\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 24) = 24 24471 close(6) = 0 24471 madvise(0xb47c0000, 8372224, MADV_DONTNEED) = 0 24471 _exit(0) = ? 24471 +++ exited with 0 +++ 24468 <... poll resumed> ) = 0 (Timeout) 24468 clock_gettime(CLOCK_MONOTONIC, {5332, 864276257}) = 0 24468 time(NULL) = 1383671698 24468 time(NULL) = 1383671698 24468 open("/etc/localtime", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) 24468 uname({sys="Linux", node="linux-tc27.site", ...}) = 0 24468 write(3, "2013-11-05 17:14:58 <3> linux-tc27.site(24468) [zypp] MediaCurl.cc(doGetFileCopyFile):1439 curl error: 6: Could not resolve host: download.opensuse.org, temp file size 0 bytes.\n", 177) = 177 Which is odd - perhaps the DNS lookup indeed fails - but why it would succeed immediately on a second request I've no idea. Thoughts appreciated :-) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.