[systemd-devel] test-ipv4ll never finishes

[Tom Gundersen]

Thanks for the report, and to Umut for following up.

Please let us know if there is still a problem with current git.

Cheers,

Tom

On Sat, Aug 30, 2014 at 9:46 PM, Umut Tezduyar Lindskog
<umut at tezduyar.com> wrote:
> I think http://lists.freedesktop.org/archives/systemd-devel/2014-August/022787.html
> should do it! Thanks.
>
> On Sat, Aug 30, 2014 at 8:23 PM, Umut Tezduyar <umut at tezduyar.com> wrote:
>> Thanks. I will take a look at it.
>>
>>> On Aug 30, 2014, at 3:08 PM, Jan Janssen <medhefgo at web.de> wrote:
>>>
>>> Hi,
>>>
>>> on my system, test-ipv4ll waits forever on an epoll:
>>>
>>> $ strace ./test-ipv4ll
>>> execve("./test-ipv4ll", ["./test-ipv4ll"], [/* 64 vars */]) = 0
>>> brk(0)                                  = 0x7f387087e000
>>> access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
>>> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>>> fstat(3, {st_mode=S_IFREG|0644, st_size=231109, ...}) = 0
>>> mmap(NULL, 231109, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f386f85e000
>>> close(3)                                = 0
>>> open("/usr/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
>>> read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\"\0\0\0\0\0\0"..., 832) = 832
>>> fstat(3, {st_mode=S_IFREG|0755, st_size=31760, ...}) = 0
>>> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f386f85d000
>>> mmap(NULL, 2128912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f386f46f000
>>> mprotect(0x7f386f476000, 2093056, PROT_NONE) = 0
>>> mmap(0x7f386f675000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f386f675000
>>> close(3)                                = 0
>>> open("/usr/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
>>> read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000`\0\0\0\0\0\0"..., 832) = 832
>>> fstat(3, {st_mode=S_IFREG|0755, st_size=149301, ...}) = 0
>>> mmap(NULL, 2217104, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f386f251000
>>> mprotect(0x7f386f269000, 2097152, PROT_NONE) = 0
>>> mmap(0x7f386f469000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18000) = 0x7f386f469000
>>> mmap(0x7f386f46b000, 13456, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f386f46b000
>>> close(3)                                = 0
>>> open("/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>>> read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\1\2\0\0\0\0\0"..., 832) = 832
>>> fstat(3, {st_mode=S_IFREG|0755, st_size=2047384, ...}) = 0
>>> mmap(NULL, 3858192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f386eea3000
>>> mprotect(0x7f386f047000, 2097152, PROT_NONE) = 0
>>> mmap(0x7f386f247000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a4000) = 0x7f386f247000
>>> mmap(0x7f386f24d000, 16144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f386f24d000
>>> close(3)                                = 0
>>> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f386f85c000
>>> mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f386f85a000
>>> arch_prctl(ARCH_SET_FS, 0x7f386f85a740) = 0
>>> mprotect(0x7f386f247000, 16384, PROT_READ) = 0
>>> mprotect(0x7f386f469000, 4096, PROT_READ) = 0
>>> mprotect(0x7f386f675000, 4096, PROT_READ) = 0
>>> mprotect(0x7f386f8ab000, 4096, PROT_READ) = 0
>>> mprotect(0x7f386f897000, 4096, PROT_READ) = 0
>>> munmap(0x7f386f85e000, 231109)          = 0
>>> set_tid_address(0x7f386f85aa10)         = 30468
>>> set_robust_list(0x7f386f85aa20, 24)     = 0
>>> rt_sigaction(SIGRTMIN, {0x7f386f256b10, [], SA_RESTORER|SA_SIGINFO, 0x7f386f2604b0}, NULL, 8) = 0
>>> rt_sigaction(SIGRT_1, {0x7f386f256ba0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7f386f2604b0}, NULL, 8) = 0
>>> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
>>> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
>>> brk(0)                                  = 0x7f387087e000
>>> brk(0x7f387089f000)                     = 0x7f387089f000
>>> epoll_create1(EPOLL_CLOEXEC)            = 3
>>> socketpair(PF_LOCAL, SOCK_DGRAM|SOCK_NONBLOCK, 0, [4, 5]) = 0
>>> epoll_ctl(3, EPOLL_CTL_ADD, 4, {EPOLLIN, {u32=1887953936, u64=139880382850064}}) = 0
>>> epoll_ctl(3, EPOLL_CTL_DEL, 4, NULL)    = 0
>>> close(4)                                = 0
>>> epoll_wait(3,
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