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SubjectRe: af_unix udev startup regression
On 04/05/2013 02:03 AM, Linus Torvalds wrote:
> [ Fixed odd legacy subject line that has nothing to do with the actual bug ]
>
> Hmm. Can you double-check and verify that reverting that commit makes
> things work again for you?

reverting 14134f6584212d585b310ce95428014b653dfaf6 works.

14134f6584212d585b310ce95428014b653dfaf6 is already reverted in upstream.
(and sorry for so late reply)

>
> Also, what's your distribution and setup?

Fedora 16

Thanks,
Lai

> I'd like this to get
> verified, just to see that it's not some timing-dependent thing or a
> bisection mistake, but if so, then the LSB test-cases obviously have
> to be fixed, and the commit that causes the problem needs to be
> reverted. Test-cases count for nothing compared to actual users.
>
> Linus
>
> On Thu, Apr 4, 2013 at 9:17 AM, Lai Jiangshan <laijs@cn.fujitsu.com> wrote:
>> Hi, ALL
>>
>> I also encountered the same problem.
>>
>> git bisect:
>>
>> 14134f6584212d585b310ce95428014b653dfaf6 is the first bad commit
>> commit 14134f6584212d585b310ce95428014b653dfaf6
>> Author: dingtianhong <dingtianhong@huawei.com>
>> Date: Mon Mar 25 17:02:04 2013 +0000
>>
>> af_unix: dont send SCM_CREDENTIAL when dest socket is NULL
>>
>> SCM_SCREDENTIALS should apply to write() syscalls only either source or
>> destination
>> socket asserted SOCK_PASSCRED. The original implememtation in
>> maybe_add_creds is wrong,
>> and breaks several LSB testcases ( i.e.
>> /tset/LSB.os/netowkr/recvfrom/T.recvfrom).
>>
>> Origionally-authored-by: Karel Srot <ksrot@redhat.com>
>> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
>> Acked-by: Eric Dumazet <edumazet@google.com>
>> Signed-off-by: David S. Miller <davem@davemloft.net>
>>
>> :040000 040000 ef0356cc0fc168a39c0f94cff0ba27c46c4d0048
>> ae34e59f235c379f04d6145f0103cccd5b3a307a M net
>>
>> ===========
>> Like Brian Gerst, no obvious bug, but the system can't boot, "service udev
>> start" fails when boot
>> (also DEBUG_PAGEALLOC=n, I did not try to test with it=y)
>>
>> [ 11.022976] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 11.023293] systemd[1]: Unit udev-control.socket entered failed state.
>> [ 11.182478] systemd-readahead-replay[399]: Bumped block_nr parameter of
>> 8:16 to 16384. This is a temporary hack and should be removed one day.
>> [ 14.473283] udevd[410]: bind failed: Address already in use
>> [ 14.478630] udevd[410]: error binding udev control socket
>> [ 15.201158] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 16.900792] udevd[427]: error binding udev control socket
>> [ 18.356484] EXT4-fs (sdb7): re-mounted. Opts: (null)
>> [ 19.738401] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 19.742494] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 19.747764] systemd[1]: Unit udev.service entered failed state.
>> [ 19.752303] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 19.770723] udevd[459]: bind failed: Address already in use
>> [ 19.771027] udevd[459]: error binding udev control socket
>> [ 19.771175] udevd[459]: error binding udev control socket
>> [ 19.813256] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 19.914450] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 19.918374] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 19.923392] systemd[1]: Unit udev.service entered failed state.
>> [ 19.923808] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 19.943792] udevd[465]: bind failed: Address already in use
>> [ 19.944056] udevd[465]: error binding udev control socket
>> [ 19.944210] udevd[465]: error binding udev control socket
>> [ 19.946071] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 20.047524] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 20.051939] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 20.057539] systemd[1]: Unit udev.service entered failed state.
>> [ 20.058069] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 20.081141] udevd[467]: bind failed: Address already in use
>> [ 20.087120] udevd[467]: error binding udev control socket
>> [ 20.092040] udevd[467]: error binding udev control socket
>> [ 20.096519] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 20.184910] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 20.189863] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 20.195440] systemd[1]: Unit udev.service entered failed state.
>> [ 20.196012] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 20.220543] udevd[469]: bind failed: Address already in use
>> [ 20.220584] udevd[469]: error binding udev control socket
>> [ 20.220780] udevd[469]: error binding udev control socket
>> [ 20.222830] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 20.323906] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 20.329170] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 20.334785] systemd[1]: Unit udev.service entered failed state.
>> [ 20.335318] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 20.360255] udevd[471]: bind failed: Address already in use
>> [ 20.360294] udevd[471]: error binding udev control socket
>> [ 20.360401] udevd[471]: error binding udev control socket
>> [ 20.362359] systemd[1]: udev.service: main process exited, code=exited,
>> status=1
>> [ 20.463651] systemd[1]: udev.service holdoff time over, scheduling
>> restart.
>> [ 20.468380] systemd[1]: Job pending for unit, delaying automatic restart.
>> [ 20.473938] systemd[1]: Unit udev.service entered failed state.
>> [ 20.474309] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 20.488704] systemd[1]: udev.service start request repeated too quickly,
>> refusing to start.
>> [ 20.504820] systemd[1]: udev-control.socket failed to listen on sockets:
>> Address already in use
>> [ 20.510091] systemd[1]: udev.service start request repeated too quickly,
>> refusing to start.
>> [ 20.511575] systemd[1]: Unit udev-kernel.socket entered failed state.
>



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