Date: Tue, 18 Apr 2017 11:59:39 +0200 From: "Ronald Klop" <ronald-lists@klop.ws> To: freebsd-current@freebsd.org Subject: Re: Fwd: Sendmail eats CPU on r317039 [after -r316874 it may be -r316951 and -r316973 are not enough to fix everything] Message-ID: <op.yyvx1pn5kndu52@53556c9c.cm-6-6b.dynamic.ziggo.nl> In-Reply-To: <91A4570B-69EE-4462-9C60-205C66267599@dsl-only.net> References: <CAOQrpVcMaJMdumOKGkUxMHPD-rGWQHbaLm3EsWagJp2wt_8KWg@mail.gmail.com> <91A4570B-69EE-4462-9C60-205C66267599@dsl-only.net>
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there is a thread ono this list about a problem in syslogd which made
syslog-clients (like sendmail busy-looping on logging.
That might be related to this. (it is fixed in the source already, so
upgrading again might help)
See the thread with subject like 'Re: r316958: booting a server takes >10
minutes!'
Regards,
Ronald.
On Mon, 17 Apr 2017 16:57:39 +0200, Mark Millard <markmi@dsl-only.net>
wrote:
> Just an FYI of a more recent report of runaway sendmail on a
> more recent system version ( -r317039 ):
>
> Begin forwarded message:
>
>> From: Tom Vijlbrief <tvijlbrief at gmail.com>
>> Subject: Sendmail eats CPU on r317039
>> Date: April 17, 2017 at 3:39:37 AM PDT
>> To: "freebsd-current at freebsd.org" <freebsd-current at freebsd.org>,
>> freebsd-arm <freebsd-arm at freebsd.org>
>>
>> On a recent kernel sendmail is constantly consuming CPU.
>>
>> truss -p PID
>>
>> shows:
>>
>> sendto(3,"<22>Apr 17 10:30:33 sendmail[362"...,163,0x0,NULL,0) ERR#55
>> 'No
>> buffer space available'
>> nanosleep({ 0.000001000 }) = 0 (0x0)
>> sendto(3,"<22>Apr 17 10:30:33 sendmail[362"...,163,0x0,NULL,0) ERR#55
>> 'No
>> buffer space available'
>> nanosleep({ 0.000001000 })
>> ...
>>
>> This is on an arm64 system
>
> Analysis of Tom V.'s context for this may be required.
>
> ===
> Mark Millard
> markmi at dsl-only.net
>
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