Date: Mon, 16 Jul 2001 22:23:50 -0500 From: Dan Nelson <dnelson@emsphone.com> To: Graham White <graham@bravenet.com> Cc: FreeBSD-questions <FreeBSD-questions@FreeBSD.ORG> Subject: Re: truss - 'err #35 resources temporarily unavailable' Message-ID: <20010716222350.A9032@dan.emsphone.com> In-Reply-To: <CIEEIPPHEMBKLIMPEJFBIECCCBAA.graham@bravenet.com> References: <CIEEIPPHEMBKLIMPEJFBIECCCBAA.graham@bravenet.com>
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In the last episode (Jul 16), Graham White said:
> When running the truss command on one of our PID's for an apache user this
> is one of the messages we're getting:
>
> read(0x4,0x83c7000,0x2000) ERR#35 'Resource
> temporarily unavailable
>
> Looks like it can't access a memory address, is this correct or is it
> something else? Are there anyways to investigate this further as to
> why this is happening?
From the read(2) manpage:
ERRORS
Read(), readv(), and pread() will succeed unless:
[EAGAIN] The file was marked for non-blocking I/O, and
no data were ready to be read.
You're proably using a cgi that uses pthreads; this is normal.
--
Dan Nelson
dnelson@emsphone.com
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