Date: Fri, 19 Dec 2014 10:28:57 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Andrey Fesenko <f0andrey@gmail.com>, Gleb Smirnoff <glebius@freebsd.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: lighttpd crush the system after r274463 Message-ID: <CAJ-Vmo=asEw%2BASa4YgAoYAKJgKp9y_%2BT=xNz3DDtSE9xXE377A@mail.gmail.com> In-Reply-To: <CA%2BK5SrNXRssErBfxFwtPpSYHZQ-OX6AQ2ipYmq%2BKF8zRCjknzw@mail.gmail.com> References: <CA%2BK5SrNXRssErBfxFwtPpSYHZQ-OX6AQ2ipYmq%2BKF8zRCjknzw@mail.gmail.com>
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Hm, glebius? Any ideas?
-adrian
On 19 December 2014 at 02:27, Andrey Fesenko <f0andrey@gmail.com> wrote:
> Hello,
> I'm use lighttpd+SPAWNFCGI for moinmoin wiki.
> Before r274463 work fine, after update r275317 and CURRENT system
> crushed after start any python CGI script.
>
> For test i'm install py27-flup and start simple
>
> #!/usr/local/bin/python2.7
> def myapp(environ, start_response):
> start_response('200 OK', [('Content-Type', 'text/plain')])
> return ['Hello World!\n']
>
> if __name__ == '__main__':
> from flup.server.fcgi import WSGIServer
> WSGIServer(myapp).run()
>
> Perl CGI test script work fine.
>
> Workaround FreeBSD-r275317 and later
>
> lighttpd-1.4.35_5
> Options :
> BZIP2 : on
> DOCS : on
> FAM : on
> GDBM : off
> IPV6 : on
> LDAP : off
> LIBEV : on
> LUA : on
> MEMCACHE : off
> MYSQL : off
> MYSQLAUTH : off
> NODELAY : on
> OPENSSL : on
> SPAWNFCGI : on
> VALGRIND : off
> WEBDAV : off
> Shared Libs required:
> libpcre.so.1
> liblua-5.1.so
> libfam.so.0
> libev.so.4
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x8
> fault code = supervisor read data, page not present
> instruction pointer = 0x20:0xffffffff809d44bd
> stack pointer = 0x28:0xfffffe00f77df700
> frame pointer = 0x28:0xfffffe00f77df730
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 658 (lighttpd)
> [ thread pid 658 tid 100067 ]
> Stopped at sbappendstream_locked+0x2d: cmpq $0,0x8(%r14)
> db> bt
> Tracing pid 658 tid 100067 td 0xfffff8000ba3e940
> sbappendstream_locked() at sbappendstream_locked+0x2d/frame 0xfffffe00f77df730
> sbappendstream() at sbappendstream+0x3c/frame 0xfffffe00f77df760
> tcp_usr_send() at tcp_usr_send+0x1ab/frame 0xfffffe00f77df7e0
> sosend_generic() at sosend_generic+0x40b/frame 0xfffffe00f77df8a0
> soo_write() at soo_write+0x42/frame 0xfffffe00f77df8d0
> dofilewrite() at dofilewrite+0x88/frame 0xfffffe00f77df920
> kern_writev() at kern_writev+0x68/frame 0xfffffe00f77df970
> sys_writev() at sys_writev+0x36/frame 0xfffffe00f77df9a0
> amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe00f77dfab0
> Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe00f77dfab0
> --- syscall (121, FreeBSD ELF64, sys_writev), rip = 0x80164cb8a, rsp =
> 0x7fffffffa658, rbp = 0x7fffffffe6
> c0 ---
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