search for: sys_pipe

...orrection details The following list contains the revision numbers of each file that was corrected in FreeBSD. CVS: Branch Revision Path - ------------------------------------------------------------------------- RELENG_6 src/sys/kern/sys_pipe.c 1.184.2.5 RELENG_6_4 src/UPDATING 1.416.2.40.2.9 src/sys/conf/newvers.sh 1.69.2.18.2.11 src/sys/kern/sys_pipe.c 1.184.2.4.2.2 RELENG_6_3 src...

...t;] create_read_pipe+0x24/0xb0 Sep 17 15:26:18 box6 kernel: [ 1948.628524] [<ffffffff8114daac>] do_pipe_flags+0x6c/0x130 Sep 17 15:26:18 box6 kernel: [ 1948.645374] [<ffffffff8155d6b3>] ? do_page_fault+0x153/0x3b0 Sep 17 15:26:18 box6 kernel: [ 1948.662055] [<ffffffff8114db94>] sys_pipe2+0x24/0x70 Sep 17 15:26:18 box6 kernel: [ 1948.678520] [<ffffffff8155afd5>] ? page_fault+0x25/0x30 Sep 17 15:26:18 box6 kernel: [ 1948.694891] [<ffffffff8114dbf0>] sys_pipe+0x10/0x20 Sep 17 15:26:18 box6 kernel: [ 1948.710975] [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b...

I just got lots and lots of this: kern.ipc.maxpipekva exceeded; see tuning(7) However, tuning(7) on my system has no information about this tunable whatsoever. anglepoise:~ % uname -a FreeBSD anglepoise.lon.incunabulum.net 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #3: Tue Nov 4 15:40:44 GMT 2008 root@anglepoise.lon.incunabulum.net:/home/obj/usr/src/sys/ANGLEPOISE7 amd64 anglepoise:~ %

...4ff5f f7963cb0 00000001 00000ff8 f767bfac c0162d17 00000000 f74f4080 fffffff7 bfffdeec f767bfb0 0805cbdc Call Trace: [<c015dc24>] do_pipe+0x32/0x20e [<c0168225>] dput+0x9e/0x2b0 [<c014ff5f>] vfs_read+0x94/0x103 [<c0162d17>] do_fcntl+0x18c/0x21f [<c010a8ad>] sys_pipe+0x11/0x49 [<c0103f2f>] syscall_call+0x7/0xb Code: 8b 40 14 89 04 24 e8 4e d5 00 00 85 c0 89 c3 0f 84 8d 00 00 It appears that linux/init/main.c:init() has a chicken/egg problem. Apparently modprobe and other programs need a pipe and pipefs isn't mounted until later on in do_basic_setup...