[LinuxPPS] unofficial Test patch for linux v2.6.30-rc6

[William S. Brasher]

On Tue, 19 May 2009, Udo van den Heuvel wrote:

> Udo van den Heuvel wrote:
> > Rodolfo Giometti wrote:
> > > Please, test the patch:
> > >
> > >    http://ftp.enneenne.com/pub/misc/linuxpps/patches/tests/ntp-pps-v2.6.30-rc5
> > 
> > The patch applies nicely also to 2.6.30-rc6 (instead of rc5).
> 
> I adapted the ntp-pps patch to have the split pph.h: pps_kernel.h and pps.h. I
> changed documentation accordingly.
> I removed ppsldisc.c.
> Patch applies to rc6 and compiles.
> 
> Please report your feedback here.
> 
> 


I have installed kernel 2.6.30-rc6 patched with ntp-pps-v2.6.30-rc5 and 
pps seems to be working fine with ntp-4.2.4p7 and glibc-2.9.


The first time I ran ppsldisc I got the following in the logs:

May 19 12:39:43 tara kernel: new PPS source serial0 at ID 0
May 19 12:39:43 tara kernel: PPS source #0 "/dev/ttyS0" added
May 19 12:39:44 tara kernel: ------------[ cut here ]------------
May 19 12:39:44 tara kernel: WARNING: at kernel/mutex.c:207 warn_slowpath_null+0xd/0x11()
May 19 12:39:44 tara kernel: Hardware name: EPIA
May 19 12:39:44 tara kernel: Modules linked in: snd_via82xx snd_ac97_codec ac97_bus snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi fan snd_seq_device snd via_agp processor thermal button soundcore uhci_hcd usbcore agpgart
May 19 12:39:44 tara kernel: Pid: 0, comm: swapper Not tainted 2.6.30-rc6-pps #1
May 19 12:39:44 tara kernel: Call Trace:
May 19 12:39:44 tara kernel: [<c0117086>] ? warn_slowpath_fmt+0x81/0xaf
May 19 12:39:44 tara kernel: [<c0256c1e>] ? rhine_start_tx+0x164/0x23d
May 19 12:39:44 tara kernel: [<c0256c98>] ? rhine_start_tx+0x1de/0x23d
May 19 12:39:44 tara kernel: [<c011274f>] ? enqueue_entity+0x66/0x10d
May 19 12:39:44 tara kernel: [<c0113745>] ? enqueue_task_fair+0x19/0x51
May 19 12:39:44 tara kernel: [<c0111c08>] ? activate_task+0x36/0x43
May 19 12:39:44 tara kernel: [<c011274f>] ? enqueue_entity+0x66/0x10d
May 19 12:39:44 tara kernel: [<c01170c1>] ? warn_slowpath_null+0xd/0x11
May 19 12:39:44 tara kernel: [<c02dbad8>] ? __mutex_lock_slowpath+0x49/0x184
May 19 12:39:44 tara kernel: [<c02dbc1b>] ? mutex_lock+0x8/0x14
May 19 12:39:44 tara kernel: [<c0226e9b>] ? echo_set_canon_col+0x11/0x32
May 19 12:39:44 tara kernel: [<c0227d37>] ? n_tty_receive_buf+0x2c4/0xcb1
May 19 12:39:44 tara kernel: [<c02a1643>] ? tcp_current_mss+0x38/0x53
May 19 12:39:44 tara kernel: [<c0129868>] ? getnstimeofday+0x4d/0xca
May 19 12:39:44 tara kernel: [<c0126abf>] ? ktime_get_ts+0x1d/0x3f
May 19 12:39:44 tara kernel: [<c0126af0>] ? ktime_get+0xf/0x2b
May 19 12:39:44 tara kernel: [<c012792b>] ? sched_clock_cpu+0x79/0x236
May 19 12:39:44 tara kernel: [<c0229e3b>] ? flush_to_ldisc+0xd3/0x15b
May 19 12:39:44 tara kernel: [<c023a133>] ? serial8250_handle_port+0x208/0x22f
May 19 12:39:44 tara kernel: [<c023a192>] ? serial8250_interrupt+0x38/0xb0
May 19 12:39:44 tara kernel: [<c01324aa>] ? handle_IRQ_event+0x1a/0x94
May 19 12:39:44 tara kernel: [<c013341a>] ? handle_level_irq+0x50/0x85
May 19 12:39:44 tara kernel: [<c0103e78>] ? handle_irq+0x38/0x40
May 19 12:39:44 tara kernel: [<c0103c10>] ? do_IRQ+0x2b/0x63
May 19 12:39:44 tara kernel: [<c0102dc9>] ? common_interrupt+0x29/0x30
May 19 12:39:44 tara kernel: [<f80d0d23>] ? acpi_idle_enter_simple+0x11f/0x152 [processor]
May 19 12:39:44 tara kernel: [<c02692fa>] ? cpuidle_idle_call+0x54/0x86
May 19 12:39:44 tara kernel: [<c0101b7b>] ? cpu_idle+0x19/0x2e
May 19 12:39:44 tara kernel: [<c03d08c4>] ? start_kernel+0x244/0x247
May 19 12:39:44 tara kernel: ---[ end trace 7597b039ee4bb293 ]---