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

[Rodolfo Giometti]

On Tue, May 19, 2009 at 02:13:09PM -0500, William S. Brasher wrote:
> 
> 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:

Did you got this error only once or each second?

> 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 ]---

Strange... it doesn't seem PPS related...

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail: giometti at enneenne.com
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