Arnold Krille wrote:
> On Thursday 06 August 2009 22:05:42 James Stone wrote:
>> Actually, I get xruns with qjackctl every 14 minutes...
>
> That time is imho to long for the usual culprits like graphics or
> wireless.
>
> Is your mail-app checking mails every 14 or 15 minutes? Is your
> instant messenger rechecking its connection?
>
> Maybe cron is the reason as todays systems configure it so that it
> runs every quarter of an hour. I had that problem once (for me it was
> cron-triggered backups during recording sessions) and "solved" it by
> editing the systems crontab. It then only did the run-crons when
> "pidof jackd" didn't return a pid ie. if no jackd was running...
>
Good ideas.. I tried to kill everything non-essential, but am still
getting an xrun every 14 minutes.. Here is the full top just 1 second
before the xrun occurred:
Tasks: 53 total, 1 running, 52 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si,
0.0%st
Mem: 1036260k total, 675232k used, 361028k free, 46480k buffers
Swap: 1967920k total, 4k used, 1967916k free, 486244k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2276 root 15 -5 0 0 0 S 0.7 0.0 0:00.86 kjournald
9004 james 20 0 45760 44m 25m S 0.3 4.4 2:47.60 qjackctl
1 root 20 0 2168 728 628 S 0.0 0.1 0:01.48 init
2 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0.0 0.0 0:00.00
migration/0
4 root 15 -5 0 0 0 S 0.0 0.0 0:00.18
ksoftirqd/0
5 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
6 root 15 -5 0 0 0 S 0.0 0.0 0:02.06 events/0
7 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
38 root 15 -5 0 0 0 S 0.0 0.0 0:00.18 kblockd/0
41 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
42 root 15 -5 0 0 0 S 0.0 0.0 0:00.00
kacpi_notify
140 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
175 root 20 0 0 0 0 S 0.0 0.0 0:00.00 pdflush
176 root 20 0 0 0 0 S 0.0 0.0 0:00.84 pdflush
177 root 15 -5 0 0 0 S 0.0 0.0 0:00.24 kswapd0
178 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
720 root 15 -5 0 0 0 S 0.0 0.0 0:00.00
ksuspend_usbd
723 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
747 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ata/0
750 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
1155 root 15 -5 0 0 0 S 0.0 0.0 0:00.20 kjournald
1857 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kgameportd
2275 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2280 root 15 -5 0 0 0 S 0.0 0.0 0:00.92 kjournald
2281 root 15 -5 0 0 0 S 0.0 0.0 0:00.12 kjournald
2282 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2283 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2284 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2285 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2286 root 15 -5 0 0 0 S 0.0 0.0 0:00.00 kjournald
2287 root 15 -5 0 0 0 S 0.0 0.0 0:00.26 kjournald
3269 root 20 0 1788 416 348 S 0.0 0.0 0:00.00 klogd
4290 root 20 0 15636 1812 1132 S 0.0 0.2 0:00.00 gdm
4293 root 20 0 16020 3152 2392 S 0.0 0.3 0:00.06 gdm
4323 root 20 0 62496 46m 7268 S 0.0 4.6 16:24.08 Xorg
4439 root 20 0 1784 524 460 S 0.0 0.1 0:00.00 getty
4440 root 20 0 1784 524 460 S 0.0 0.1 0:00.00 getty
4441 root 20 0 1784 528 460 S 0.0 0.1 0:00.00 getty
4442 root 20 0 1784 524 460 S 0.0 0.1 0:00.00 getty
4443 root 20 0 1784 524 460 S 0.0 0.1 0:00.00 getty
4444 root 20 0 1784 524 460 S 0.0 0.1 0:00.00 getty
4468 james 20 0 7152 1160 932 S 0.0 0.1 0:00.04
WindowMaker
4605 james 20 0 9952 5520 3756 S 0.0 0.5 0:19.76
WindowMaker
8429 james 20 0 12952 3184 2484 S 0.0 0.3 0:00.46 aterm
8430 james 20 0 5300 1996 1344 S 0.0 0.2 0:00.00 bash
9010 james 20 0 22080 21m 4144 S 0.0 2.1 0:45.02 jackd
9642 james 20 0 13084 3300 2484 S 0.0 0.3 0:01.00 aterm
proc/interrupts:
CPU0
0: 229 XT-PIC-XT timer
1: 1349 XT-PIC-XT i8042
2: 0 XT-PIC-XT cascade
4: 2 XT-PIC-XT ehci_hcd:usb3
5: 357787 XT-PIC-XT EMU10K1
6: 5 XT-PIC-XT floppy
7: 127 XT-PIC-XT NVidia nForce2
8: 4 XT-PIC-XT rtc
9: 0 XT-PIC-XT acpi
10: 131847 XT-PIC-XT ohci_hcd:usb1, nvidia
11: 239397 XT-PIC-XT ohci_hcd:usb2, eth0
12: 3 XT-PIC-XT bttv0
14: 23608 XT-PIC-XT ide0
15: 20132 XT-PIC-XT ide1
NMI: 0 Non-maskable interrupts
LOC: 402378 Local timer interrupts
RES: 0 Rescheduling interrupts
CAL: 0 function call interrupts
TLB: 0 TLB shootdowns
TRM: 0 Thermal event interrupts
SPU: 0 Spurious interrupts
ERR: 0
MIS: 0
uname -a
Linux 2.6.24-1-686 #1 SMP Thu May 8 02:16:39 UTC 2008 i686 GNU/Linux
So, you can see I am using a vanilla kernel, but the fact it's only
every 14 mins seems very strange to me. It is often preceded by a slow
build-up of static on audio output, which stops when the xrun happens
(this isn't recorded to disk in ardour tho).Any ideas what might be
going on? Could it be hardware-related??
James
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