Add dynbuff=0 as a module param to ivtv, this should fix the problem, in
0.3 we dynamically allocate memory per capture startup, this seems to be
hard on some heavily loaded systems, also there's a sysctl param in the
doc install files under troubleshooting showing a param to the kernel to
keep memory reserved, either fix or both would help.
Thanks,
Chris
Fredrik Trotzig wrote:
Hi.
With (regular) basis i had some lockups usually with 24-36 hour peridos.
Prolly some recordning,watching,recording,watching and then it happens.
It\'s been for some time now with latest unstable. Here is whats left in the
log after reboot.
The problem is not, with stable drivers.
vtv-0.3.6w-fix-normal-i2c-range-usage_v3.patch is also included.
But of course it happens without also.
Please let me know if more information is needed.
Br Fredrik
---------------
Jul 6 16:56:53 tux ivtv: Allocate DMA encoder MPEG stream: 128 x 32768 buffers
(4096KB total)
Jul 6 16:56:53 tux ivtv: Setup VBI API header 0x0000bd0d pkts 1 buffs 4 ln 36
sz 1444
Jul 6 16:56:53 tux ivtv: Setup VBI start 0x0018ea04 frames 4 fpi 1 lines
0x000000f1
Jul 6 16:56:54 tux saa7115: decoder disable output
Jul 6 16:56:54 tux saa7115: decoder enable output
Jul 6 16:56:55 tux ivtv: Allocate DMA decoder MPEG stream: 16 x 65536 buffers
(1024KB total)
Jul 6 16:56:55 tux printk: 6 messages suppressed.
Jul 6 16:56:55 tux mythfrontend: page allocation failure. order:4, mode:0xd0
Jul 6 16:56:55 tux
Jul 6 16:56:55 tux Call Trace:<ffffffff8015456e>{__alloc_pages+878} <ffffffff8015714b>{cache_alloc_refill+587}
Jul 6 16:56:55 tux <ffffffff80156d23>{__kmalloc+83} <ffffffff88058c63>{:ivtv:ivtv_init_buffer+67}
Jul 6 16:56:55 tux <ffffffff88058e0b>{:ivtv:ivtv_init_queues_nolock+107}
Jul 6 16:56:55 tux <ffffffff8805a923>{:ivtv:ivtv_stream_alloc+419} <ffffffff8805ce22>{:ivtv:ivtv_claim_stream+98}
Jul 6 16:56:55 tux <ffffffff8805e6bc>{:ivtv:ivtv_v4l2_write+172} <ffffffff801542c2>{__alloc_pages+194}
Jul 6 16:56:55 tux <ffffffff8015459f>{__get_free_pages+31} <ffffffff8017f513>{poll_freewait+67}
Jul 6 16:56:55 tux <ffffffff8016db27>{vfs_write+199} <ffffffff8016dcb3>{sys_write+83}
Jul 6 16:56:55 tux <ffffffff8010e1fa>{system_call+126}
Jul 6 16:56:55 tux ivtv: No memory on buffer alloc!
Jul 6 16:56:55 tux ivtv: Buffer alloc failed!
Jul 6 16:56:55 tux ivtv: Couldn\'t allocate buffers for decoder MPEG stream
---------------------------------------------------------------------------------
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