Hello, I have a weird problem with my myth box. It's a P-III 700 Celeron with 384 MB of RAM, all Intel Hardware i815 chipset and an PVR 350 running Debian Sarge and 2.6.12.4 Kernel, acting as a front- and backend. Upon system startup everything works correctly and without problems, however after a few days of uptime the box would OOPS and hang. Follwing dump from that:
Aug 10 16:46:39 sulaco kernel: saa7115: decoder set picture bright=127 contrast=63 saturation=63 hue=0 Aug 10 16:46:39 sulaco last message repeated 3 times Aug 10 16:46:39 sulaco kernel: saa7115: decoder set size Aug 10 16:46:39 sulaco kernel: ivtv: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total) Aug 10 16:46:39 sulaco kernel: ivtv: Allocate DMA encoder VBI stream: 164 x 12740 buffers (2048KB total) Aug 10 16:46:39 sulaco kernel: ivtv: Setup VBI API header 0x0000bd06 pkts 1 buffs 48 ln 34 sz 64 Aug 10 16:46:39 sulaco kernel: ivtv: Setup VBI start 0x0018ea04 frames 48 fpi 1 lines 0x000000f1 Aug 10 16:46:40 sulaco kernel: saa7115: decoder disable output Aug 10 16:46:40 sulaco kernel: saa7115: decoder enable output Aug 10 16:46:40 sulaco kernel: ivtv: VBI insertion started Aug 10 16:46:41 sulaco kernel: ivtv: Allocate DMA decoder MPEG stream: 16 x 65536 buffers (1024KB total) Aug 10 16:46:41 sulaco kernel: mythfrontend: page allocation failure. order:4, mode:0xd0 Aug 10 16:46:41 sulaco kernel: [__alloc_pages+624/960] __alloc_pages+0x270/0x3c0 Aug 10 16:46:41 sulaco kernel: [kmem_getpages+44/160] kmem_getpages+0x2c/0xa0 Aug 10 16:46:41 sulaco kernel: [cache_grow+165/352] cache_grow+0xa5/0x160 Aug 10 16:46:41 sulaco kernel: [cache_alloc_refill+359/528] cache_alloc_refill+0x167/0x210 Aug 10 16:46:41 sulaco kernel: [__kmalloc+90/112] __kmalloc+0x5a/0x70 Aug 10 16:46:41 sulaco kernel: [pg0+408861597/1070466048] ivtv_init_buffer+0x2d/0x150 [ivtv] Aug 10 16:46:41 sulaco kernel: [pg0+408861941/1070466048] ivtv_init_queue_nolock+0x35/0x80 [ivtv] Aug 10 16:46:41 sulaco kernel: [pg0+408862085/1070466048] ivtv_init_queues_nolock+0x45/0x80 [ivtv] Aug 10 16:46:41 sulaco kernel: [pg0+408868066/1070466048] ivtv_stream_alloc+0x102/0x200 [ivtv] Aug 10 16:46:41 sulaco kernel: [pg0+408878257/1070466048] ivtv_claim_stream+0x51/0x1d0 [ivtv] Aug 10 16:46:41 sulaco kernel: [pg0+408885468/1070466048] ivtv_v4l2_write+0x9c/0x160 [ivtv] Aug 10 16:46:41 sulaco kernel: [vfs_write+151/256] vfs_write+0x97/0x100 Aug 10 16:46:41 sulaco kernel: [sys_write+71/128] sys_write+0x47/0x80 Aug 10 16:46:41 sulaco kernel: [syscall_call+7/11] syscall_call+0x7/0xb Aug 10 16:46:41 sulaco kernel: ivtv: No memory on buffer alloc! Aug 10 16:46:41 sulaco kernel: ivtv: Buffer alloc failed! Aug 10 16:46:41 sulaco kernel: ivtv: Couldn't allocate buffers for decoder MPEG stream Aug 10 16:47:22 sulaco kernel: Unable to load interpreter /lib/ld-linux.so.2 I read there, the box uses up all the RAM...All I can do is a hard reset. After that, it works correctly for a few days again. That OOPS occurs typically when switching to live TV. I've experienced that for quite a while however I didn't success to reproduce it at will. I am not sure whether mythtv (with 0.18 and CVS happens the same) or the driver itself causes that OOPS. Following info from the ivtv drivers (I've stripped the timestamp, for readability). If you need more information, just ask. ivtv: ==================== START INIT IVTV ==================== ivtv: version 0.3.7 (b) loading ivtv: Linux version: 2.6.12.4 preempt PENTIUMIII REGPARM gcc-3.3 ivtv: In case of problems please include the debug info ivtv: between the START INIT IVTV and END INIT IVTV lines when ivtv: mailing the ivtv-devel mailinglist. ivtv: Autodetected WinTV PVR 350 card ivtv: Found an iTVC15 based chip ACPI: PCI Interrupt 0000:01:09.0[A] -> GSI 18 (level, low) -> IRQ 169 tveeprom: Hauppauge: model = 48139, rev = K257, serial# = 2868161 tveeprom: tuner = Philips FM1216 ME MK3 (idx = 57, type = 38) tveeprom: tuner fmt = PAL(B/G) PAL(I) SECAM(L/L) PAL(D/K) (eeprom = 0x74, v4l2 = 0x00400e17) tveeprom: audio_processor = CS5331 (type = 9) ivtv: i2c attach [client=tveeprom[50],ok] ivtv: Tuner Type 38, Tuner formats 0x00400e17, Radio: yes, Model 0x00ad2557, Revision 0x00000001 ivtv: PAL tuner detected ivtv: Radio detected tuner: Ignoring new-style parameters in presence of obsolete ones tuner: chip found at addr 0xc2 i2c-bus ivtv i2c driver #0 ivtv: i2c attach [client=(tuner unset),ok] saa7115: starting probe for adapter ivtv i2c driver #0 (0x10005) saa7115: detecting saa7115 client on address 0x42 saa7115: writing init values ivtv: i2c attach [client=saa7115[50],ok] saa7115: status: (1E) 0x00, (1F) 0x40 saa7127: Ignoring new-style parameters in presence of obsolete ones saa7127: video encoder driver version V 0.3 loaded saa7127: starting probe on adapter ivtv i2c driver #0 (0x10005) saa7127: detecting saa7127 client on address 0x88 saa7127: Selecting NTSC video Standard saa7127: Selecting S-Video+Composite saa7127: Turn WSS off saa7127: Widescreen Mode 4:3 Full Format saa7127: Selecting Normal Encoder Input saa7127: Enable Video Output ivtv: i2c attach [client=saa7127[50],ok] msp34xx: ivtv version msp34xx: init: chip=MSP3418W-B3, has NICAM support, simple (D) mode, simpler (G) no-thread mode msp34xx: $Id$ compiled on: Aug 8 2005 19:17:57 ivtv: i2c attach [client=MSP3418W-B3,ok] tda9885/6/7: chip found @ 0x86 ivtv: i2c attach [client=tda9887,ok] ivtv: Encoder revision: 0x02040011 ivtv: Decoder revision: 0x02020023 ivtv: Configuring WinTV PVR 350 card with 10 streams ivtv: Registered v4l2 device for encoder MPEG minor 0 ivtv: Create DMA encoder MPEG stream: 0 x 32768 buffers (0KB total) ivtv: Registered v4l2 device for encoder YUV minor 32 ivtv: Create DMA encoder YUV stream: 0 x 12960 buffers (0KB total) ivtv: Registered v4l2 device for encoder VBI minor 224 ivtv: Create DMA encoder VBI stream: 0 x 12740 buffers (0KB total) ivtv: Registered v4l2 device for encoder PCM audio minor 24 ivtv: Create DMA encoder PCM audio stream: 0 x 4608 buffers (0KB total) ivtv: Registered v4l2 device for encoder radio minor 64 ivtv: Create encoder radio streamivtv: Registered v4l2 device for decoder MPEG minor 16 ivtv: Create DMA decoder MPEG stream: 0 x 65536 buffers (0KB total) ivtv: Registered v4l2 device for decoder VBI minor 228 ivtv: Create DMA decoder VBI stream: 0 x 2048 buffers (0KB total) ivtv: Registered v4l2 device for decoder VOUT minor 232 ivtv: Create decoder VOUT stream ivtv: Registered v4l2 device for decoder YUV minor 48 ivtv: Create DMA decoder YUV stream: 0 x 51840 buffers (0KB total) ivtv: Create DMA decoder OSD stream: 0 x 65536 buffers (0KB total) ivtv: Setting Tuner 38 tuner: type set to 38 (Philips PAL/SECAM multi (FM1216ME MK3)) by ivtv i2c driver #0 saa7115: decoder set norm PAL ivtv: ivtv_enc_thread: pid = 730, itv = 0xd8937ba0 ivtv: ivtv_enc_vbi_thread: pid = 731, itv = 0xd8937ba0 ivtv: ivtv_dec_thread: pid = 732, itv = 0xd8937ba0 ivtv: ivtv_dec_vbi_thread: pid = 733, itv = 0xd8937ba0 saa7115: set audio: 0x01 saa7115: decoder set input (4) saa7115: now setting Composite input ivtv: Setting audio matrix to input 3, output 1 ivtv: Switching standard to PAL. saa7115: decoder set norm PAL saa7115: set audio: 0x01 saa7127: Setting Encoder Video Standard saa7127: Set PAL Video Mode saa7127: Selecting PAL video Standard ivtv: Initialized WinTV PVR 350, card #0 ivtv: ==================== END INIT IVTV ==================== ivtv-osd: Framebuffer module loaded (attached to ivtv card id 0) ivtv-osd: Framebuffer is at decoder-relative address 0x00510000 and has 1704960 bytes. ivtv-osd: screen coords: [0 0] -> [720 576] ivtv-osd: original global alpha = 208 ivtv-osd: current OSD state = 39 ivtv-osd: new global alpha = 208 (1 255 0) ivtv-osd: framebuffer at 0xf9510000, mapped to 0xd9810000, size 1620k ivtv-osd: mode is 720x576x32, linelength=2880 ivtv-osd: fb0: iTVC15 TV out frame buffer device ivtv: Allocate DMA decoder OSD stream: 16 x 65536 buffers (1024KB total) Thanks a lot -Dimitri Puzin aka Tristan-77x ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA 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