On Tuesday 12 December 2006 22:25, Frank Corrao wrote:
> Upgrading to 0.8.2 did not resolve this problem, however, I rebuilt
> my system with fc6 (and thus a newer version of the 2.6.18 kernel)
> and the problem somehow went away. Unfortunately I can't say for
> certain if it was the newer kernel in fc6 or some other issue. I'm
> once again a very happy ivtv user. Thanks.
I suspect it was a mismatch between the two somehow. I thought it was an
odd bug as I'd never heard of it before. And I couldn't see anything
special in the code.
Hans
>
> Frank
>
> On Thu, 7 Dec 2006, Frank Corrao wrote:
> > Greetings,
> >
> > I recently purchased a second pvr-350 which i've installed in my
> > mythtv box - asus a8n5x motherboard, amd 3000+, 2 pvr-350's running
> > fc5 x86_64, ivtv 0.8.1 on kernel 2.6.18-1.2239. When I installed
> > the second card, I noticed that if I try to query the current input
> > (v4l2-ctl -d /dev/video1 -I), I get an oops. Other v4l2-ctl
> > queries to the second card seem to hang. Reading from /dev/video1
> > w/ cat also hangs. The first card (/dev/video0) functions
> > normally. I've verified there is no problem with the cards
> > themselves - they each work fine in any of my pci slots if I only
> > install a single card. When I install them both, the second one
> > (/dev/video1) always fails as described above.
> >
> >
> > Here is the Oops:
> >
> > Dec 7 02:00:24 lipizzan kernel: Unable to handle kernel NULL
> > pointer dereference at 000000000000003c RIP:
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff882ecf10>]
> >
> > :ivtv:ivtv_v4l2_open+0x41/0x26b
> >
> > Dec 7 02:00:24 lipizzan kernel: PGD 2d1e7067 PUD 36a4a067 PMD 0
> > Dec 7 02:00:24 lipizzan kernel: Oops: 0000 [1] SMP
> > Dec 7 02:00:24 lipizzan kernel: last sysfs file:
> > /block/hda/hda1/size Dec 7 02:00:24 lipizzan kernel: CPU 0
> > Dec 7 02:00:24 lipizzan kernel: Modules linked in: ipv6 autofs4
> > hidp rfcomm l2cap bluetooth sunrpc ip_conntrack_netbios_ns
> > ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter
> > ip_tables x_tables xfs dm_mirror dm_mod video sbs i2c_ec button
> > battery asus_acpi ac lp parport_pc parport pl2303 usbserial sg
> > msp3400 saa7127 saa7115 tuner floppy ehci_hcd ohci_hcd ivtv(U)
> > i2c_algo_bit cx2341x tveeprom videodev v4l1_compat v4l2_common
> > serio_raw snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy
> > snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
> > k8_edac edac_mc snd_mixer_oss snd_pcm pcspkr sata_nv snd_timer snd
> > ide_cd soundcore snd_page_alloc cdrom forcedeth i2c_nforce2
> > i2c_core shpchp raid1 ext3 jbd sata_via libata sd_mod scsi_mod
> > Dec 7 02:00:24 lipizzan kernel: Pid: 3014, comm: v4l2-ctl Tainted:
> > GF 2.6.18-1.2239.fc5 #1
> > Dec 7 02:00:24 lipizzan kernel: RIP: 0010:[<ffffffff882ecf10>]
> > [<ffffffff882ecf10>] :ivtv:ivtv_v4l2_open+0x41/0x26b
> > Dec 7 02:00:24 lipizzan kernel: RSP: 0018:ffff81002d2cfdc8
> > EFLAGS: 00010206
> > Dec 7 02:00:24 lipizzan kernel: RAX: 0000000000000000 RBX:
> > ffff81003df60000 RCX: 0000000000000000
> > Dec 7 02:00:24 lipizzan kernel: RDX: 0000000000000960 RSI:
> > 0000000000000002 RDI: ffffffff8830ffa0
> > Dec 7 02:00:24 lipizzan kernel: RBP: 0000000000000001 R08:
> > 0000000000000000 R09: 0000000000000000
> > Dec 7 02:00:24 lipizzan kernel: R10: 0000000000000001 R11:
> > ffffffff8022c76a R12: 0000000000000004
> > Dec 7 02:00:24 lipizzan kernel: R13: ffff81003f6000c0 R14:
> > ffff81003f5188c0 R15: ffff81003c6b3160
> > Dec 7 02:00:24 lipizzan kernel: FS: 00002aaaaaac5480(0000)
> > GS:ffffffff80603000(0000) knlGS:00000000f7dd5ba0
> > Dec 7 02:00:24 lipizzan kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
> > 0000000080050033
> > Dec 7 02:00:24 lipizzan kernel: CR2: 000000000000003c CR3:
> > 000000002d1b3000 CR4: 00000000000006e0
> > Dec 7 02:00:24 lipizzan kernel: Process v4l2-ctl (pid: 3014,
> > threadinfo ffff81002d2ce000, task ffff81002c93b7d0)
> > Dec 7 02:00:24 lipizzan kernel: Stack: 0000000000000001
> > ffffffff882b5b80 0000000000000000 ffff81003f6000c0
> > Dec 7 02:00:24 lipizzan kernel: ffff81003eab3570 ffffffff882b2666
> > 0000000000000000 0000000000000000
> > Dec 7 02:00:24 lipizzan kernel: ffff81003ebc9780 ffff81003eab3570
> > ffff81003f6000c0 ffffffff80247e91
> > Dec 7 02:00:24 lipizzan kernel: Call Trace:
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff882b2666>]
> >
> > :videodev:video_open+0xe7/0x1ab
> >
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff80247e91>]
> > chrdev_open+0x149/0x198
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff8021e31b>]
> > __dentry_open+0xd9/0x1e2
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff8022750c>]
> > do_filp_open+0x2a/0x38
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff802194f2>]
> > do_sys_open+0x44/0xbe
> > Dec 7 02:00:24 lipizzan kernel: [<ffffffff8025c00e>]
> > system_call+0x7e/0x83
> > Dec 7 02:00:24 lipizzan kernel: DWARF2 unwinder stuck at
> > system_call+0x7e/0x83
> > Dec 7 02:00:24 lipizzan kernel: Leftover inexact backtrace:
> > Dec 7 02:00:24 lipizzan kernel:
> > Dec 7 02:00:24 lipizzan kernel:
> > Dec 7 02:00:24 lipizzan kernel: Code: 39 68 3c 0f 84 fe 01 00 00
> > 41 ff c4 44 3b a3 f4 25 00 00 7c
> > Dec 7 02:00:24 lipizzan kernel: RIP [<ffffffff882ecf10>]
> >
> > :ivtv:ivtv_v4l2_open+0x41/0x26b
> >
> > Dec 7 02:00:24 lipizzan kernel: RSP <ffff81002d2cfdc8>
> > Dec 7 02:00:24 lipizzan kernel: CR2: 000000000000003c
> >
> >
> >
> > Here is the output of ivtv on boot:
> >
> > Dec 7 01:59:56 lipizzan kernel: ivtv: ==================== START
> > INIT IVTV ==================== Dec 7 01:59:56 lipizzan kernel:
> > ivtv: version 0.8.1 (tagged release) loading Dec 7 01:59:56
> > lipizzan kernel: ivtv: Linux version: 2.6.18-1.2239.fc5 SMP
> > mod_unload gcc-4.1 Dec 7 01:59:56 lipizzan kernel: ivtv: In case
> > of problems please include the debug info between Dec 7 01:59:56
> > lipizzan kernel: ivtv: the START INIT IVTV and END INIT IVTV
> > lines, along with Dec 7 01:59:56 lipizzan kernel: ivtv: any
> > module options, when mailing the ivtv-users mailinglist. Dec 7
> > 01:59:56 lipizzan kernel: Floppy drive(s): fd0 is 1.44M Dec 7
> > 01:59:56 lipizzan kernel: FDC 0 is a post-1991 82077 Dec 7
> > 01:59:56 lipizzan kernel: ata2: SATA link up 1.5 Gbps (SStatus 113
> > SControl 300) Dec 7 01:59:56 lipizzan kernel: ata2.00: ATA-7, max
> > UDMA7, 781422768 sectors: LBA48 NCQ (depth 0/32) Dec 7 01:59:56
> > lipizzan kernel: ata2.00: ata2: dev 0 multi count 1 Dec 7 01:59:56
> > lipizzan kernel: ata2.00: configured for UDMA/133 Dec 7 01:59:56
> > lipizzan kernel: Vendor: ATA Model: SAMSUNG HD400LJ Rev:
> > ZZ10 Dec 7 01:59:56 lipizzan kernel: Type: Direct-Access
> > ANSI SCSI revision: 05 Dec 7 01:59:56 lipizzan
> > kernel: SCSI device sda: 781422768 512-byte hdwr sectors (400088
> > MB) Dec 7 01:59:56 lipizzan kernel: sda: Write Protect is off Dec
> > 7 01:59:56 lipizzan kernel: SCSI device sda: drive cache: write
> > back Dec 7 01:59:56 lipizzan kernel: SCSI device sda: 781422768
> > 512-byte hdwr sectors (400088 MB) Dec 7 01:59:56 lipizzan kernel:
> > sda: Write Protect is off Dec 7 01:59:56 lipizzan kernel: SCSI
> > device sda: drive cache: write back Dec 7 01:59:56 lipizzan
> > kernel: sda: unknown partition table Dec 7 01:59:56 lipizzan
> > kernel: sd 0:0:0:0: Attached scsi disk sda Dec 7 01:59:56 lipizzan
> > kernel: Vendor: ATA Model: SAMSUNG HD400LJ Rev: ZZ10 Dec
> > 7 01:59:56 lipizzan kernel: Type: Direct-Access
> > ANSI SCSI revision: 05 Dec 7 01:59:56 lipizzan kernel: SCSI
> > device sdb: 781422768 512-byte hdwr sectors (400088 MB) Dec 7
> > 01:59:56 lipizzan kernel: sdb: Write Protect is off Dec 7 01:59:56
> > lipizzan kernel: SCSI device sdb: drive cache: write back Dec 7
> > 01:59:56 lipizzan kernel: SCSI device sdb: 781422768 512-byte hdwr
> > sectors (400088 MB) Dec 7 01:59:56 lipizzan kernel: sdb: Write
> > Protect is off Dec 7 01:59:56 lipizzan kernel: SCSI device sdb:
> > drive cache: write back Dec 7 01:59:56 lipizzan kernel: sdb:
> > unknown partition table Dec 7 01:59:56 lipizzan kernel: sd
> > 1:0:0:0: Attached scsi disk sdb Dec 7 01:59:56 lipizzan kernel:
> > ACPI: PCI Interrupt Link [APSJ] enabled at IRQ 21 Dec 7 01:59:56
> > lipizzan kernel: GSI 18 sharing vector 0xE9 and IRQ 18 Dec 7
> > 01:59:56 lipizzan kernel: ACPI: PCI Interrupt 0000:00:08.0[A] ->
> > Link [APSJ] -> GSI 21 (level, low) -> IRQ 233 Dec 7 01:59:56
> > lipizzan kernel: ata3: SATA max UDMA/133 cmd 0x9E0 ctl 0xBE2 bmdma
> > 0xC400 irq 233 Dec 7 01:59:56 lipizzan kernel: ata4: SATA max
> > UDMA/133 cmd 0x960 ctl 0xB62 bmdma 0xC408 irq 233 Dec 7 01:59:56
> > lipizzan kernel: scsi2 : sata_nv
> > Dec 7 01:59:56 lipizzan kernel: ata3: SATA link down (SStatus 0
> > SControl 300) Dec 7 01:59:56 lipizzan kernel: scsi3 : sata_nv
> > Dec 7 01:59:56 lipizzan kernel: ata4: SATA link down (SStatus 0
> > SControl 300) Dec 7 01:59:56 lipizzan kernel: ACPI: PCI Interrupt
> > Link [APCJ] enabled at IRQ 20 Dec 7 01:59:56 lipizzan kernel: GSI
> > 19 sharing vector 0x32 and IRQ 19 Dec 7 01:59:56 lipizzan kernel:
> > ACPI: PCI Interrupt 0000:00:04.0[A] -> Link [APCJ] -> GSI 20
> > (level, low) -> IRQ 50 Dec 7 01:59:56 lipizzan kernel:
> > intel8x0_measure_ac97_clock: measured 50344 usecs Dec 7 01:59:56
> > lipizzan kernel: intel8x0: clocking to 46771 Dec 7 01:59:56
> > lipizzan kernel: EDAC MC0: Giving out device to k8_edac
> > Athlon64/Opteron: DEV 0000:00:18.2 Dec 7 01:59:56 lipizzan kernel:
> > ivtv0: Autodetected Hauppauge card (cx23415 based) Dec 7 01:59:56
> > lipizzan kernel: ACPI: PCI Interrupt Link [APC1] enabled at IRQ 16
> > Dec 7 01:59:56 lipizzan kernel: GSI 20 sharing vector 0x3A and IRQ
> > 20 Dec 7 01:59:56 lipizzan kernel: ACPI: PCI Interrupt
> > 0000:05:06.0[A] -> Link [APC1] -> GSI 16 (level, low) -> IRQ 58 Dec
> > 7 01:59:56 lipizzan kernel: ivtv0: Unreasonably low latency timer,
> > setting to 64 (was 32) Dec 7 01:59:56 lipizzan kernel: ACPI: PCI
> > Interrupt Link [APCF] enabled at IRQ 23 Dec 7 01:59:56 lipizzan
> > kernel: ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [APCF] -> GSI
> > 23 (level, low) -> IRQ 217 Dec 7 01:59:56 lipizzan kernel:
> > ohci_hcd 0000:00:02.0: OHCI Host Controller Dec 7 01:59:56
> > lipizzan kernel: ohci_hcd 0000:00:02.0: new USB bus registered,
> > assigned bus number 1 Dec 7 01:59:56 lipizzan kernel: ohci_hcd
> > 0000:00:02.0: irq 217, io mem 0xcb004000 Dec 7 01:59:56 lipizzan
> > kernel: usb usb1: configuration #1 chosen from 1 choice Dec 7
> > 01:59:56 lipizzan kernel: hub 1-0:1.0: USB hub found Dec 7
> > 01:59:56 lipizzan kernel: hub 1-0:1.0: 10 ports detected Dec 7
> > 01:59:56 lipizzan kernel: usb 1-1: new full speed USB device using
> > ohci_hcd and address 2 Dec 7 01:59:56 lipizzan kernel: usb 1-1:
> > configuration #1 chosen from 1 choice Dec 7 01:59:56 lipizzan
> > kernel: ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
> > Dec 7 01:59:56 lipizzan kernel: ivtv0: loaded v4l-cx2341x-dec.fw
> > firmware (262144 bytes) Dec 7 01:59:56 lipizzan kernel: usb 1-2:
> > new low speed USB device using ohci_hcd and address 3 Dec 7
> > 01:59:56 lipizzan kernel: usb 1-2: configuration #1 chosen from 1
> > choice Dec 7 01:59:56 lipizzan kernel: input: Device USB Device as
> > /class/input/input1 Dec 7 01:59:56 lipizzan kernel: input: USB HID
> > v1.00 Keyboard [Device USB Device] on usb-0000:00:02.0-2 Dec 7
> > 01:59:56 lipizzan kernel: input: Device USB Device as
> > /class/input/input2 Dec 7 01:59:56 lipizzan kernel: input: USB HID
> > v1.00 Mouse [Device USB Device] on usb-0000:00:02.0-2 Dec 7
> > 01:59:56 lipizzan kernel: tveeprom 2-0050: Hauppauge model 48132,
> > rev K268, serial# 8376633 Dec 7 01:59:56 lipizzan kernel: tveeprom
> > 2-0050: tuner model is LG TAPE H001F MK3 (idx 68, type 47) Dec 7
> > 01:59:56 lipizzan kernel: tveeprom 2-0050: TV standards NTSC(M)
> > (eeprom 0x08) Dec 7 01:59:56 lipizzan kernel: tveeprom 2-0050:
> > audio processor is MSP4448 (idx 27) Dec 7 01:59:56 lipizzan
> > kernel: tveeprom 2-0050: decoder processor is SAA7115 (idx 19) Dec
> > 7 01:59:56 lipizzan kernel: tveeprom 2-0050: has radio, has IR
> > remote Dec 7 01:59:56 lipizzan kernel: ivtv0: Autodetected
> > Hauppauge WinTV PVR-350 Dec 7 01:59:56 lipizzan kernel: tuner
> > 2-0043: chip found @ 0x86 (ivtv i2c driver #0) Dec 7 01:59:56
> > lipizzan kernel: tda9887 2-0043: tda988[5/6/7] found @ 0x43 (tuner)
> > Dec 7 01:59:56 lipizzan kernel: tuner 2-0061: chip found @ 0xc2
> > (ivtv i2c driver #0) Dec 7 01:59:56 lipizzan kernel: saa7115
> > 2-0021: saa7115 found @ 0x42 (ivtv i2c driver #0) Dec 7 01:59:56
> > lipizzan kernel: saa7127 2-0044: saa7129 found @ 0x88 (ivtv i2c
> > driver #0) Dec 7 01:59:56 lipizzan kernel: msp3400 2-0040:
> > MSP4448G-A2 found @ 0x80 (ivtv i2c driver #0) Dec 7 01:59:56
> > lipizzan kernel: msp3400 2-0040: MSP4448G-A2 supports radio, mode
> > is autodetect and autoselect Dec 7 01:59:56 lipizzan kernel:
> > ivtv0: Encoder revision: 0x02050032 Dec 7 01:59:56 lipizzan
> > kernel: ivtv0: Decoder revision: 0x02020023 Dec 7 01:59:56
> > lipizzan kernel: ivtv0: Registered device video0 for encoder MPEG
> > Dec 7 01:59:56 lipizzan kernel: ivtv0: Registered device video32
> > for encoder YUV Dec 7 01:59:56 lipizzan kernel: ivtv0: Registered
> > device vbi0 for encoder VBI Dec 7 01:59:56 lipizzan kernel: ivtv0:
> > Registered device video24 for encoder PCM audio Dec 7 01:59:56
> > lipizzan kernel: ivtv0: Registered device video16 for decoder MPEG
> > Dec 7 01:59:56 lipizzan kernel: ivtv0: Registered device vbi8 for
> > decoder VBI Dec 7 01:59:56 lipizzan kernel: ivtv0: Registered
> > device vbi16 for decoder VOUT Dec 7 01:59:56 lipizzan kernel:
> > ivtv0: Registered device video48 for decoder YUV Dec 7 01:59:56
> > lipizzan kernel: ivtv0: loaded v4l-cx2341x-init.mpg firmware
> > (155648 bytes) Dec 7 01:59:56 lipizzan kernel: tuner 2-0061: type
> > set to 47 (LG NTSC (TAPE series)) Dec 7 01:59:56 lipizzan kernel:
> > ivtv0: Initialized Hauppauge WinTV PVR-350, card #0 Dec 7 01:59:56
> > lipizzan kernel: ivtv: ====================== NEXT CARD
> > ====================== Dec 7 01:59:56 lipizzan kernel: ivtv1:
> > Autodetected Hauppauge card (cx23415 based) Dec 7 01:59:56
> > lipizzan kernel: ACPI: PCI Interrupt Link [APC2] enabled at IRQ 17
> > Dec 7 01:59:56 lipizzan kernel: GSI 21 sharing vector 0x42 and IRQ
> > 21 Dec 7 01:59:56 lipizzan kernel: ACPI: PCI Interrupt
> > 0000:05:07.0[A] -> Link [APC2] -> GSI 17 (level, low) -> IRQ 66 Dec
> > 7 01:59:56 lipizzan kernel: ivtv1: Unreasonably low latency timer,
> > setting to 64 (was 32) Dec 7 01:59:56 lipizzan kernel: ivtv1:
> > loaded v4l-cx2341x-enc.fw firmware (262144 bytes) Dec 7 01:59:56
> > lipizzan kernel: ivtv1: loaded v4l-cx2341x-dec.fw firmware (262144
> > bytes) Dec 7 01:59:56 lipizzan kernel: tuner 3-0043: chip found @
> > 0x86 (ivtv i2c driver #1) Dec 7 01:59:56 lipizzan kernel: tda9887
> > 3-0043: tda988[5/6/7] found @ 0x43 (tuner) Dec 7 01:59:56 lipizzan
> > kernel: tuner 3-0061: chip found @ 0xc2 (ivtv i2c driver #1) Dec 7
> > 01:59:56 lipizzan kernel: saa7115 3-0021: saa7115 found @ 0x42
> > (ivtv i2c driver #1) Dec 7 01:59:56 lipizzan kernel: saa7127
> > 3-0044: saa7129 found @ 0x88 (ivtv i2c driver #1) Dec 7 01:59:56
> > lipizzan kernel: msp3400 3-0040: MSP4448G-A2 found @ 0x80 (ivtv i2c
> > driver #1) Dec 7 01:59:56 lipizzan kernel: msp3400 3-0040:
> > MSP4448G-A2 supports radio, mode is autodetect and autoselect Dec
> > 7 01:59:56 lipizzan kernel: tveeprom 3-0050: Hauppauge model 48132,
> > rev K268, serial# 9904963 Dec 7 01:59:56 lipizzan kernel: tveeprom
> > 3-0050: tuner model is LG TAPE H001F MK3 (idx 68, type 47) Dec 7
> > 01:59:56 lipizzan kernel: tveeprom 3-0050: TV standards NTSC(M)
> > (eeprom 0x08) Dec 7 01:59:56 lipizzan kernel: tveeprom 3-0050:
> > audio processor is MSP4448 (idx 27) Dec 7 01:59:56 lipizzan
> > kernel: tveeprom 3-0050: decoder processor is SAA7115 (idx 19) Dec
> > 7 01:59:56 lipizzan kernel: tveeprom 3-0050: has radio, has IR
> > remote Dec 7 01:59:56 lipizzan kernel: ivtv1: Autodetected
> > Hauppauge WinTV PVR-350 Dec 7 01:59:56 lipizzan kernel: ivtv1:
> > Encoder revision: 0x02050032 Dec 7 01:59:56 lipizzan kernel:
> > ivtv1: Decoder revision: 0x02020023 Dec 7 01:59:56 lipizzan
> > kernel: ivtv1: Registered device video1 for encoder MPEG Dec 7
> > 01:59:56 lipizzan kernel: ivtv1: Registered device video33 for
> > encoder YUV Dec 7 01:59:56 lipizzan kernel: ivtv1: Registered
> > device vbi1 for encoder VBI Dec 7 01:59:56 lipizzan kernel: ivtv1:
> > Registered device video25 for encoder PCM audio Dec 7 01:59:56
> > lipizzan kernel: ivtv1: Registered device radio1 for encoder radio
> > Dec 7 01:59:56 lipizzan kernel: ivtv1: Registered device video17
> > for decoder MPEG Dec 7 01:59:56 lipizzan kernel: ivtv1: Registered
> > device vbi9 for decoder VBI Dec 7 01:59:56 lipizzan kernel: ivtv1:
> > Registered device vbi17 for decoder VOUT Dec 7 01:59:56 lipizzan
> > kernel: ivtv1: Registered device video49 for decoder YUV Dec 7
> > 01:59:56 lipizzan kernel: ivtv1: loaded v4l-cx2341x-init.mpg
> > firmware (155648 bytes) Dec 7 01:59:56 lipizzan kernel: tuner
> > 3-0061: type set to 47 (LG NTSC (TAPE series)) Dec 7 01:59:56
> > lipizzan kernel: ivtv1: Initialized Hauppauge WinTV PVR-350, card
> > #1 Dec 7 01:59:56 lipizzan kernel: ivtv: ====================
> > END INIT IVTV ====================
> >
> > _______________________________________________
> > ivtv-users mailing list
> > [email protected]
> > http://ivtvdriver.org/mailman/listinfo/ivtv-users
>
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