Andy Walls <[email protected]> writes:
> On Wed, 2009-07-15 at 19:23 -0400, Michael Cook wrote:
>> I recently moved my pvr-150 from one computer to another, and after
>> having done that I found that mythtv would fail recording
>> occasionally, about once a day or so I would have to reboot. The
>> error messages that appeared in /var/log were like this:
>>
>> ivtv0: All encoder MPG stream buffers are full. Dropping data.
>> ivtv0: Cause: the application is not reading fast enough.
>>
>> and
>>
>> MPEGRec(/dev/video0) Error: select timeout - ivtv driver has stopped
>> responding
>>
>> After googling those error messages for a while, it occurred to me
>> to try moving my pvr-150 card from one pci slot to another. After I
>> did that, the failures seem to have stopped (after four days, no
>> failures).
>>
>> Is this information interesting?
>
> Sort of. It would be more interesting with the output of
>
> $ cat /proc/interrupts
> $ /sbin/lspci -vvv
>
> So we can see what other Linux driver may be affecting the ivtv driver's
> interrupt service.
$ cat /proc/interrupts
CPU0
0: 178 IO-APIC-edge timer
1: 71 IO-APIC-edge i8042
4: 38492 IO-APIC-edge serial
6: 5 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 0 IO-APIC-edge rtc0
9: 0 IO-APIC-fasteoi acpi
12: 150 IO-APIC-edge i8042
14: 1047210 IO-APIC-edge ata_piix
15: 1924421 IO-APIC-edge ata_piix
16: 4 IO-APIC-fasteoi uhci_hcd:usb2
17: 10205890 IO-APIC-fasteoi ivtv0, Intel 82801DB-ICH4
18: 5673605 IO-APIC-fasteoi uhci_hcd:usb4, eth0
19: 0 IO-APIC-fasteoi uhci_hcd:usb3
23: 21274273 IO-APIC-fasteoi ehci_hcd:usb1
NMI: 0 Non-maskable interrupts
LOC: 50668949 Local timer interrupts
RES: 0 Rescheduling interrupts
CAL: 0 Function call interrupts
TLB: 0 TLB shootdowns
SPU: 0 Spurious interrupts
ERR: 0
MIS: 0
$ /sbin/lspci -vvv
bash: /sbin/lspci: No such file or directory
$ type -all lspci
lspci is /usr/bin/lspci
lspci is /usr/X11R6/bin/lspci
$ lspci -vvv
00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM
Controller/Host-Hub Interface (rev 01)
Subsystem: Dell Device 0126
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort+ >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
Capabilities: <access denied>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE
Chipset Integrated Graphics Device (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at ff680000 (32-bit, non-prefetchable) [size=512K]
Capabilities: <access denied>
Kernel modules: intelfb
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #1 (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 4: I/O ports at ff80 [size=32]
Kernel driver in use: uhci_hcd
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #2 (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 19
Region 4: I/O ports at ff60 [size=32]
Kernel driver in use: uhci_hcd
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #3 (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin C routed to IRQ 18
Region 4: I/O ports at ff40 [size=32]
Kernel driver in use: uhci_hcd
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI
Controller (rev 01) (prog-if 20)
Subsystem: Dell Device 0126
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin D routed to IRQ 23
Region 0: Memory at ffa00800 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 81)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR+ INTx-
Latency: 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: ff800000-ff9fffff
Prefetchable memory behind bridge: f8000000-fbffffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Kernel modules: shpchp
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface
Bridge (rev 01)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Kernel modules: iTCO_wdt, intel-rng
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 01)
(prog-if 8a [Master SecP PriP])
Subsystem: Dell Device 0126
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at ffa0 [size=16]
Region 5: Memory at 40000000 (32-bit, non-prefetchable) [size=1K]
Kernel driver in use: ata_piix
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus
Controller (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin B routed to IRQ 11
Region 4: I/O ports at dc80 [size=32]
Kernel modules: i2c-i801
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
Subsystem: Dell Device 0126
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 17
Region 0: I/O ports at d800 [size=256]
Region 1: I/O ports at dc40 [size=64]
Region 2: Memory at ffa00400 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at ffa00000 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: Intel ICH
Kernel modules: snd-intel8x0
01:08.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416)
MPEG-2 Encoder (rev 01)
Subsystem: Hauppauge computer works Inc. Device 8003
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (32000ns min, 2000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 17
Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
Capabilities: <access denied>
Kernel driver in use: ivtv
Kernel modules: ivtv
01:0c.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet
Controller (rev 02)
Subsystem: Dell Device 002e
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (63750ns min), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at ff8e0000 (32-bit, non-prefetchable) [size=128K]
Region 2: I/O ports at ecc0 [size=64]
Capabilities: <access denied>
Kernel driver in use: e1000
Kernel modules: e1000
$
Michael
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