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SubjectIDE hang when using v4l (bttv) on all kernels.
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I've had this problem for a while now, reported it back in 2.3.x somewhere.
I havn't needed v4l so I ignored it. Playing with my bttv again and having
a lot of trouble

After some (random) amount of frame grabs, my system loses. Badly.
ethernet quits forwarding, IDE refuses to respond... All I can do is
switch VCs and watch errors scroll by.

This may be a chipset problem, although I've seen reference to others
having problems with this driver and IDE in the past.

Tested with v4l1/2 for all kernels up to 2.4.0-test12


Lockup still happens if IDE DMA is disabled.

Please Cc: me if you want any additional information, I read L-K via
the web archives.


spurious 8259A interrupt: IRQ7.
Failed to read 258048 bytes, got 0: Success
^^^^^ my v4l program.
ide_dmaproc: chipset supported ide_dma_losirq func only: 13
hda: lost interrupt
ide_dmaproc: chipset supported ide_dma_losirq func only: 13
hda: lost interrupt
<repeats forever>



harik@burned:~$ lspci
00:00.0 Host bridge: Intel Corporation 430FX - 82437FX TSC [Triton I] (rev 02)
00:07.0 ISA bridge: Intel Corporation 82371FB PIIX ISA [Triton I] (rev 02)
00:07.1 IDE interface: Intel Corporation 82371FB PIIX IDE [Triton I] (rev 02)
00:08.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2164W [Millennium II]
00:09.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 21)
00:0a.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 21)
00:0b.0 Multimedia video controller: Brooktree Corporation Bt848 (rev 12)

--Dan
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