[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: kern/38758: LOCKDEBUG kernel hangs in esp(4) driver
> sun3 uses real DMA, doesn't it? Different code paths, probably. The
> mac68k MD code doesn't use simple_lock() anywhere, though.
I think the problem is esp interrupts are implicitly enabled
by spl2() in esp_quick_dma_go().
I have no idea if there is a safe way to enable serial
interrupts without enabling esp interrupts.
Main Index |
Thread Index |