On Mon, Aug 06, 2007 at 01:43:48PM -0400, Chuck Ebbert wrote: > On 08/06/2007 03:03 AM, Ingo Molnar wrote: > > > > But, since level types don't need this retriggers too much I think > > this "don't mask interrupts by default" idea should be rethinked: > > is there enough gain to risk such hard to diagnose errors? > > > > > > I reverted those masking changes in Fedora and the baffling problem > with 3Com 3C905 network adapters went away. > > Before, they would print: > > eth0: transmit timed out, tx_status 00 status e601. > diagnostics: net 0ccc media 8880 dma 0000003a fifo 0000 > eth0: Interrupt posted but not delivered -- IRQ blocked by another device? > Flags; bus-master 1, dirty 295757(13) current 295757(13) > Transmit list 00000000 vs. f7150a20. > 0: @f7150200 length 80000070 status 0c010070 > 1: @f71502a0 length 80000070 status 0c010070 > 2: @f7150340 length 8000005c status 0c01005c > > Now they just work, apparently... > > So why not just revert the change? > Ingo has written about such possibility. But, it would be good to know which precisely place is to blame, as well. Since this diagnosing takes time, I think Chuck is right, and maybe at least this temporary patch for resend.c without this warning, should be recomended for stables (2.6.21 and 2.6.22)? Jarek P. - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
