Re: 8139too in 2.6.x tx timeout

OGAWA Hirofumi
2004-07-04T13:26:48Z

bert hubert <ahu@ds9a.nl> writes:

> On Sun, Jul 04, 2004 at 08:07:40PM +0900, OGAWA Hirofumi wrote:
>
> > NETDEV WATCHDOG: eth0: transmit timed out
> > eth0: Transmit timeout, status 0d 0000 c07f media 08.
> > eth0: Tx queue start entry 25 dirty entry 21.
> > eth0: Tx descriptor 0 is 10080062.
> > eth0: Tx descriptor 1 is 00080062. (queue head)
> > eth0: Tx descriptor 2 is 00080062.
> > eth0: Tx descriptor 3 is 00080062.
> > eth0: link up, 10Mbps, half-duplex, lpa 0x0000
> > rtl8139_hw_start: init buffer addresses
>
> I've solved this exact problem in the bios by changing interrupts from level
> to edge, or the other way around, unsure.
>
> Earlier 2.6 did not have problems with that bios setting.

Yes. 8139too.c with NAPI requires the level triggered interrrut. (PCI
spec also requires it)

However, this registers doesn't indicate the lost interrupt problem.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>