regression: forcedeth.c hang

[Ingo Molnar]

* Adrian Bunk <bunk@xxxxxxxxx> wrote:

> This email lists some known regressions in 2.6.21-rc1 compared to 
> 2.6.20 that are not yet fixed in Linus' tree.

just found a new one: forcedeth.c broke since v2.6.20. It generates a 
few irqs after ifup and then stops dead (no in/out packets). Undoing all 
of these commits fixes the problem:

 commit 21828163b2b31e0675cb3e66a2a4a231dec06236
 commit 57fff6986b6daae13947c565786757c05303f0f6
 commit 4e16ed1b0e17a3832310031e2ddaeb0914eb837d
 commit f0734ab658390380079369f7090dcf7aa226f394
 commit b01867cbd1853995946c8c838eff93a0885d8bc6
 commit 445583b89d71b48cf8c64e26acc5a710248feed7
 commit aaa37d2d099f97ced415546e285ac901e47a2437
 commit 86b22b0dfbf462e6ed75e54fc83575dae01e3c69
 commit 0d63fb32b2b8c3464d9c1afc3ce3fd3ceec025b6
 commit 164a86e40e6c74ec5a91c364ccf7b1a2295b0a52
 commit 761fcd9e3e0aa2a02231d1631f31409be5e890d2
 commit d2f7841277d8613a780ab28d04d8f31a31816153
 commit 1d39ed565cfcc7c4fe586de621aef495c4f94ffb

that's 75K of delta - i'll bisect it some more. Hardware in question:

 00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)

config options:

 CONFIG_FORCEDETH=y
 CONFIG_FORCEDETH_NAPI=y

	Ingo
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