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SubjectRe: [bug?] r8169: hangs under heavy load
booster@wolke7.net <booster@wolke7.net> :
[...]
> it looks OK now - no more "eth0: link up" messages and network hangs any
> more.
> I've send and received 60 GB to and from the system and the performance
> is ~30 MB/s.
> I'll keep the system up and running and do some more stability tests.

Wonderful. Thanks for testing.

> The only thing that's missing now is the transfer LED: the yellow link
> LED is on, but the green transfer LED is off and doesn't blink.

I have never looked too closely at it. You may experiment with the LEDS0 and
LEDS1 bits of Config1 (no warranty). Your chipset would require it in
__rtl_hw_start_8168cp - if at all.

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6f06aa1..d6243a9 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4602,7 +4620,7 @@ static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)

static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
{
- RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
+ RTL_W8(Config1, RTL_R8(Config1) | Speed_down | LEDS1);

RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

--
Ueimor


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