linux-kernel - Re: linux-2.6.19-rc2 tg3 problem

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Date:	Fri, 27 Oct 2006 21:49:54 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Adrian Bunk" <bunk@...sta.de>
Cc:	linux-kernel@...r.kernel.org, "David Miller" <davem@...emloft.net>
Subject: Re: linux-2.6.19-rc2 tg3 problem

On 10/26/06, Adrian Bunk <bunk@...sta.de> wrote:

> That wasn't clear from your bug report.

Sorry. Didn't want to bombard with too much unnecessary info.

> You said 2.6.18-rc2 -> 2.6.19-rc2 broke.
> Can you identify between which -rc kernels it broke?

Ok, I managed to trace down to ..

      2.6.18 ok
      2.6.19-rc1 bad

> Please send complete "dmesg -s 1000000" for the time after tg3 loads for
> both the last working and the first non-working -rc kernel.

2.6.18 (good) ...

tg3.c:v3.65 (August 07, 2006)
ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:02:00.0 to 64
eth0: Tigon3 [partno(BCM5751PKFBG) rev 4001 PHY(5750)] (PCI Express)
10/100/1000BaseT Ethernet 00:13:72:7b:2a:f0
eth0: RXcsums[1] LinkChgREG[1] MIirq[1] ASF[0] Split[0] WireSpeed[1] TSOcap[1]
eth0: dma_rwctrl[76180000] dma_mask[64-bit]
ip_tables: (C) 2000-2006 Netfilter Core Team
ip_conntrack version 2.4 (8192 buckets, 65536 max) - 224 bytes per conntrack
tg3: eth0: Link is up at 100 Mbps, full duplex.
tg3: eth0: Flow control is on for TX and on for RX.

2.6.19 (bad) ...

tg3.c:v3.66 (September 23, 2006)
ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 16
tg3: Cannot find proper PCI device base address, aborting.
ACPI: PCI interrupt for device 0000:02:00.0 disabled
ip_tables: (C) 2000-2006 Netfilter Core Team
ip_conntrack version 2.4 (8192 buckets, 65536 max) - 228 bytes per conntrack

gcc version 3.4.5
Dell Optiplex DualCore GX620.
Intel(R) Pentium(R) D CPU 3.00GHz stepping 07

Diff of the two config ...

  .config (2.6.18) ...
< CONFIG_TCP_CONG_BIC=y

 .config (2.6.19-rc1) ...
> CONFIG_HT_IRQ=y
> CONFIG_INET_XFRM_MODE_BEET=y
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"

Thanks,
Jeff.
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