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Date:	Wed, 06 Feb 2008 10:10:24 +0300
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Yinghai Lu <Yinghai.Lu@....COM>
CC:	"Kok, Auke" <auke-jan.h.kok@...el.com>, jesse.brandeburg@...el.com,
	jeffrey.t.kirsher@...el.com, john.ronciak@...el.com,
	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net, Denis Lunev <den@...nvz.org>,
	Justin Piszcz <jpiszcz@...idpixels.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [e1000][net-2.6 tree] Regression: driver doesn't detect card
 on my node.

[snip]

>>> What other info from me is required?
> 
> boot log please. with the patch and reverting the patch.

Here they are (attached).
BTW, I found, that the sky2 adapter is broken by this patch as well.
To simplify the analysis, here's their diff:

--- bad-log	2008-02-06 10:06:40.000000000 +0300
+++ good-log	2008-02-06 10:06:40.000000000 +0300
@@ -1,4 +1,4 @@
-Linux version 2.6.24 (pavel@...ulnb) (gcc version 4.1.3 20070724 (prerelease) (SUSE Linux)) #22 SMP Tue Feb 5 20:09:11 MSK 2008
+Linux version 2.6.24 (pavel@...ulnb) (gcc version 4.1.3 20070724 (prerelease) (SUSE Linux)) #23 SMP Wed Feb 6 10:03:53 MSK 2008
 BIOS-provided physical RAM map:
  BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
  BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
@@ -19,29 +19,6 @@ Scan SMP from c0000000 for 1024 bytes.
 Scan SMP from c009fc00 for 1024 bytes.
 Scan SMP from c00f0000 for 65536 bytes.
 found SMP MP-table at [c00ff780] 000ff780
-***************
-**** WARNING: likely BIOS bug
-**** MTRRs don't cover all of memory, trimmed 786432 pages
-***************
-update e820 for mtrr
-modified physical RAM map:
- modified: 0000000000000000 - 000000000009f800 (usable)
- modified: 000000000009f800 - 00000000000a0000 (reserved)
- modified: 00000000000e0000 - 0000000000100000 (reserved)
- modified: 0000000000100000 - 0000000040000000 (usable)
- modified: 0000000040000000 - 00000000bfff0000 (reserved)
- modified: 00000000bfff0000 - 00000000bffff000 (ACPI data)
- modified: 00000000bffff000 - 00000000c0000000 (ACPI NVS)
- modified: 00000000c0000000 - 0000000100000000 (reserved)
- modified: 0000000100000000 - 0000000140000000 (usable)
-Warning only 4GB will be used.
-Use a HIGHMEM64G enabled kernel.
-3200MB HIGHMEM available.
-896MB LOWMEM available.
-Scan SMP from c0000000 for 1024 bytes.
-Scan SMP from c009fc00 for 1024 bytes.
-Scan SMP from c00f0000 for 65536 bytes.
-found SMP MP-table at [c00ff780] 000ff780
 Entering add_active_range(0, 0, 1048576) 0 entries of 256 used
 Zone PFN ranges:
   DMA             0 ->     4096
@@ -69,7 +46,7 @@ I/O APIC #7 Version 32 at 0xFEC00000.
 I/O APIC #8 Version 32 at 0xFEC10000.
 Enabling APIC mode:  Flat.  Using 2 I/O APICs
 Processors: 2
-Allocating PCI resources starting at 10100000 (gap: 10000000:00400000)
+Allocating PCI resources starting at c4000000 (gap: c0000000:3ec00000)
 Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 1040384
 Kernel command line: ro root=08:02 ignore_loglevel
 debug: ignoring loglevel setting.
@@ -80,22 +57,22 @@ Enabling fast FPU save and restore... do
 Enabling unmasked SIMD FPU exception support... done.
 Initializing CPU#0
 PID hash table entries: 4096 (order: 12, 16384 bytes)
-Detected 3192.350 MHz processor.
+Detected 3192.343 MHz processor.
 Console: colour VGA+ 80x25
 console [tty0] enabled
 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
 Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
-Memory: 1011264k/4194304k available (1357k kernel code, 36260k reserved, 594k data, 168k init, 131072k highmem)
+Memory: 3108104k/4194304k available (1357k kernel code, 36260k reserved, 594k data, 168k init, 2228024k highmem)
 virtual kernel memory layout:
     fixmap  : 0xfffa0000 - 0xfffff000   ( 380 kB)
     pkmap   : 0xff800000 - 0xffc00000   (4096 kB)
     vmalloc : 0xf8800000 - 0xff7fe000   ( 111 MB)
     lowmem  : 0xc0000000 - 0xf8000000   ( 896 MB)
       .init : 0xc05f0000 - 0xc061a000   ( 168 kB)
-      .data : 0xc055375e - 0xc05e8088   ( 594 kB)
-      .text : 0xc0400000 - 0xc055375e   (1357 kB)
+      .data : 0xc0553754 - 0xc05e8088   ( 594 kB)
+      .text : 0xc0400000 - 0xc0553754   (1357 kB)
 Checking if this processor honours the WP bit even in supervisor mode... Ok.
-Calibrating delay using timer specific routine.. 6387.02 BogoMIPS (lpj=3193513)
+Calibrating delay using timer specific routine.. 6387.05 BogoMIPS (lpj=3193528)
 Mount-cache hash table entries: 512
 CPU: Trace cache: 12K uops, L1 D cache: 16K
 CPU: L2 cache: 1024K
@@ -119,7 +96,7 @@ Intel machine check reporting enabled on
 CPU1: Intel P4/Xeon Extended MCE MSRs (24) available
 CPU1: Thermal monitoring enabled
 CPU1: Intel(R) Xeon(TM) CPU 3.20GHz stepping 01
-Total of 2 processors activated (12770.19 BogoMIPS).
+Total of 2 processors activated (12770.22 BogoMIPS).
 ExtINT not setup in hardware but reported by MP table
 ENABLING IO-APIC IRQs
 ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=0 pin2=0
@@ -153,41 +130,22 @@ PCI->APIC IRQ transform: 0000:00:1f.3[B]
 PCI->APIC IRQ transform: 0000:02:00.0[A] -> IRQ 16
 PCI->APIC IRQ transform: 0000:04:02.0[A] -> IRQ 17
 PCI->APIC IRQ transform: 0000:04:03.0[A] -> IRQ 16
-PCI: Cannot allocate resource region 8 of bridge 0000:00:03.0
-PCI: Cannot allocate resource region 8 of bridge 0000:00:1e.0
-PCI: Cannot allocate resource region 0 of device 0000:00:1d.4
-PCI: Cannot allocate resource region 0 of device 0000:00:1d.7
-PCI: Cannot allocate resource region 0 of device 0000:02:00.0
-PCI: Cannot allocate resource region 0 of device 0000:04:02.0
-PCI: Cannot allocate resource region 2 of device 0000:04:02.0
-PCI: Cannot allocate resource region 0 of device 0000:04:03.0
-PCI: Failed to allocate mem resource #8:100000@...00000 for 0000:00:03.0
-PCI: Failed to allocate mem resource #9:100000@...00000 for 0000:00:03.0
-PCI: Failed to allocate mem resource #0:400@...00000 for 0000:00:1d.7
-PCI: Failed to allocate mem resource #5:400@...00000 for 0000:00:1f.1
-PCI: Failed to allocate mem resource #0:10@...00000 for 0000:00:1d.4
 PCI: Bridge: 0000:00:02.0
-Time: tsc clocksource has been installed.
   IO window: disabled.
   MEM window: disabled.
   PREFETCH window: disabled.
-PCI: Failed to allocate mem resource #6:20000@0 for 0000:02:00.0
-PCI: Failed to allocate mem resource #0:4000@0 for 0000:02:00.0
 PCI: Bridge: 0000:00:03.0
   IO window: d000-dfff
-  MEM window: disabled.
+Time: tsc clocksource has been installed.
+  MEM window: dee00000-deefffff
   PREFETCH window: disabled.
 PCI: Bridge: 0000:00:1c.0
   IO window: disabled.
   MEM window: disabled.
   PREFETCH window: disabled.
-PCI: Failed to allocate mem resource #0:1000000@...00000 for 0000:04:02.0
-PCI: Failed to allocate mem resource #6:20000@...00000 for 0000:04:02.0
-PCI: Failed to allocate mem resource #0:20000@...00000 for 0000:04:03.0
-PCI: Failed to allocate mem resource #2:1000@...00000 for 0000:04:02.0
 PCI: Bridge: 0000:00:1e.0
   IO window: e000-efff
-  MEM window: disabled.
+  MEM window: def00000-dfffffff
   PREFETCH window: disabled.
 PCI: Setting latency timer of device 0000:00:02.0 to 64
 PCI: Setting latency timer of device 0000:00:03.0 to 64
@@ -254,10 +212,11 @@ Freeing unused kernel memory: 168k freed
 warning: process `kmodule' used the deprecated sysctl system call with 1.23.
 Intel(R) PRO/1000 Network Driver - version 7.3.20-k2-NAPI
 Copyright (c) 1999-2006 Intel Corporation.
-e1000: probe of 0000:04:03.0 failed with error -5
+e1000: 0000:04:03.0: e1000_probe: (PCI:33MHz:32-bit) 00:0e:0c:3b:d8:8b
+e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
 PCI: Setting latency timer of device 0000:02:00.0 to 64
-sky2 0000:02:00.0: unsupported chip type 0xe0
-sky2: probe of 0000:02:00.0 failed with error -95
+sky2 0000:02:00.0: v1.21 addr 0xdeefc000 irq 16 Yukon-EC (0xb6) rev 2
+sky2 eth1: addr 00:0e:0c:3b:d8:8a
 intel_rng: FWH not detected
 EXT3 FS on sda2, internal journal
 kjournald starting.  Commit interval 5 seconds
@@ -266,3 +225,4 @@ EXT3-fs: mounted filesystem with ordered
 warning: process `kudzu' used the deprecated sysctl system call with 1.23.
 warning: process `kudzu' used the deprecated sysctl system call with 1.49.
 warning: process `kudzu' used the deprecated sysctl system call with 1.49.
+e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX

> Thanks
> 
> YH
> 


View attachment "bad-log" of type "text/plain" (12269 bytes)

View attachment "good-log" of type "text/plain" (10232 bytes)

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