linux-kernel - Re: BCM4312 Fails when xdm is started

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Date:	Mon, 24 Nov 2008 10:49:38 +0200
From:	Yuval Hager <yuval@...amzon.net>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Michael Buesch <mb@...sch.de>, LKML <linux-kernel@...r.kernel.org>,
	wireless <linux-wireless@...r.kernel.org>,
	bcm43xx-dev@...ts.berlios.de
Subject: Re: BCM4312 Fails when xdm is started

On Sunday 23 November 2008, Larry Finger wrote:
> From a config file posted earlier, the OP is using SLAB. Is there any point
> in trying SLUB?

Another try, not sure what it means:

* Added CONFIG_SLUB and CONFIG_SLUB_DEBUG

* boot parameters: root=/dev/sda3 debug memory_corruption_check=1 devres.log=1 debug_objects debugpat 
acpi.debug_layer=0x00410002 acpi.debug_level=0xffffffff acpi=off apic=debug nolapic irqpoll pci=noacpi slub_debug=FZPU

* cat /proc/interrupts is
           CPU0       
  0:      16658    XT-PIC-XT        timer
  1:        289    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  3:         60    XT-PIC-XT        uhci_hcd:usb2, ehci_hcd:usb4
  5:       9163    XT-PIC-XT        sata_via, HDA Intel
  7:          0    XT-PIC-XT        uhci_hcd:usb3
  8:          2    XT-PIC-XT        rtc
 10:       1712    XT-PIC-XT        b43
 11:        131    XT-PIC-XT        uhci_hcd:usb1
 12:        706    XT-PIC-XT        i8042
 14:          0    XT-PIC-XT        ide0
 15:          0    XT-PIC-XT        ide1
NMI:          0   Non-maskable interrupts
LOC:          0   Local timer interrupts
RES:          0   Rescheduling interrupts
CAL:          0   Function call interrupts
TLB:          0   TLB shootdowns
TRM:          0   Thermal event interrupts
SPU:          0   Spurious interrupts
ERR:          0
MIS:          0

* lspci -d 14e4:4312 -x
02:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 02)
00: e4 14 12 43 06 01 10 00 02 00 80 02 08 00 00 00
10: 04 c0 ff fd 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 3c 10 71 13
30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 01 00 00

* xset dpms force standby
* wake up
* dmesg is virtually the same as before, complaining about nobody handling irq 10 and disabling it.
* /proc/interrupts now is
  0:      80987    XT-PIC-XT        timer
  1:       1027    XT-PIC-XT        i8042
  2:          0    XT-PIC-XT        cascade
  3:         60    XT-PIC-XT        uhci_hcd:usb2, ehci_hcd:usb4
  5:      10400    XT-PIC-XT        sata_via, HDA Intel
  7:          0    XT-PIC-XT        uhci_hcd:usb3
  8:          2    XT-PIC-XT        rtc
 10:     200000    XT-PIC-XT        b43
 11:        131    XT-PIC-XT        uhci_hcd:usb1
 12:       3059    XT-PIC-XT        i8042
 14:          0    XT-PIC-XT        ide0
 15:          0    XT-PIC-XT        ide1
NMI:          0   Non-maskable interrupts
LOC:          0   Local timer interrupts
RES:          0   Rescheduling interrupts
CAL:          0   Function call interrupts
TLB:          0   TLB shootdowns
TRM:          0   Thermal event interrupts
SPU:          0   Spurious interrupts
ERR:          0
MIS:          0

* Now check this out - the output of lspci -d 14e4:4312 -x
02:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev ff)
00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

(I double checked this)

huh?

--yuval

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