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Local APIC disabled by BIOS -- reenabling.
Found and enabled local APIC!
And now /proc/cpuinfo and cpuid both show APIC support.
Removed/replaced power, triggered lid-switch/battery-status/etc with no
issues. (The only thing that caused trouble was Fn-F10, the "eject cd"
button. Never tried it under Linux before, and the cd isn't in it at
the moment anyway, so I'm betting thats unrelated. But it did cause a
lockup that even sysrq couldn't recover.)
Not 100% clear on what the APIC does, but I'm not sure its doing it ;)
PCI: Using ACPI for IRQ routing <-- shouldn't this be missing if the
APIC is in use?
(Full dmesg attached, for those who are curious - the unknown-scancode
is for the various laptop buttons - bright/dim, vol, media, battery,
etc. Except for the volume buttons the only ones that work are the ones
that directly hit the hardware, ala bright/dim.)
Also, for others with an I8500 who might read the dmesg log, don't get
excited; thats not the wireless card they sell (Broadcom 802.11g) its
the older one (Orinoco 802.11b). They'll sell you one for about $70,
goes right in in place of the unsupported one.
>From single-user:
# cat /proc/interrupts
CPU0
0: 8716 XT-PIC timer
1: 572 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 4 XT-PIC rtc
9: 0 XT-PIC acpi
11: 20 XT-PIC usb-uhci, usb-uhci, usb-uhci, ehci-hcd,
eth0
14: 2610 XT-PIC ide0
NMI: 0
LOC: 8649
ERR: 0
MIS: 0
After booting, building/installing alsa-modules, getting into X, etc etc
etc..
CPU0
0: 121238 XT-PIC timer
1: 6472 XT-PIC keyboard
2: 0 XT-PIC cascade
8: 4 XT-PIC rtc
9: 9 XT-PIC acpi
11: 125522 XT-PIC usb-uhci, usb-uhci, usb-uhci, ehci-hcd,
eth0, PCI device 104c:ac44 (Texas Instruments), Texas Instruments
PCI1410 PC card Cardbus Controller, orinoco_cs, Intel 82801DB-ICH4
12: 20693 XT-PIC PS/2 Mouse
14: 28381 XT-PIC ide0
NMI: 0
LOC: 121201
ERR: 0
MIS: 0
On Mon, 2003-05-26 at 05:21, mikpe@csd.uu.se wrote:
> On 26 May 2003 01:31:41 -0400, Disconnect <lkml@sigkill.net> wrote:
> >> OK, I put together a kernel that had the Latitude blacklist commented out,
> >> and it comes up with:
> >>
> >> No local APIC present or hardware disabled
> >> Initializing CPU#0
> >>
> >> So add the Latitude C840 to the "known b0rken" list.
> >
> >Ditto the Inspiron 8500 - no apic at all (which is different from
> >known-broken, since nothing bad happened.)
> ...
> >Perhaps just a comment above those entries:
> >/* Latitude C840 and Inspiron 8500 have no APIC support in hardware */
>
> If these machines are P4-based, then I bet they do have local APICs.
> However, if the BIOS boots the kernel with the local APIC disabled
> on a P4, we (apic.c) don't try to enable it. The logic behind that
> is that "modern" BIOSen _should_ boot with it enabled, unless they're
> horribly broken.
>
> So apply the patch below and try the "can we get the machine to hang"
> checklist again.
>
> /Mikael
>
> --- linux-2.5.69/arch/i386/kernel/apic.c.~1~ 2003-04-20 13:08:15.000000000 +0200
> +++ linux-2.5.69/arch/i386/kernel/apic.c 2003-05-26 11:11:19.000000000 +0200
> @@ -617,7 +617,7 @@
> goto no_apic;
> case X86_VENDOR_INTEL:
> if (boot_cpu_data.x86 == 6 ||
> - (boot_cpu_data.x86 == 15 && cpu_has_apic) ||
> + (boot_cpu_data.x86 == 15) ||
> (boot_cpu_data.x86 == 5 && cpu_has_apic))
> break;
> goto no_apic;
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Linux version 2.4.21-rc3-dis2-apic (dis@slappy) (gcc version 3.2.3) #4 Mon May 26 11:54:32 EDT 2003 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f000 (usable) BIOS-e820: 000000000009f000 - 00000000000a0000 (reserved) BIOS-e820: 0000000000100000 - 000000001ffb0800 (usable) BIOS-e820: 000000001ffb0800 - 0000000020000000 (reserved) BIOS-e820: 00000000feda0000 - 00000000fee00000 (reserved) BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) 511MB LOWMEM available. ACPI: have wakeup address 0xc0001000 On node 0 totalpages: 130992 zone(0): 4096 pages. zone(1): 126896 pages. zone(2): 0 pages. ACPI: RSDP (v000 DELL ) @ 0x000fdf00 ACPI: RSDT (v001 DELL CPi R 10195.01053) @ 0x1fff0000 ACPI: FADT (v001 DELL CPi R 10195.01053) @ 0x1fff0400 ACPI: DSDT (v001 INT430 SYSFexxx 00000.04097) @ 0x00000000 ACPI: BIOS passes blacklist ACPI: MADT not present Kernel command line: root=/dev/hda4 ro resume=/dev/hda3 speedstep_default=2 single cpufreq: Default forced: performanceLocal APIC disabled by BIOS -- reenabling. Found and enabled local APIC! Initializing CPU#0 Detected 1994.170 MHz processor. Console: colour VGA+ 80x25 Calibrating delay loop... 3971.48 BogoMIPS Memory: 515768k/523968k available (1300k kernel code, 7812k reserved, 477k data, 96k init, 0k highmem) Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) Inode cache hash table entries: 32768 (order: 6, 262144 bytes) Mount cache hash table entries: 512 (order: 0, 4096 bytes) Buffer-cache hash table entries: 32768 (order: 5, 131072 bytes) Page-cache hash table entries: 131072 (order: 7, 524288 bytes) CPU: Trace cache: 12K uops, L1 D cache: 8K CPU: L2 cache: 512K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: bfebfbff 00000000 00000000 00000000 CPU: Common caps: bfebfbff 00000000 00000000 00000000 CPU: Intel Mobile Intel(R) Pentium(R) 4 - M CPU 2.00GHz stepping 07 Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX enabled ExtINT on CPU#0 ESR value before enabling vector: 00000000 ESR value after enabling vector: 00000000 Using local APIC timer interrupts. calibrating APIC timer ... ..... CPU clock speed is 1994.1762 MHz. ..... host bus clock speed is 99.7086 MHz. cpu: 0, clocks: 997086, slice: 498543 CPU0<T0:997072,T1:498528,D:1,S:498543,C:997086> mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au) mtrr: detected mtrr type: Intel ACPI: Subsystem revision 20030509 PCI: PCI BIOS revision 2.10 entry at 0xfc97e, last bus=2 PCI: Using configuration type 1 ACPI-0292: *** Info: Table [DSDT] replaced by host OS ACPI: Interpreter enabled ACPI: Using PIC for interrupt routing ACPI: System [ACPI] (supports S0 S1 S3 (bios) S4 S5) ACPI: PCI Root Bridge [PCI0] (00:00) PCI: Probing PCI hardware (bus 00) PCI: Ignoring BAR0-3 of IDE controller 00:1f.1 Transparent bridge - Intel Corp. 82801BAM/CAM PCI Bridge ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ACPI: PCI Interrupt Link [LNKA] (IRQs 9 10 *11) ACPI: PCI Interrupt Link [LNKB] (IRQs 5 7, enabled at IRQ 11) ACPI: PCI Interrupt Link [LNKC] (IRQs 9 10 *11) ACPI: PCI Interrupt Link [LNKD] (IRQs 5 7 9 10 *11) ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15, disabled) ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 10 *11 12 14 15) ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGP_._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIE._PRT] PCI: Probing PCI hardware ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 10 PCI: Using ACPI for IRQ routing PCI: if you experience problems, try using option 'pci=noacpi' or even 'acpi=off' Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket cpufreq: P4/Xeon(TM) CPU On-Demand Clock Modulation available Starting kswapd Journalled Block Device driver loaded ACPI: AC Adapter [AC] (on-line) ACPI: Battery Slot [BAT0] (battery present) ACPI: Battery Slot [BAT1] (battery absent) ACPI: Lid Switch [LID] ACPI: Power Button (CM) [PBTN] ACPI: Sleep Button (CM) [SBTN] ACPI: Processor [CPU0] (supports C1 C2 C3, 6 performance states, 8 throttling states) ACPI: Thermal Zone [THM] (52 C) pty: 256 Unix98 ptys configured Real Time Clock Driver v1.10e pktcdvd: v0.0.2p 03/03/2002 Jens Axboe (axboe@suse.de) Linux agpgart interface v0.99 (c) Jeff Hartmann agpgart: Maximum main memory to use for agp memory: 439M agpgart: Detected Intel i845 chipset agpgart: AGP aperture is 64M @ 0xf0000000 Uniform Multi-Platform E-IDE driver Revision: 7.00beta3-.2.4 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ICH4: IDE controller at PCI slot 00:1f.1 PCI: Enabling device 00:1f.1 (0005 -> 0007) ICH4: chipset revision 3 ICH4: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xbfa0-0xbfa7, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xbfa8-0xbfaf, BIOS settings: hdc:pio, hdd:pio hda: HITACHI_DK23EA-30, ATA DISK drive blk: queue c030e5a0, I/O limit 4095Mb (mask 0xffffffff) ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 hda: attached ide-disk driver. hda: host protected area => 1 hda: 58605120 sectors (30006 MB) w/2048KiB Cache, CHS=3648/255/63, UDMA(100) Partition check: hda: hda1 hda2 hda3 hda4 NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 4096 buckets, 32Kbytes TCP: Hash tables configured (established 32768 bind 65536) ip_conntrack version 2.1 (4093 buckets, 32744 max) - 292 bytes per conntrack ip_tables: (C) 2000-2002 Netfilter core team NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. Resume Machine: This is normal swap space Swsusp beta 19: kswsuspd starting EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will be enabled during recovery. kjournald starting. Commit interval 5 seconds EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. VFS: Mounted root (ext3 filesystem) readonly. Freeing unused kernel memory: 96k freed Adding Swap: 996020k swap-space (priority -1) EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,4), internal journal Broadcom 4401 Ethernet Driver bcm4400 ver. 2.0.0 (03/25/03) eth0: Broadcom BCM4401 100Base-T found at mem faffe000, IRQ 11, node addr 000bdb1b893c usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-uhci.c: $Revision: 1.275 $ time 14:00:36 May 25 2003 usb-uhci.c: High bandwidth mode enabled PCI: Setting latency timer of device 00:1d.0 to 64 usb-uhci.c: USB UHCI at I/O 0xbf80, IRQ 11 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 1 hub.c: USB hub found hub.c: 2 ports detected PCI: Setting latency timer of device 00:1d.1 to 64 usb-uhci.c: USB UHCI at I/O 0xbf40, IRQ 11 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 2 hub.c: USB hub found hub.c: 2 ports detected PCI: Setting latency timer of device 00:1d.2 to 64 usb-uhci.c: USB UHCI at I/O 0xbf20, IRQ 11 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 3 hub.c: USB hub found hub.c: 2 ports detected usb-uhci.c: v1.275:USB Universal Host Controller Interface driver usb.c: registered new driver usbkbd usbkbd.c: :USB HID Boot Protocol keyboard driver i8k: unable to get SMM Dell signature i8k: unable to get SMM BIOS version Dell laptop SMM driver v1.13 14/05/2002 Massimo Dal Zotto (dz@debian.org) usb.c: registered new driver usbnet SCSI subsystem driver Revision: 1.00 scsi0 : SCSI host adapter emulation for IDE ATAPI devices hub.c: new USB device 00:1d.2-1, assigned address 2 usb.c: USB device 2 (vend/prod 0x54c/0x2c) is not claimed by any active driver. PCI: Setting latency timer of device 00:1d.7 to 64 ehci-hcd 00:1d.7: Intel Corp. 82801DB USB EHCI Controller ehci-hcd 00:1d.7: irq 11, pci mem e0917c00 usb.c: new USB bus registered, assigned bus number 4 ehci-hcd 00:1d.7: enabled 64bit PCI DMA PCI: 00:1d.7 PCI cache line size set incorrectly (0 bytes) by BIOS/FW. PCI: 00:1d.7 PCI cache line size corrected to 128. ehci-hcd 00:1d.7: USB 2.0 enabled, EHCI 1.00, driver 2003-Jan-22 usb.c: USB disconnect on device 00:1d.2-1 address 2 hub.c: USB hub found hub.c: 6 ports detected hub.c: new USB device 00:1d.2-1, assigned address 3 usb.c: USB device 3 (vend/prod 0x54c/0x2c) is not claimed by any active driver. bcm4400: eth0 NIC Link is Down keyboard: unknown scancode e0 07 keyboard: unknown scancode e0 07 Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled ttyS00 at 0x03f8 (irq = 4) is a 16550A ttyS01 at 0x02f8 (irq = 3) is a 16550A Initializing USB Mass Storage driver... usb.c: registered new driver usb-storage scsi1 : SCSI emulation for USB Mass Storage devices Vendor: SONY Model: USB-FDU Rev: 5.01 Type: Direct-Access ANSI SCSI revision: 02 WARNING: USB Mass Storage data integrity not assured USB Mass Storage device found at 3 USB Mass Storage support registered. Linux Kernel Card Services 3.1.22 options: [pci] [cardbus] [pm] PCI: Enabling device 02:01.0 (0000 -> 0002) Yenta IRQ list 00f8, PCI irq11 Socket status: 30000086 Yenta IRQ list 0000, PCI irq11 Socket status: 30000010 cs: memory probe 0x0c0000-0x0fffff: excluding 0xc0000-0xcffff 0xe0000-0xfffff hermes.c: 4 Dec 2002 David Gibson <hermes@gibson.dropbear.id.au> orinoco.c 0.13b (David Gibson <hermes@gibson.dropbear.id.au> and others) orinoco_cs.c 0.13b (David Gibson <hermes@gibson.dropbear.id.au> and others) eth1: Station identity 001f:0001:0008:000a eth1: Looks like a Lucent/Agere firmware version 8.10 eth1: Ad-hoc demo mode supported eth1: IEEE standard IBSS ad-hoc mode supported eth1: WEP supported, 104-bit key eth1: MAC address 00:02:2D:7C:3C:3F eth1: Station name "HERMES I" eth1: ready eth1: index 0x01: Vcc 3.3, irq 11, io 0x0100-0x013f keyboard: unknown scancode e0 08 hermes.c: 4 Dec 2002 David Gibson <hermes@gibson.dropbear.id.au> orinoco.c 0.13b (David Gibson <hermes@gibson.dropbear.id.au> and others) orinoco_cs.c 0.13b (David Gibson <hermes@gibson.dropbear.id.au> and others) eth1: Station identity 001f:0001:0008:000a eth1: Looks like a Lucent/Agere firmware version 8.10 eth1: Ad-hoc demo mode supported eth1: IEEE standard IBSS ad-hoc mode supported eth1: WEP supported, 104-bit key eth1: MAC address 00:02:2D:7C:3C:3F eth1: Station name "HERMES I" eth1: ready eth1: index 0x01: Vcc 3.3, irq 11, io 0x0100-0x013f eth1: New link status: Connected (0001) PCI: Setting latency timer of device 00:1f.5 to 64 intel8x0: clocking to 48000
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