Re: 2.5.70 and 2.5.70-mm3 hang on bootup

From: John Stoffel (
Date: Sun Jun 01 2003 - 22:03:33 EST

>>>>> "John" == John Stoffel <> writes:

Bernhard> Both 2.5.70 and 2.5.70-mm3 hang right after "Ok, booting the
Bernhard> kernel..." on one of my test boxes (at the point, nothing
Bernhard> works, not even turning on/off the NumLock LED).

Bernhard> Hardware: ASUS A7S333, Athlon 2600+, 1 GB RAM
Bernhard> Compiler: gcc 3.3

John> Make sure you've turned off APIC mode, even for UP processors. I'm
John> trying to get 2.5.70-mm3 working with SMP and I've narrowed it down to
John> an APIC problem. Doesn't matter if I'm SMP or UP if I have APIC
John> enabled. Booting with 'noapic' doesn't seem to help, but I'm probably
John> doing that part wrong.

John> My machine is a Dell Precision 610MT, dual 550 Mhz PIII Xeon, 440BX
John> chipset. Latest BIOS from Dell, but it's a pretty stripped down one,
John> not much to poke at.

I'm an idiot, I have a 440GX (not B) chipset, as shown by lspic:

> lspci
  00:00.0 Host bridge: Intel Corporation 440GX - 82443GX Host bridge
  00:01.0 PCI bridge: Intel Corporation 440GX - 82443GX AGP bridge
  00:07.0 ISA bridge: Intel Corporation 82371AB PIIX4 ISA (rev 02)
  00:07.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
  00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
  00:07.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 02)
  00:0d.0 PCI bridge: Hint Corp: Unknown device 0021 (rev 13)
  00:0e.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro
  100] (rev 05)
  00:10.0 SCSI storage controller: Adaptec AIC-7881U
  00:13.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev
  01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP
  (rev 82)
  02:08.0 USB Controller: NEC Corporation USB (rev 41)
  02:08.1 USB Controller: NEC Corporation USB (rev 41)
  02:08.2 USB Controller: NEC Corporation: Unknown device 00e0 (rev 02)
  02:0b.0 FireWire (IEEE 1394): Texas Instruments: Unknown device 8020
  03:0a.0 SCSI storage controller: Adaptec AHA-2940U2/W / 7890
  03:0e.0 SCSI storage controller: Adaptec AIC-7880U (rev 01)

Just to follow up here, it's still not working for me with 2.5.70-bk6,
it hangs on bootup when I have UP compilied in, along with "Local APIC
support on uniprocessors".

And since I haven't been able to get 2.5.x to run in the past (though
admittedly I was always using SMP builds) I can't tell you when this
got broken.

Here's the output of /proc/version and interrupts from my currently
working 2.4.x SMP setup:

> cat /proc/version
  Linux version 2.4.21-pre5-ac1 (john@jfsnew) (gcc version 2.96 20000731
  (Red Hat Linux 7.2 2.96-112.7.2)) #4 SMP Thu Mar 6 17:21:37 EST 2003
> cat /proc/interrupts
             CPU0 CPU1
    0: 30769 31439 IO-APIC-edge timer
    1: 793 791 IO-APIC-edge keyboard
    2: 0 0 XT-PIC cascade
    5: 1 0 IO-APIC-edge Crystal audio controller
    8: 1 0 IO-APIC-edge rtc
   11: 7043 4241 IO-APIC-edge Cyclom-Y
   12: 429 435 IO-APIC-edge PS/2 Mouse
   14: 613 336 IO-APIC-edge ide0
   16: 0 0 IO-APIC-level usb-ohci
   17: 1323 1393 IO-APIC-level usb-ohci, eth0
   18: 3966 3863 IO-APIC-level aic7xxx, aic7xxx
   19: 32 28 IO-APIC-level aic7xxx
  NMI: 0 0
  LOC: 62121 62119
  ERR: 0
  MIS: 0

Here's the output from what I can boot 2.5.70-mm3 in UP mode with APIC
turned off, notice how all my devices are on Interuppt 11, and that my
Cyclom-Y ISA serial board isn't detected properly. The driver sorta
finds it, but can't get an interrupt properly.

> cat /proc/interrupts
    0: 136453 XT-PIC timer
    1: 93 XT-PIC i8042
    2: 0 XT-PIC cascade
    9: 0 XT-PIC acpi
   10: 52 XT-PIC eth0
   11: 4555 XT-PIC aic7xxx, aic7xxx, aic7xxx, ehci-hcd,
   12: 397 XT-PIC i8042
   14: 118 XT-PIC ide0
  NMI: 0
  ERR: 0

Hopefully this will help people who know more than I about APIC stuff
to debug this. I'm willing to try out patches, now that 2.5.70-mm3
seems have a pretty solid RAID1 setup. Which I'll test a bit more


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