From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Q312461) Description of problem: We just upgraded our RH Linux 7.3 to 8.0. And now only CPU0 is detected. Here is the 'uname -a': Linux webserver 2.4.18-14smp #1 SMP Wed Sep 4 12:34:47 EDT 2002 i686 i686 i386 GNU/Linux Here is the information from /var/log/dmesg: -------------------------------------------------------------------- Linux version 2.4.18-14smp (bhcompile.redhat.com) (gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)) #1 SMP Wed Sep 4 12:34:47 EDT 2002 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000000fffc000 (usable) BIOS-e820: 000000000fffc000 - 0000000010000000 (ACPI data) BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved) 0MB HIGHMEM available. 255MB LOWMEM available. On node 0 totalpages: 65532 zone(0): 4096 pages. zone(1): 61436 pages. zone(2): 0 pages. Kernel command line: auto BOOT_IMAGE=2.4.18-14smp ro BOOT_FILE=/boot/vmlinuz- 2.4.18-14smp root=LABEL=/ Local APIC disabled by BIOS -- reenabling. Found and enabled local APIC! Initializing CPU#0 Detected 498.475 MHz processor. Speakup v-1.00 CVS: Tue Jun 11 14:22:53 EDT 2002 : initialized Console: colour VGA+ 80x25 Calibrating delay loop... 990.06 BogoMIPS Memory: 252416k/262128k available (1451k kernel code, 7280k reserved, 1067k data, 240k init, 0k highmem) Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) Inode cache hash table entries: 16384 (order: 5, 131072 bytes) Mount cache hash table entries: 4096 (order: 3, 32768 bytes) ramfs: mounted with options: <defaults> ramfs: max_pages=31807 max_file_pages=0 max_inodes=0 max_dentries=31807 Buffer cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 65536 (order: 6, 262144 bytes) CPU: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 512K CPU: After vendor init, caps: 0383fbff 00000000 00000000 00000000 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0383fbff 00000000 00000000 00000000 CPU: Common caps: 0383fbff 00000000 00000000 00000000 Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX mtrr: v1.40 (20010327) Richard Gooch (rgooch.au) mtrr: detected mtrr type: Intel CPU: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 512K CPU: After vendor init, caps: 0383fbff00000000 00000000 00000000 Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0383fbff 00000000 00000000 00000000 CPU: Common caps: 0383fbff 00000000 00000000 00000000 CPU0: Intel Pentium III (Katmai) stepping 03 per-CPU timeslice cutoff: 1461.86 usecs. task migration cache decay timeout: 1 msecs. SMP motherboard not detected. 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 498.0828 MHz. ..... host bus clock speed is 99.1337 MHz. cpu: 0, clocks: 194684, slice: 97342 CPU0<T0:194672,T1:97328,D:2,S:97342,C:194684> migration_task 0 on cpu=0 PCI: PCI BIOS revision 2.10 entry at 0xf0080, last bus=1 PCI: Using configuration type 1 PCI: Probing PCI hardware Unknown bridge resource 2: assuming transparent PCI: Device 00:00 not found by BIOS PCI: Device 00:a0 not found by BIOS Limiting direct PCI/PCI transfers. isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found speakup: initialized device: /dev/synth, node (MAJOR 10, MINOR 25) Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket apm: BIOS not found. Starting kswapd .... (contiues to load the rest of the system) -------------------------------------------------------------------- Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. Boot the machine 2. Kernel complains SMP motherboard not detected. Actual Results: System comes up but only with one CPU. Expected Results: Kernel should have detected both CPU's. Both CPU's are identical (Intel PIII 500 MHz). On Red Hat Linux 7.3 system detected and used both CPU's. After upgrade to Red Hat Linux 8.0 system will only recognize CPU0. Additional info: --File: dmesg -- Linux version 2.4.18-14smp (bhcompile.redhat.com) (gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)) #1 SMP Wed Sep 4 12:34:47 EDT 2002 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000000fffc000 (usable) BIOS-e820: 000000000fffc000 - 0000000010000000 (ACPI data) BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved) 0MB HIGHMEM available. 255MB LOWMEM available. On node 0 totalpages: 65532 zone(0): 4096 pages. zone(1): 61436 pages. zone(2): 0 pages. Kernel command line: auto BOOT_IMAGE=2.4.18-14smp ro BOOT_FILE=/boot/vmlinuz- 2.4.18-14smp root=LABEL=/ Local APIC disabled by BIOS -- reenabling. Found and enabled local APIC! Initializing CPU#0 Detected 498.475 MHz processor. Speakup v-1.00 CVS: Tue Jun 11 14:22:53 EDT 2002 : initialized Console: colour VGA+ 80x25 Calibrating delay loop... 990.06 BogoMIPS Memory: 252416k/262128k available (1451k kernel code, 7280k reserved, 1067k data, 240k init, 0k highmem) Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) Inode cache hash table entries: 16384 (order: 5, 131072 bytes) Mount cache hash table entries: 4096 (order: 3, 32768 bytes) ramfs: mounted with options: <defaults> ramfs: max_pages=31807 max_file_pages=0 max_inodes=0 max_dentries=31807 Buffer cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 65536 (order: 6, 262144 bytes) CPU: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 512K CPU: After vendor init, caps: 0383fbff 00000000 00000000 00000000 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0383fbff 00000000 00000000 00000000 CPU: Common caps: 0383fbff 00000000 00000000 00000000 Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX mtrr: v1.40 (20010327) Richard Gooch (rgooch.au) mtrr: detected mtrr type: Intel CPU: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 512K CPU: After vendor init, caps: 0383fbff 00000000 00000000 00000000 Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0383fbff 00000000 00000000 00000000 CPU: Common caps: 0383fbff 00000000 00000000 00000000 CPU0: Intel Pentium III (Katmai) stepping 03 per-CPU timeslice cutoff: 1461.86 usecs. task migration cache decay timeout: 1 msecs. SMP motherboard not detected. 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 498.0828 MHz. ..... host bus clock speed is 99.1337 MHz. cpu: 0, clocks: 194684, slice: 97342 CPU0<T0:194672,T1:97328,D:2,S:97342,C:194684> migration_task 0 on cpu=0 PCI: PCI BIOS revision 2.10 entry at 0xf0080, last bus=1 PCI: Using configuration type 1 PCI: Probing PCI hardware Unknown bridge resource 2: assuming transparent PCI: Device 00:00 not found by BIOS PCI: Device 00:a0 not found by BIOS Limiting direct PCI/PCI transfers. isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found speakup: initialized device: /dev/synth, node (MAJOR 10, MINOR 25) Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket apm: BIOS not found. Starting kswapd VFS: Diskquotas version dquot_6.5.0 initialized pty: 2048 Unix98 ptys configured Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled ttyS0 at 0x03f8 (irq = 4) is a 16550A ttyS1 at 0x02f8 (irq = 3) is a 16550A Real Time Clock Driver v1.10e oprofile: APIC was already enabled oprofile 0.2 loaded, major 254 block: 480 slots per queue, batch=120 Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx PIIX4: IDE controller on PCI bus 00 dev a1 PIIX4: chipset revision 1 PIIX4: not 100% native mode: will probe irqs later ide0: BM-DMA at 0x2c30-0x2c37, BIOS settings: hda:pio, hdb:pio hda: COMPAQ CDR-8435, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide-floppy driver 0.99.newide Floppy drive(s): fd0 is 1.44M FDC 0 is a National Semiconductor PC87306 NET4: Frame Diverter 0.46 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize ide-floppy driver 0.99.newide md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. pci_hotplug: PCI Hot Plug PCI Core version: 0.4 NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 2048 buckets, 16Kbytes TCP: Hash tables configured (established 16384 bind 16384) Linux IP multicast router 0.06 plus PIM-SM NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. RAMDISK: Compressed image found at block 0 Freeing initrd memory: 225k freed VFS: Mounted root (ext2 filesystem). SCSI subsystem driver Revision: 1.00 kmod: failed to exec /sbin/modprobe -s -k scsi_hostadapter, errno = 2 ncr53c8xx: at PCI bus 0, device 6, function 0 ncr53c8xx: 53c875 detected ncr53c8xx: at PCI bus 0, device 6, function 1 ncr53c8xx: 53c875 detected ncr53c875-0: rev 0x14 on pci bus 0 device 6 function 0 irq 5 ncr53c875-0: ID 7, Fast-20, Parity Checking ncr53c875-1: rev 0x14 on pci bus 0 device 6 function 1 irq 10 ncr53c875-1: ID 7, Fast-20, Parity Checking scsi0 : ncr53c8xx-3.4.3b-20010512 scsi1 : ncr53c8xx-3.4.3b-20010512 Vendor: COMPAQ Model: BB00921B91 Rev: 3B07 Type: Direct-Access ANSI SCSI revision: 02 ncr53c875-0-<2,*>: FAST-10 WIDE SCSI 20.0 MB/s (100 ns, offset 15) Vendor: IBM Model: DCHS04W Rev: 2929 Type: Direct-Access ANSI SCSI revision: 02 ncr53c875-0-<4,*>: FAST-10 WIDE SCSI 20.0 MB/s (100 ns, offset 15) Vendor: IBM Model: DCHS04W Rev: 2929 Type: Direct-Access ANSI SCSI revision: 02 Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 Attached scsi disk sdb at scsi0, channel 0, id 2, lun 0 Attached scsi disk sdc at scsi0, channel 0, id 4, lun 0 ncr53c875-0-<0,*>: FAST-20 WIDE SCSI 40.0 MB/s (50 ns, offset 15) SCSI device sda: 17773524 512-byte hdwr sectors (9100 MB) Partition check: sda: sda1 sda2 < sda5 sda6 sda7 sda8 sda9 > SCSI device sdb: 8813870 512-byte hdwr sectors (4513 MB) sdb: sdb4 SCSI device sdc: 8813870 512-byte hdwr sectors (4513 MB) sdc: sdc1 Journalled Block Device driver loaded kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. Freeing unused kernel memory: 240k freed EXT3 FS 2.4-0.9.18, 14 May 2002 on sd(8,8), internal journal Adding Swap: 265032k swap-space (priority -1) kjournald starting. Commit interval 5 seconds EXT3 FS 2.4-0.9.18, 14 May 2002 on sd(8,1), internal journal EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds EXT3 FS 2.4-0.9.18, 14 May 2002 on sd(8,6), internal journal EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds EXT3 FS 2.4-0.9.18, 14 May 2002 on sd(8,5), internal journal EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds EXT3 FS 2.4-0.9.18, 14 May 2002 on sd(8,7), internal journal EXT3-fs: mounted filesystem with ordered data mode. Adding Swap: 260088k swap-space (priority -2) --End of dmesg--
Found info from LUG, apparently after upgrading to 8.0, you should re-configure BIOS. I went to the BIOS left all the settings as they were, hit [Apply & Exit]. Next time I boot into RH Linux 8.0 detected both CPU's. Thanks HP