http://qa.mandrakesoft.com/show_bug.cgi?id=3172
------- Additional Comments From [EMAIL PROTECTED] 2003-03-11 17:31 -------
Okay, work machine, SMP, same behavior as at home. EXCEPT: this work machine is
9.0, but with the 2.4.19-24mdksmp kernel!
$ cat /proc/interrupts
CPU0 CPU1
0: 52397687 0 IO-APIC-edge timer
1: 265376 0 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
3: 1 0 IO-APIC-edge serial
4: 1 0 IO-APIC-edge serial
6: 81 0 IO-APIC-edge floppy
8: 53359184 0 IO-APIC-edge rtc
15: 78446 1 IO-APIC-edge ide1
16: 2 0 IO-APIC-level ohci1394
17: 21516 0 IO-APIC-level Intel 82801BA-ICH2
19: 1317838 0 IO-APIC-level usb-uhci
22: 614901 0 IO-APIC-level aic7xxx
23: 65467297 0 IO-APIC-level usb-uhci, eth0
NMI: 0 0
LOC: 52397233 52397231
ERR: 0
MIS: 0
Notice APIC is enabled; I can do the same cat trick to /proc/irq/x/smp_affinity and
get
the same behavior I mentioned before (CPU1 starts handling some interrupts).
This machine (work)'s info:
$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) XEON(TM) CPU 2.40GHz
stepping : 4
cpu MHz : 2392.762
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips : 4771.02
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) XEON(TM) CPU 2.40GHz
stepping : 4
cpu MHz : 2392.762
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips : 4784.12
$ cat /var/log/dmesg
Linux version 2.4.19-24mdksmp ([EMAIL PROTECTED]) (gcc version
3.2 (Mandrake Linux 9.0 3.2-1mdk)) #1 SMP Thu Jan 30 10:32:17 MST 2003
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000007ff77000 (usable)
BIOS-e820: 000000007ff77000 - 000000007ff79000 (ACPI NVS)
BIOS-e820: 000000007ff79000 - 0000000080000000 (reserved)
BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
Warning only 896MB will be used.
Use a HIGHMEM enabled kernel.
896MB LOWMEM available.
found SMP MP-table at 000fe710
hm, page 000fe000 reserved twice.
hm, page 000ff000 reserved twice.
hm, page 000f0000 reserved twice.
Advanced speculative caching feature not present
On node 0 totalpages: 229376
zone(0): 4096 pages.
zone(1): 225280 pages.
zone(2): 0 pages.
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: DELL Product ID: WS 530 APIC at: 0xFEE00000
Processor #0 Unknown CPU [15:2] APIC version 20
Processor #2 Unknown CPU [15:2] APIC version 20
I/O APIC #4 Version 32 at 0xFEC00000.
Processors: 2
Kernel command line: BOOT_IMAGE=2419-24smp ro root=801 devfs=mount
hdd=ide-scsi
ide_setup: hdd=ide-scsi
Initializing CPU#0
Detected 2392.762 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 4771.02 BogoMIPS
Memory: 904556k/917504k available (1315k kernel code, 12564k reserved, 487k data,
140k init, 0k highmem)
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode cache hash table entries: 65536 (order: 7, 524288 bytes)
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
Buffer-cache hash table entries: 65536 (order: 6, 262144 bytes)
Page-cache hash table entries: 262144 (order: 8, 1048576 bytes)
CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 12K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
CPU: Common caps: 3febfbff 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 ([EMAIL PROTECTED])
mtrr: detected mtrr type: Intel
CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 12K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
CPU: Common caps: 3febfbff 00000000 00000000 00000000
CPU0: Intel(R) XEON(TM) CPU 2.40GHz stepping 04
per-CPU timeslice cutoff: 1462.89 usecs.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000040
ESR value after enabling vector: 00000000
Booting processor 1/2 eip 2000
Initializing CPU#1
masked ExtINT on CPU#1
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Calibrating delay loop... 4784.12 BogoMIPS
CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 12K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 3
CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
Intel machine check reporting enabled on CPU#1.
CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
CPU: Common caps: 3febfbff 00000000 00000000 00000000
CPU1: Intel(R) XEON(TM) CPU 2.40GHz stepping 04
Total of 2 processors activated (9555.14 BogoMIPS).
WARNING: No sibling found for CPU 0.
WARNING: No sibling found for CPU 1.
ENABLING IO-APIC IRQs
Setting 4 in the phys_id_present_map
...changing IO-APIC physical APIC ID to 4 ... ok.
init IO_APIC IRQs
IO-APIC (apicid-pin) 4-0, 4-13 not connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 44.
number of IO-APIC #4 registers: 24.
testing the IO APIC.......................
IO APIC #4......
.... register #00: 04000000
....... : physical APIC id: 04
.... register #01: 00178020
....... : max redirection entries: 0017
....... : PRQ implemented: 1
....... : IO APIC version: 0020
.... register #02: 00000000
....... : arbitration: 00
.... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 003 03 0 0 0 0 0 1 1 39
02 003 03 0 0 0 0 0 1 1 31
03 003 03 0 0 0 0 0 1 1 41
04 003 03 0 0 0 0 0 1 1 49
05 003 03 0 0 0 0 0 1 1 51
06 003 03 0 0 0 0 0 1 1 59
07 003 03 0 0 0 0 0 1 1 61
08 003 03 0 0 0 0 0 1 1 69
09 003 03 0 0 0 0 0 1 1 71
0a 003 03 0 0 0 0 0 1 1 79
0b 003 03 0 0 0 0 0 1 1 81
0c 003 03 0 0 0 0 0 1 1 89
0d 000 00 1 0 0 0 0 0 0 00
0e 003 03 0 0 0 0 0 1 1 91
0f 003 03 0 0 0 0 0 1 1 99
10 003 03 1 1 0 1 0 1 1 A1
11 003 03 1 1 0 1 0 1 1 A9
12 003 03 1 1 0 1 0 1 1 B1
13 003 03 1 1 0 1 0 1 1 B9
14 003 03 1 1 0 1 0 1 1 C1
15 003 03 1 1 0 1 0 1 1 C9
16 003 03 1 1 0 1 0 1 1 D1
17 003 03 1 1 0 1 0 1 1 D9
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ5 -> 0:5
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ9 -> 0:9
IRQ10 -> 0:10
IRQ11 -> 0:11
IRQ12 -> 0:12
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ17 -> 0:17
IRQ18 -> 0:18
IRQ19 -> 0:19
IRQ20 -> 0:20
IRQ21 -> 0:21
IRQ22 -> 0:22
IRQ23 -> 0:23
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 2392.8030 MHz.
..... host bus clock speed is 99.7000 MHz.
cpu: 0, clocks: 997000, slice: 332333
CPU0<T0:996992,T1:664656,D:3,S:332333,C:997000>
cpu: 1, clocks: 997000, slice: 332333
CPU1<T0:996992,T1:332320,D:6,S:332333,C:997000>
checking TSC synchronization across CPUs: passed.
Waiting on wait_init_idle (map = 0x2)
All processors have done init_idle
PCI: PCI BIOS revision 2.10 entry at 0xfbe4e, last bus=4
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Unknown bridge resource 0: assuming transparent
Unknown bridge resource 2: assuming transparent
Unknown bridge resource 2: assuming transparent
Unknown bridge resource 2: assuming transparent
PCI: Using IRQ router PIIX [8086/2440] at 00:1f.0
PCI->APIC IRQ transform: (B0,I31,P3) -> 19
PCI->APIC IRQ transform: (B0,I31,P1) -> 17
PCI->APIC IRQ transform: (B0,I31,P2) -> 23
PCI->APIC IRQ transform: (B0,I31,P1) -> 17
PCI->APIC IRQ transform: (B1,I0,P0) -> 16
PCI->APIC IRQ transform: (B3,I14,P0) -> 22
PCI->APIC IRQ transform: (B4,I11,P0) -> 23
PCI->APIC IRQ transform: (B4,I12,P0) -> 16
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16)
apm: disabled - APM is not SMP safe.
Starting kswapd
VFS: Diskquotas version dquot_6.5.0 initialized
devfs: v1.12a (20020514) Richard Gooch ([EMAIL PROTECTED])
devfs: boot_options: 0x1
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with HUB-6 MANY_PORTS MULTIPORT
SHARE_IRQ SERIAL_PCI ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH2: IDE controller on PCI bus 00 dev f9
ICH2: chipset revision 4
ICH2: not 100% native mode: will probe irqs later
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
hdc: LITEON DVD-ROM LTD163, ATAPI CD/DVD-ROM drive
hdd: HL-DT-ST GCE-8400B, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hdc: ATAPI 48X DVD-ROM drive, 512kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
ide-floppy driver 0.99b
RAMDISK driver initialized: 16 RAM disks of 32000K size 1024 blocksize
ide-floppy driver 0.99b
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 8192 buckets, 64Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
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: 241k freed
VFS: Mounted root (ext2 filesystem).
Mounted devfs on /dev
SCSI subsystem driver Revision: 1.00
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8
<Adaptec aic7892 Ultra160 SCSI adapter>
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
Vendor: SEAGATE Model: ST336752LW Rev: 2212
Type: Direct-Access ANSI SCSI revision: 03
scsi0:A:0:0: Tagged Queuing enabled. Depth 253
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
(scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 63, 16bit)
SCSI device sda: 71132959 512-byte hdwr sectors (36420 MB)
Partition check:
/dev/scsi/host0/bus0/target0/lun0: p1 p2 < p5 p6 >
reiserfs: checking transaction log (device 08:01) ...
Using r5 hash to sort names
ReiserFS version 3.6.25
Mounted devfs on /dev
Freeing unused kernel memory: 140k freed
Real Time Clock Driver v1.10e
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 11:00:07 Jan 30 2003
usb-uhci.c: High bandwidth mode enabled
PCI: Setting latency timer of device 00:1f.2 to 64
usb-uhci.c: USB UHCI at I/O 0xff80, IRQ 19
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 00:1f.4 to 64
usb-uhci.c: USB UHCI at I/O 0xff60, IRQ 23
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
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
usbdevfs: remount parameter error
Adding Swap: 2097136k swap-space (priority -1)
hub.c: USB new device connect on bus1/2, assigned device number 2
scsi1 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: HL-DT-ST Model: CD-RW GCE-8400B Rev: B104
Type: CD-ROM ANSI SCSI revision: 02
usb.c: USB device 2 (vend/prod 0x45e/0x47) is not claimed by any active driver.
reiserfs: checking transaction log (device 08:06) ...
Using r5 hash to sort names
ReiserFS version 3.6.25
ohci1394: $Rev: 530 $ Ben Collins <[EMAIL PROTECTED]>
ohci1394_0: OHCI-1394 1.0 (PCI): IRQ=[16] MMIO=[fe1ff000-fe1ff800] Max
Packet=[2048]
ieee1394: Host added: Node[00:1023] GUID[805b06003402be00] [Linux OHCI-1394]
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
04:0b.0: 3Com PCI 3c905C Tornado at 0xdc80. Vers LK1.1.16
04:0b.0: Media override to transceiver type 8 (Autonegotiate).
This is a work machine so I can't easily reboot it to conclusively test if the
original 9.0
kernel had this behavior, however I can give anecdotal evidence (yay! that's so
useful! ;) that it didn't.
I'll have time after work today to do more investigating on my SMP machine at home.
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You are on the CC list for the bug, or are watching someone who is.
------- Reminder: -------
assigned_to: [EMAIL PROTECTED]
status: NEW
creation_date:
description:
This bug has been signaled on cooker mailing list, I signal it on behalf of
Wesley J Landaker, who could not reach Bugzilla:
> IO-APIC is enabled on my system, however all interrupts are routed to
> CPU0. This didn't used to be the case, and I see a *drastic*
> performance hit because of this (for instance, using mencoder to
> capture real-time TV I used to get 35fps, now I can't even get
> 20fps).
It has been confirme by several people with different kernels:
with standard kernel 2.4.21, I observed a very drastic performance problem with
mencoder, encoding a video or TV, or encoding sound in oggvorbis (about 5
times slower).
This happens also with the smp kernel, and this is even worse with the
multimedia kernel.
