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SubjectStrange lockup of the timer with 2.4.0-test10 SMP (and older)
After some non deterministic amount of time (less than 2 hours)
every application that rely on time get locked.
If a do a 'cat /proc/interrupts' I can see that the timer and NMI
interrupts counter don't increase any more.
My base configuration is : Asus CUR-DLS Bi PIII 933MHz, 2GB RDRAM
~ > uname -a
Linux pc8-118 2.4.0-test10 #1 SMP Thu Nov 16 13:18:57 CET 2000 i686unknown
~ > cat /proc/interrupts
CPU0 CPU1
0: 143295 143298 IO-APIC-edge timer <<< This one is stuck
1: 3867 3275 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
8: 0 1 IO-APIC-edge rtc
12: 46469 51592 IO-APIC-edge PS/2 Mouse
13: 0 0 XT-PIC fpu
17: 11 16 IO-APIC-level aic7xxx
20: 14764 14294 IO-APIC-level eth0
24: 1917 1855 IO-APIC-level sym53c8xx
25: 15 15 IO-APIC-level sym53c8xx
NMI: 286482 286482 < < < < stuck
LOC: 286422 286420 < < < < stuck
ERR: 0

Nothing in syslogs indicates a panic nor an oops. The nmi watchdog is
activated and reports nothing.

The problem will not occur if nosmp is passed to the kernel.
The problem occurs aswell if I use a 2.2.17 kernel.

What does not work:
- X becomes non functional
- reboot will not reboot and will emit a infinite beep on the internal
speaker
- sleep 1 is endless but interruptible with C-c
- Magic SysRq will not synchronize nor umount filesystems
- date will not increase
What works:
- network and all related services
- shell (becomes slugish from time to time)
- console login
- hwclock is increasing correctly.

Here are the first boot messages from dmsg:
0 0 0 0 1 1 59
08 003 03 0 0 0 0 0 1 1 61
09 003 03 1 1 0 1 0 1 1 69
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 003 03 0 0 0 0 0 1 1 71
0d 000 00 1 0 0 0 0 0 0 00
0e 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00

IO APIC #1......
.... register #00: 01000000
....... : physical APIC id: 01
.... register #01: 000F0011
....... : max redirection entries: 000F
....... : IO APIC version: 0011
.... register #02: 03000000
....... : arbitration: 03
.... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 003 03 1 1 0 1 0 1 1 79
01 003 03 1 1 0 1 0 1 1 81
02 000 00 1 0 0 0 0 0 0 00
03 000 00 1 0 0 0 0 0 0 00
04 003 03 1 1 0 1 0 1 1 89
05 000 00 1 0 0 0 0 0 0 00
06 000 00 1 0 0 0 0 0 0 00
07 000 00 1 0 0 0 0 0 0 00
08 003 03 1 1 0 1 0 1 1 91
09 003 03 1 1 0 1 0 1 1 99
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 000 00 1 0 0 0 0 0 0 00
0d 000 00 1 0 0 0 0 0 0 00
0e 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00
IRQ to pin mappings:
IRQ0 -> 2
IRQ1 -> 1
IRQ3 -> 3
IRQ4 -> 4
IRQ6 -> 6
IRQ7 -> 7
IRQ8 -> 8
IRQ9 -> 9
IRQ12 -> 12
IRQ16 -> 0
IRQ17 -> 1
IRQ20 -> 4
IRQ24 -> 8
IRQ25 -> 9
.................................... done.
calibrating APIC timer ...
..... CPU clock speed is 933.5232 MHz.
..... host bus clock speed is 133.3603 MHz.
cpu: 0, clocks: 1333603, slice: 444534
CPU0<T0:1333600,T1:889056,D:10,S:444534,C:1333603>
cpu: 1, clocks: 1333603, slice: 444534
CPU1<T0:1333600,T1:444528,D:4,S:444534,C:1333603>
checking TSC synchronization across CPUs: passed.
Setting commenced=1, go go go
PCI: PCI BIOS revision 2.10 entry at 0xf0aa0, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: ServerWorks host bridge: secondary bus 00
PCI: ServerWorks host bridge: secondary bus 01
PCI: Using IRQ router default [1166/0200] at 00:0f.0
PCI->APIC IRQ transform: (B1,I5,P0) -> 24
PCI->APIC IRQ transform: (B1,I5,P1) -> 25
PCI->APIC IRQ transform: (B0,I2,P0) -> 20
PCI->APIC IRQ transform: (B0,I3,P0) -> 16
PCI->APIC IRQ transform: (B0,I4,P0) -> 17
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
P6 Microcode Update Driver v1.07
Starting kswapd v1.8
pty: 256 Unix98 ptys configured
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
NTFS version 000607
Serial driver version 5.02 (2000-08-09) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Real Time Clock Driver v1.10d
Software Watchdog Timer: 0.05, timer margin: 60 sec
eepro100.c:v1.09j-t 9/29/99 Donald Becker http://cesdis.gsfc.nasa.gov/linux/drivers/eepro100.html
eepro100.c: $Revision: 1.33 $ 2000/05/24 Modified by Andrey V. Savochkin <saw@saw.sw.com.sg> and others
eth0: OEM i82557/i82558 10/100 Ethernet, 00:E0:18:02:5E:D5, IRQ 20.
Board assembly 668081-002, Physical connectors present: RJ45
Primary interface chip i82555 PHY #1.
General self-test: passed.
Serial sub-system self-test: passed.
Internal registers self-test: passed.
ROM checksum self-test: passed (0x04f4518b).
Receiver lock-up workaround activated.
SCSI subsystem driver Revision: 1.00
(scsi0) <Adaptec AIC-7850 SCSI host adapter> found at PCI 0/4/0
(scsi0) Narrow Channel, SCSI ID=7, 3/255 SCBs
(scsi0) Downloading sequencer code... 415 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
<Adaptec AIC-7850 SCSI host adapter>
(scsi0:0:4:0) Synchronous at 10.0 Mbyte/sec, offset 15.
Vendor: PIONEER Model: DVD-ROM DVD-304 Rev: 1.03
Type: CD-ROM ANSI SCSI revision: 02
sym53c8xx: at PCI bus 1, device 5, function 0
sym53c8xx: 53c896 detected with Symbios NVRAM
sym53c8xx: at PCI bus 1, device 5, function 1
sym53c8xx: 53c896 detected with Symbios NVRAM
sym53c896-0: rev 0x7 on pci bus 1 device 5 function 0 irq 24
sym53c896-0: Symbios format NVRAM, ID 7, Fast-40, Parity Checking
sym53c896-0: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 07/4e/a0/01/00/24
sym53c896-0: final SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 07/4e/80/01/08/24
sym53c896-0: on-chip RAM at 0xf7000000
sym53c896-0: resetting, command processing suspended for 2 seconds
sym53c896-0: restart (scsi reset).
sym53c896-0: enabling clock multiplier
sym53c896-0: handling phase mismatch from SCRIPTS.
sym53c896-0: Downloading SCSI SCRIPTS.
sym53c896-1: rev 0x7 on pci bus 1 device 5 function 1 irq 25
sym53c896-1: Symbios format NVRAM, ID 7, Fast-40, Parity Checking
sym53c896-1: initial SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 07/4e/a0/01/00/24
sym53c896-1: final SCNTL3/DMODE/DCNTL/CTEST3/4/5 = (hex) 07/4e/80/01/08/24
sym53c896-1: on-chip RAM at 0xf6000000
sym53c896-1: resetting, command processing suspended for 2 seconds
sym53c896-1: restart (scsi reset).
sym53c896-1: enabling clock multiplier
sym53c896-1: handling phase mismatch from SCRIPTS.
sym53c896-1: Downloading SCSI SCRIPTS.
scsi1 : sym53c8xx - version 1.6b
scsi2 : sym53c8xx - version 1.6b
sym53c896-0: command processing resumed
Vendor: IBM Model: DDYS-T18350N Rev: S93E
Type: Direct-Access ANSI SCSI revision: 03
sym53c896-1: command processing resumed
sym53c896-0-<0,0>: tagged command queue depth set to 4
Detected scsi disk sda at scsi1, channel 0, id 0, lun 0
sym53c896-0-<0,0>: wide msgout: 1-2-3-1.
sym53c896-0-<0,0>: wide msgin: 1-2-3-1.
sym53c896-0-<0,0>: wide: wide=1 chg=0.
sym53c896-0-<0,*>: WIDE SCSI (16 bit) enabled.
sym53c896-0-<0,0>: wide msgout: 1-2-3-1.
sym53c896-0-<0,0>: wide msgin: 1-2-3-1.
sym53c896-0-<0,0>: wide: wide=1 chg=0.
sym53c896-0-<0,0>: sync msgout: 1-3-1-a-1f.
sym53c896-0-<0,0>: sync msg in: 1-3-1-a-1f.
sym53c896-0-<0,0>: sync: per=10 scntl3=0x90 scntl4=0x0 ofs=31 fak=0 chg=0.
sym53c896-0-<0,*>: FAST-40 WIDE SCSI 80.0 MB/s (25 ns, offset 31)
SCSI device sda: 35843670 512-byte hdwr sectors (18352 MB)
Partition check:
sda: sda1 sda2 sda3 sda4
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 4, lun 0
sr0: scsi3-mmc drive: 0x/0x cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.11
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 16384 buckets, 128Kbytes
TCP: Hash tables configured (established 131072 bind 65536)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
kmem_create: Forcing size word alignment - nfs_fh
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 200k freed

Thank you in advance for your help.

--
| Benjamin Monate | mailto:Benjamin.Monate@lri.fr |
| LRI - Bât. 490
| Université de Paris-Sud
| F-91405 ORSAY Cedex

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