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Subject2.5.41-ac1 hangs with 'Starting migration thread for cpu 1'
2.5.41-ac1 hangs with 'Starting migration thread for cpu 1'.

Which, of course, 2.5.40, 2.5.41 and various 2.4 kernels didn't :-)

this is an Abit VP6, dual X86 board:

00:00.0 Host bridge: VIA Technologies, Inc. VT82C693A/694x [Apollo PRO133x] (rev c4)
00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x AGP]
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40)
00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06)
00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 16)
00:07.3 USB Controller: VIA Technologies, Inc. USB (rev 16)
00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
00:09.0 Unknown mass storage controller: Promise Technology, Inc. 20265 (rev 02)
00:0a.0 SCSI storage controller: LSI Logic / Symbios Logic (formerly NCR) 53c860 (rev 13)
00:0b.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 07)
00:0b.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 07)
00:0c.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C (rev 10)
00:0e.0 Unknown mass storage controller: Triones Technologies, Inc. HPT366 / HPT370 (rev 03)
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 03)

plain 2.5.41 dmesg:
Linux version 2.5.41 (root@middle) (gcc version 2.95.4 20011002 (Debian prerelease)) #1 SMP Mon Oct 7 21:31:04 CEST 2002
Video mode to be used for restore is f00
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)
BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
user-defined physical RAM map:
user: 0000000000000000 - 000000000009fc00 (usable)
user: 000000000009fc00 - 00000000000a0000 (reserved)
user: 00000000000f0000 - 0000000000100000 (reserved)
user: 0000000000100000 - 000000003fff0000 (usable)
user: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
user: 000000003fff3000 - 0000000040000000 (ACPI data)
user: 00000000fec00000 - 00000000fec01000 (reserved)
user: 00000000fee00000 - 00000000fee01000 (reserved)
user: 00000000ffff0000 - 0000000100000000 (reserved)
127MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f5770
hm, page 000f5000 reserved twice.
hm, page 000f6000 reserved twice.
hm, page 000f1000 reserved twice.
hm, page 000f2000 reserved twice.
On node 0 totalpages: 262128
DMA zone: 4096 pages
Normal zone: 225280 pages
HighMem zone: 32752 pages
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
Processor #0 6:8 APIC version 17
Processor #1 6:8 APIC version 17
I/O APIC #2 Version 17 at 0xFEC00000.
Processors: 2
Building zonelist for node : 0
Kernel command line: root=/dev/hda7 video=matrox:vesa:0x11E,fv:80,sgram hdc=scsi apm=power-off mem=1048512K
ide_setup: hdc=scsi
Initializing CPU#0
Detected 703.313 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 1380.35 BogoMIPS
Memory: 1031452k/1048512k available (1882k kernel code, 16672k reserved, 635k data, 332k init, 131008k highmem)
Security Scaffold v1.0.0 initialized
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: 512 (order: 0, 4096 bytes)
CPU: Before vendor init, caps: 0387fbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU serial number disabled.
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
CPU: Before vendor init, caps: 0383fbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
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 (Coppermine) stepping 03
per-CPU timeslice cutoff: 730.87 usecs.
task migration cache decay timeout: 1 msecs.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Booting processor 1/1 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... 1404.92 BogoMIPS
CPU: Before vendor init, caps: 0387fbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU serial number disabled.
CPU: After vendor init, caps: 0383fbff 00000000 00000000 00000000
Intel machine check reporting enabled on CPU#1.
CPU: After generic, caps: 0383fbff 00000000 00000000 00000000
CPU: Common caps: 0383fbff 00000000 00000000 00000000
CPU1: Intel Pentium III (Coppermine) stepping 03
Total of 2 processors activated (2785.28 BogoMIPS).
ENABLING IO-APIC IRQs
Setting 2 in the phys_id_present_map
...changing IO-APIC physical APIC ID to 2 ... ok.
init IO_APIC IRQs
IO-APIC (apicid-pin) 2-0, 2-5, 2-9, 2-10, 2-11, 2-20, 2-21, 2-22, 2-23 not connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 21.
number of IO-APIC #2 registers: 24.
testing the IO APIC.......................
IO APIC #2......
.... register #00: 02000000
....... : physical APIC id: 02
.... register #01: 00178011
....... : max redirection entries: 0017
....... : PRQ implemented: 1
....... : IO APIC version: 0011
.... 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
01 001 01 0 0 0 0 0 1 1 39
02 001 01 0 0 0 0 0 1 1 31
03 001 01 0 0 0 0 0 1 1 41
04 001 01 0 0 0 0 0 1 1 49
05 000 00 1 0 0 0 0 0 0 00
06 001 01 0 0 0 0 0 1 1 51
07 001 01 0 0 0 0 0 1 1 59
08 001 01 0 0 0 0 0 1 1 61
09 000 00 1 0 0 0 0 0 0 00
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 001 01 0 0 0 0 0 1 1 69
0d 001 01 0 0 0 0 0 1 1 71
0e 001 01 0 0 0 0 0 1 1 79
0f 001 01 0 0 0 0 0 1 1 81
10 001 01 1 1 0 1 0 1 1 89
11 001 01 1 1 0 1 0 1 1 91
12 001 01 1 1 0 1 0 1 1 99
13 001 01 1 1 0 1 0 1 1 A1
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ17 -> 0:17
IRQ18 -> 0:18
IRQ19 -> 0:19
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 703.0053 MHz.
..... host bus clock speed is 100.0436 MHz.
checking TSC synchronization across 2 CPUs: passed.
Starting migration thread for cpu 0
Bringing up 1
CPU 1 IS NOW UP!
Starting migration thread for cpu 1
bad: scheduling while atomic!
Call Trace:
[<c01165f1>] schedule+0x3d/0x404
[<c0116c55>] wait_for_completion+0xb5/0x100
[<c01169fc>] default_wake_function+0x0/0x34
[<c01169fc>] default_wake_function+0x0/0x34
[<c0118036>] set_cpus_allowed+0x13a/0x15c
[<c01180a8>] migration_thread+0x50/0x32c
[<c0118058>] migration_thread+0x0/0x32c
[<c01054f1>] kernel_thread_helper+0x5/0xc
bad: scheduling while atomic!
Call Trace:
[<c01165f1>] schedule+0x3d/0x404
[<c0116c55>] wait_for_completion+0xb5/0x100
[<c01169fc>] default_wake_function+0x0/0x34
[<c01169fc>] default_wake_function+0x0/0x34
[<c0118036>] set_cpus_allowed+0x13a/0x15c
[<c01205a5>] ksoftirqd+0x51/0xe0
[<c0120554>] ksoftirqd+0x0/0xe0
[<c01054f1>] kernel_thread_helper+0x5/0xc

CPUS done 4294967295
Linux NET4.0 for Linux 2.4
[the rest cut out for briefness]

Kind regards,
Jurriaan
--
Approval was worse, in some ways, than disapproval,
because it meant you had something to lose.
Michelle West - The Uncrowned King
GNU/Linux 2.5.41 SMP/ReiserFS 2x1380 bogomips load av: 1.77 4.01 6.18
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