http://bugzilla.kernel.org/show_bug.cgi?id=6270
Summary: Toshiba Satellite (hyperthreaded P4) fails to resume
without 'noapic' - "Not enough cpus"
Kernel Version: 2.6.16
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
Distribution: SUSE Linux 10.1 Beta8 with vanilla 2.6.16 kernel
Hardware Environment:
Toshiba Satellite P10-554 Notebook.
Hyperthreaded Pentium 4.
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 2793.509
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
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 pbe cid xtpr
bogomips : 5595.70
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 2793.509
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
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 pbe cid xtpr
bogomips : 5586.31
Problem Description:
On both suspend to disk and suspend to ram, after waking up the system and
reloading the image, kernel panics with the line "kernel panic - not syncing:
Not enough cpus". I will attach an image of complete resume process.
Both suspend to disk and to ram work flawless when giving 'noapic' as boot
parameter.
Manually disabling and enabling CPU1 with writing values to /sys/devices/system/
cpu/cpu1/online works, too.
Steps to reproduce:
Boot with init=/bin/bash, mount /sys, swapon -a, echo disk/mem > /sys/power/
state, wake up system
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