Bug 423499

Summary:	kernel 2.6.27-rc5-git2.5-pae: suspend to RAM does not work at all
Product:	[openSUSE] openSUSE 11.1	Reporter:	Forgotten User ZhJd0F0L3x <forgotten_ZhJd0F0L3x>
Component:	Kernel	Assignee:	Rafael Wysocki <rjw>
Status:	RESOLVED DUPLICATE	QA Contact:	E-mail List <qa-bugs>
Severity:	Normal
Priority:	P5 - None
Version:	Factory
Target Milestone:	---
Hardware:	Other
OS:	Other
Whiteboard:
Found By:	Development	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Forgotten User ZhJd0F0L3x 2008-09-05 05:38:01 UTC

Machine is a hp nc2400, which worked before (cannot say when it last worked, though).

Suspend works ;-) but upon resume, the machine hangs inside the kernel (i guess), no video, no keyboard, nothing.

Suspend to disk works fine.

Machine has intel graphics, but the i915 driver is not loaded automatically (have to investigate why).

Comment 1 Rafael Wysocki 2008-09-05 09:54:34 UTC

Hm, 2.6.27-rc5-git2.5-pae so it's 32-bit?  Did you try without PAE?

Also, what kind of a CPU is there in this box?

Comment 2 Forgotten User ZhJd0F0L3x 2008-09-05 10:59:18 UTC

kernel-default: not yet, will do so, soon.


The CPU is an ultra low voltage Pentium M:

seife@susi:~> cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 14
model name      : Genuine Intel(R) CPU           U1400  @ 1.20GHz
stepping        : 8
cpu MHz         : 800.000
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx constant_tsc arch_perfmon bts pni monitor vmx est tm2 xtpr
bogomips        : 2393.99
clflush size    : 64
power management:

Comment 3 Forgotten User ZhJd0F0L3x 2008-09-05 11:44:34 UTC

kernel-default fails the same. "nolapic" helps on both kernels, however, i get "irq 10 nobody cared" and hence no USB and no sound with that ;-) "nolapic" does not help. It is not related to framebuffer etc.

To be honest, I am not sure when this worked the last time on this machine. I will verify this once I got my original machine repaired, then I will install old kernels / distributions on this one.

Comment 4 Rafael Wysocki 2008-09-05 13:17:52 UTC

(In reply to comment #3 from Stefan Seyfried)
> kernel-default fails the same. "nolapic" helps on both kernels, however, i
> get "irq 10 nobody cared" and hence no USB and no sound with
> that ;-) "nolapic" does not help.

Er, either it helps or it doesn't, it can't do both at the same time. ;-)

Did you want to say that "noapic" helps?

Comment 5 Forgotten User ZhJd0F0L3x 2008-09-05 14:17:09 UTC

Ahem. Yes.

nolapic helps
noapic does not help.

Comment 6 Forgotten User ZhJd0F0L3x 2008-09-26 10:26:52 UTC

it looks like the "nohz=off" fix is also good for this one (have not tried current HEAD) => duplicate 

*** This bug has been marked as a duplicate of bug 427052 ***