Re: oops on resume

From: "Brian J. Murrell" <brian@interlinx.bc.ca>
To: Dave Jones <davej@redhat.com>
Cc: cpufreq@www.linux.org.uk
Subject: Re: oops on resume
Date: Fri, 06 Aug 2004 18:10:28 -0400	[thread overview]
Message-ID: <1091830228.10552.170.camel@pc> (raw)
In-Reply-To: <20040806214403.GC30427@redhat.com>

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On Fri, 2004-08-06 at 22:44 +0100, Dave Jones wrote:
> 
> I have that locally.

Heh.  Yeah, I guess so.

> Can you add some debug printk's just before the cpufreq_scale() calls
> in time_cpufreq_notifier ?  I'd like to know what's being passed there.
> Might be worth a printk actually _in_ cpufreq_scale() too, to make
> sure the args are getting through ok.

Here it is:

Back to C!
zapping low mappings.
speedstep-lib: P4 - MSR_EBC_FREQUENCY_ID: 0x16300a16 0x0
FSB code = 0, msr_lo = 372247062
fsb = 100000
mult = 372247062
speedstep-lib: P4 - FSB 100000 kHz; Multiplier 22
pentium4_get_frequency() returns = 2200000
Warning: CPU frequency out of sync: cpufreq and timingcore thinks of 1200000, i.here we are in time_cpufreq_notifier 0
here we are in time_cpufreq_notifier 1
calling cpufreq_scale(2162688, 2200000, 2200000)
here we are in cpufreq_scale 0, old = 2162688, div = 2200000, mult = 2200000
calling do_div(4757913600000, 2200000)
here we are in cpufreq_scale 1, returning 2162688
calling cpufreq_scale(2193684, 2200000, 2200000)
here we are in cpufreq_scale 0, old = 2193684, div = 2200000, mult = 2200000
calling do_div(4826104800000, 2200000)
here we are in cpufreq_scale 1, returning 2193684
here we are in time_cpufreq_notifier 2, cpu_khz = 2193684
calling cpufreq_scale(1957878, 2200000, 2200000)
here we are in cpufreq_scale 0, old = 1957878, div = 2200000, mult = 2200000
calling do_div(4307331600000, 2200000)
here we are in cpufreq_scale 1, returning 1957878
here we are in time_cpufreq_notifier 3, fast_gettimeoffset_quotient = 1957878
here we are in set_cyc2ns_scale 0, cpu_mhz = 2193
here we are in time_cpufreq_notifier 4
here we are in time_cpufreq_notifier 5
divide error: 0000 [#1]
Modules linked in: parport_pc(U) lp(U) parport(U) autofs4(U) ds(U) yenta_socket)CPU:    0
EIP:    0060:[<02112032>]    Not tainted
EFLAGS: 00000202   (2.6.7-1.503custom)
EIP is at time_cpufreq_notifier+0x3b9/0x3c8
eax: 0233f4e8   ebx: 00000891   ecx: 0233d480   edx: 00000000
esi: 00000891   edi: 023029aa   ebp: 001ddff6   esp: 21162eb4
ds: 0068   es: 007b   ss: 0068
Process bash (pid: 4695, threadinfo=21162000 task=1ecde130)
Stack: 02302a77 e0f84e80 00000000 0233ccc0 21162ef0 00000008 00000004 0212c929
       21162ef0 21f6b684 023c1828 02291741 02324f4f 00124f80 002191c0 00000000
       00124f80 002191c0 0210ebc0 0235edb4 023548e0 0222c151 00000000 00000002
Call Trace:
 [<0212c929>] notifier_call_chain+0x17/0x2b
 [<02291741>] cpufreq_resume+0xa9/0xd1
 [<0210ebc0>] mtrr_restore+0x42/0x47
 [<0222c151>] sysdev_resume+0x55/0xa5
 [<0222f17c>] device_power_up+0x5/0xa
 [<021390ae>] suspend_enter+0x25/0x2d
 [<02139131>] enter_state+0x54/0x7f
 [<02139239>] state_store+0x84/0x99
 [<021391b5>] state_store+0x0/0x99
 [<021a56df>] subsys_attr_store+0x19/0x21
 [<021a5852>] flush_write_buffer+0x1d/0x22
 [<021a5879>] sysfs_write_file+0x22/0x35
 [<02160b77>] vfs_write+0xb6/0xe2
 [<02160c11>] sys_write+0x2c/0x42
Code: e8 71 ce 00 00 83 c4 0c 31 c0 5b 5e 5f 5d c3 55 bd a4 cc 33

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