Rafael J. Wysocki wrote: > On Tuesday, 23 October 2007 01:00, Gabriel C wrote: >> Rafael J. Wysocki wrote: >>> On Monday, 22 October 2007 18:15, Gabriel C wrote: >>>> Hi all , >>>> >>>> I'm running current git + aic7xxx suspend patch from http://bugzilla.kernel.org/show_bug.cgi?id=3062 >>>> on a Dell Precision WorkStation 530 MT SMP box ( HT enabled ). >>>> >>>> Suspend works fine but on resume I have some problems. >>>> All CPU's but boot CPU won't come back , everything else seems fine. >>> Can you please try to disable HT and suspend? >> So only 'Hibernation' is enabled in kernel and HT disabled in BIOS ? >> >> If you mean that , sure I can try doing so. > > With suspend or hibernation enabled in the kernel, but with HT disabled in the > BIOS. Ok trying in some minutes. > >> I also could disable Suspend to RAM completly from BIOS as well if you want. > > No, that rather won't work. > >>>> ... >>>> >>>> Oct 22 15:02:28 lara [ 49.618795] Enabling non-boot CPUs ... >>>> Oct 22 15:02:28 lara [ 49.622211] PM: Adding info for No Bus:msr1 >>>> Oct 22 15:02:28 lara [ 49.622259] PM: Adding info for No Bus:cpu1 >>>> Oct 22 15:02:28 lara [ 49.622302] SMP alternatives: switching to SMP code >>>> Oct 22 15:02:28 lara [ 49.623536] Booting processor 1/1 eip 3000 >>>> Oct 22 15:02:28 lara [ 54.638093] Not responding. >>>> Oct 22 15:02:28 lara [ 54.638096] Inquiring remote APIC #1... >>>> Oct 22 15:02:28 lara [ 54.638099] ... APIC #1 ID: failed >>>> Oct 22 15:02:28 lara [ 54.638204] ... APIC #1 VERSION: failed >>>> Oct 22 15:02:28 lara [ 54.638307] ... APIC #1 SPIV: failed >>>> Oct 22 15:02:28 lara [ 54.638427] skipping cpu1, didn't come online >>>> Oct 22 15:02:28 lara [ 54.638602] PM: Removing info for No Bus:msr1 >>>> Oct 22 15:02:28 lara [ 54.638643] PM: Removing info for No Bus:cpu1 >>>> Oct 22 15:02:28 lara [ 54.638678] Error taking CPU1 up: -5 >>>> Oct 22 15:02:28 lara [ 54.640908] PM: Adding info for No Bus:msr2 >>>> Oct 22 15:02:28 lara [ 54.640939] PM: Adding info for No Bus:cpu2 >>>> Oct 22 15:02:28 lara [ 54.640976] SMP alternatives: switching to SMP code >>>> Oct 22 15:02:28 lara [ 54.641961] Booting processor 2/2 eip 3000 >>>> Oct 22 15:02:28 lara [ 59.656795] Not responding. >>>> Oct 22 15:02:28 lara [ 59.656799] Inquiring remote APIC #2... >>>> Oct 22 15:02:28 lara [ 59.656803] ... APIC #2 ID: failed >>>> Oct 22 15:02:28 lara [ 59.656907] ... APIC #2 VERSION: failed >>>> Oct 22 15:02:28 lara [ 59.657011] ... APIC #2 SPIV: failed >>>> Oct 22 15:02:28 lara [ 59.657131] skipping cpu2, didn't come online >>>> Oct 22 15:02:28 lara [ 59.657300] PM: Removing info for No Bus:msr2 >>>> Oct 22 15:02:28 lara [ 59.657343] PM: Removing info for No Bus:cpu2 >>>> Oct 22 15:02:28 lara [ 59.657379] Error taking CPU2 up: -5 >>>> Oct 22 15:02:28 lara [ 59.659605] PM: Adding info for No Bus:msr3 >>>> Oct 22 15:02:28 lara [ 59.659637] PM: Adding info for No Bus:cpu3 >>>> Oct 22 15:02:28 lara [ 59.659673] SMP alternatives: switching to SMP code >>>> Oct 22 15:02:28 lara [ 59.660725] Booting processor 3/3 eip 3000 >>>> Oct 22 15:02:28 lara [ 64.675517] Not responding. >>>> Oct 22 15:02:28 lara [ 64.675520] Inquiring remote APIC #3... >>>> Oct 22 15:02:28 lara [ 64.675524] ... APIC #3 ID: failed >>>> Oct 22 15:02:28 lara [ 64.675628] ... APIC #3 VERSION: failed >>>> Oct 22 15:02:28 lara [ 64.675731] ... APIC #3 SPIV: failed >>>> Oct 22 15:02:28 lara [ 64.675859] skipping cpu3, didn't come online >>>> Oct 22 15:02:28 lara [ 64.676017] PM: Removing info for No Bus:msr3 >>>> Oct 22 15:02:28 lara [ 64.676059] PM: Removing info for No Bus:cpu3 >>>> Oct 22 15:02:28 lara [ 64.676092] Error taking CPU3 up: -5 >>>> Oct 22 15:02:28 lara [ 64.676326] evxfevnt-0079 [00] enable : System is already in ACPI mode >>>> >>>> ... >>>> >>>> After I've played with a lot boot options I found out booting with ' acpi=ht ' will make the CPU's work again but now >>>> I have a problem on Suspend. Everything seems to just go down disks etc but the box itself is for some reason still on. >>>> So I've tested reboot=<> options with no luck. >>>> ( after waiting 5 minutes to be sure everything is really off I can just hit power button). On resume now everything is fine. >>>> >>>> I'm not really sure what is wrong here acpi/hibernation/cpu-hotplug or a mix of all so I'm CC'ing linux-acpi as well. >>>> The only thing I noticed is the 'Breaking affinity for irq XX' on suspend without acpi=ht messages. >>>> >>>> I can't even tell whatever other kernel versions are working because aic7xxx driver didn't got suspend support till now >>>> ( or at least never worked here ). I know suspend worked fine on windows with that box. >>>> >>>> There is my config and dmesg ( good and bad one ) : >>>> >>>> >>>> http://194.231.229.228/suspend/acpi=ht_working_dmesg.txt >>>> http://194.231.229.228/suspend/dmesg_broken_cpus_on_resume.txt >>>> http://194.231.229.228/suspend/config >>> Well, I think we have a problem with the CPU hotplug. >>> >>> Can you try to offline-online CPUs (without suspending) and see if that works? >> Yes does work when I do it manually : >> >> [ 6687.595842] CPU 1 is now offline >> [ 6687.711425] CPU 2 is now offline >> [ 6687.819330] CPU 3 is now offline >> [ 6687.819337] SMP alternatives: switching to UP code >> [ 6702.109605] SMP alternatives: switching to SMP code >> [ 6702.110634] Booting processor 1/1 eip 3000 >> [ 6702.122140] Initializing CPU#1 >> [ 6702.182045] Calibrating delay using timer specific routine.. 3989.26 BogoMIPS (lpj=1994633) >> [ 6702.182063] CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000 00004400 00000000 00000000 00000000 >> [ 6702.182085] CPU: Trace cache: 12K uops, L1 D cache: 8K >> [ 6702.182091] CPU: L2 cache: 512K >> [ 6702.182096] CPU: Physical Processor ID: 0 >> [ 6702.182102] CPU: After all inits, caps: bfebfbff 00000000 00000000 0000b080 00004400 00000000 00000000 00000000 >> [ 6702.182118] Intel machine check architecture supported. >> [ 6702.182130] Intel machine check reporting enabled on CPU#1. >> [ 6702.182137] CPU1: Intel P4/Xeon Extended MCE MSRs (12) available >> [ 6702.182143] CPU1: Thermal monitoring enabled >> [ 6702.183563] CPU1: Intel(R) Xeon(TM) CPU 2.00GHz stepping 07 >> [ 6702.184488] checking TSC synchronization [CPU#0 -> CPU#1]: passed. >> [ 6702.205500] Switched to high resolution mode on CPU 1 >> [ 6702.210400] SMP alternatives: switching to SMP code >> [ 6702.212196] Booting processor 2/2 eip 3000 >> [ 6702.222693] Initializing CPU#2 >> [ 6702.282950] Calibrating delay using timer specific routine.. 3988.88 BogoMIPS (lpj=1994443) >> [ 6702.282962] CPU: After generic identify, caps: 3febfbff 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> [ 6702.282974] CPU: Trace cache: 12K uops, L1 D cache: 8K >> [ 6702.282977] CPU: L2 cache: 512K >> [ 6702.282980] CPU: Physical Processor ID: 3 >> [ 6702.282983] CPU: After all inits, caps: 3febfbff 00000000 00000000 0000b080 00000000 00000000 00000000 00000000 >> [ 6702.282991] Intel machine check architecture supported. >> [ 6702.282998] Intel machine check reporting enabled on CPU#2. >> [ 6702.283001] CPU2: Intel P4/Xeon Extended MCE MSRs (12) available >> [ 6702.283005] CPU2: Thermal monitoring enabled >> [ 6702.283300] CPU2: Intel(R) XEON(TM) CPU 2.00GHz stepping 04 >> [ 6702.284296] checking TSC synchronization [CPU#1 -> CPU#2]: passed. >> [ 6702.305317] Switched to high resolution mode on CPU 2 >> [ 6702.312356] SMP alternatives: switching to SMP code >> [ 6702.313995] Booting processor 3/3 eip 3000 >> [ 6702.324511] Initializing CPU#3 >> [ 6702.384864] Calibrating delay using timer specific routine.. 3988.87 BogoMIPS (lpj=1994438) >> [ 6702.384875] CPU: After generic identify, caps: 3febfbff 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> [ 6702.384888] CPU: Trace cache: 12K uops, L1 D cache: 8K >> [ 6702.384891] CPU: L2 cache: 512K >> [ 6702.384894] CPU: Physical Processor ID: 3 >> [ 6702.384897] CPU: After all inits, caps: 3febfbff 00000000 00000000 0000b080 00000000 00000000 00000000 00000000 >> [ 6702.384905] Intel machine check architecture supported. >> [ 6702.384912] Intel machine check reporting enabled on CPU#3. >> [ 6702.384915] CPU3: Intel P4/Xeon Extended MCE MSRs (12) available >> [ 6702.384919] CPU3: Thermal monitoring enabled >> [ 6702.385146] CPU3: Intel(R) XEON(TM) CPU 2.00GHz stepping 04 >> [ 6702.386252] checking TSC synchronization [CPU#1 -> CPU#3]: passed. >> [ 6702.407259] Switched to high resolution mode on CPU 3 >> >> ... >> >> done with : >> for i in cpu1 cpu2 cpu3; do echo 0 >/sys/devices/system/cpu/$i/online; done >> >> for i in cpu1 cpu2 cpu3; do echo 1 >/sys/devices/system/cpu/$i/online; done > > Hm, well. > > Please apply the appended patch and then try: Ok will do right after I test with disabled HT > > # echo 8 > /proc/sys/kernel/printk > # echo 5 > /sys/power/pm_test_level > # echo mem > /sys/power/state > (should wait for approx. 3 sec. and return to the boot prompt) > # echo 4 > /sys/power/pm_test_level > # echo mem > /sys/power/state > (should wait for approx. 3 sec. and return to the boot prompt) > ... > # echo 1 > /sys/power/pm_test_level > # echo mem > /sys/power/state > (should wait for approx. 3 sec. and return to the boot prompt) > > and see if you can reproduce the problem and for which test level. > > [Echoing 0 to /sys/power/pm_test_level restores the normal behavior.] > > Greetings, > Rafael > > > --- > kernel/power/main.c | 75 ++++++++++++++++++++++++++++++++++++++++++++------- > kernel/power/power.h | 10 ++++++ > 2 files changed, 76 insertions(+), 9 deletions(-) > > Index: linux-2.6/kernel/power/main.c > =================================================================== > --- linux-2.6.orig/kernel/power/main.c > +++ linux-2.6/kernel/power/main.c > @@ -28,6 +28,46 @@ BLOCKING_NOTIFIER_HEAD(pm_chain_head); > > DEFINE_MUTEX(pm_mutex); > > +#ifdef CONFIG_PM_DEBUG > +int pm_test_level = TEST_NONE; > + > +static int suspend_test(int level) > +{ > + if (pm_test_level == level) { > + printk(KERN_INFO "suspend debug: Waiting for 3 seconds.\n"); > + mdelay(3000); > + return 1; > + } > + return 0; > +} > + > +static ssize_t pm_test_level_show(struct kset *kset, char *buf) > +{ > + return sprintf(buf, "%d\n", pm_test_level); > +} > + > +static ssize_t > +pm_test_level_store(struct kset *kset, const char *buf, size_t n) > +{ > + int val; > + > + if (sscanf(buf, "%d", &val) != 1) > + return -EINVAL; > + > + if (val < TEST_NONE || val > TEST_FREEZER) > + return -EINVAL; > + > + pm_test_level = val; > + > + return n; > +} > + > +power_attr(pm_test_level); > +#else /* !CONFIG_PM_DEBUG */ > +static inline int suspend_test(int level) { return 0; } > +#endif /* !CONFIG_PM_DEBUG */ > + > + > #ifdef CONFIG_SUSPEND > > /* This is just an arbitrary number */ > @@ -133,7 +173,10 @@ static int suspend_enter(suspend_state_t > printk(KERN_ERR "Some devices failed to power down\n"); > goto Done; > } > - error = suspend_ops->enter(state); > + > + if (!suspend_test(TEST_CORE)) > + error = suspend_ops->enter(state); > + > device_power_up(); > Done: > arch_suspend_enable_irqs(); > @@ -164,16 +207,25 @@ int suspend_devices_and_enter(suspend_st > printk(KERN_ERR "Some devices failed to suspend\n"); > goto Resume_console; > } > + > + if (suspend_test(TEST_DEVICES)) > + goto Resume_devices; > + > if (suspend_ops->prepare) { > error = suspend_ops->prepare(); > if (error) > goto Resume_devices; > } > + > + if (suspend_test(TEST_PLATFORM)) > + goto Finish; > + > error = disable_nonboot_cpus(); > - if (!error) > + if (!error && !suspend_test(TEST_CPUS)) > suspend_enter(state); > > enable_nonboot_cpus(); > + Finish: > if (suspend_ops->finish) > suspend_ops->finish(); > Resume_devices: > @@ -240,12 +292,17 @@ static int enter_state(suspend_state_t s > printk("done.\n"); > > pr_debug("PM: Preparing system for %s sleep\n", pm_states[state]); > - if ((error = suspend_prepare())) > + error = suspend_prepare(); > + if (error) > goto Unlock; > > + if (suspend_test(TEST_FREEZER)) > + goto Finish; > + > pr_debug("PM: Entering %s sleep\n", pm_states[state]); > error = suspend_devices_and_enter(state); > > + Finish: > pr_debug("PM: Finishing wakeup.\n"); > suspend_finish(); > Unlock: > @@ -363,18 +420,18 @@ pm_trace_store(struct kset *kset, const > } > > power_attr(pm_trace); > +#endif /* CONFIG_PM_TRACE */ > > static struct attribute * g[] = { > &state_attr.attr, > +#ifdef CONFIG_PM_TRACE > &pm_trace_attr.attr, > +#endif > +#ifdef CONFIG_PM_DEBUG > + &pm_test_level_attr.attr, > +#endif > NULL, > }; > -#else > -static struct attribute * g[] = { > - &state_attr.attr, > - NULL, > -}; > -#endif /* CONFIG_PM_TRACE */ > > static struct attribute_group attr_group = { > .attrs = g, > Index: linux-2.6/kernel/power/power.h > =================================================================== > --- linux-2.6.orig/kernel/power/power.h > +++ linux-2.6/kernel/power/power.h > @@ -211,3 +211,13 @@ static inline int pm_notifier_call_chain > return (blocking_notifier_call_chain(&pm_chain_head, val, NULL) > == NOTIFY_BAD) ? -EINVAL : 0; > } > + > +/* Suspend test levels */ > +enum { > + TEST_NONE, > + TEST_CORE, > + TEST_CPUS, > + TEST_PLATFORM, > + TEST_DEVICES, > + TEST_FREEZER > +}; > _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
