How do I determine what alert causes a notification sound?

So I'm sitting here at my computer, and with some frequency. the alert sound plays. But there are no new e-mail messages in my mailbox, no new Facebook notifications, I didn't type something, it just happens. Is there any way I can find out what happened to trigger the alert sound?

Hey acmwallace,
You can see notifications you have recently received by going into the Notifications area. The upper right corner of your menu bar is where to go to look at these. See this article -
OS X Yosemite: See your notifications
Thanks for using Apple Support Communities.
Be well,
Brett L

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How do you determine what is causing a reoccurring kernel panic?

I need help trying to determine what is causing a reoccurring kernel panic.
Mon Oct 27 14:59:57 2014
panic(cpu 0 caller 0x235410): "zalloc: \"kalloc.8192\" (209 elements) retry fail 3, kfree_nop_count: 0"@/SourceCache/xnu/xnu-1504.15.3/osfmk/kern/zalloc.c:992
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x32513c78 : 0x21b837 (0x5dd7fc 0x32513cac 0x223ce1 0x0)
0x32513cc8 : 0x235410 (0x594ac8 0x593511 0xd1 0x3)
0x32513d68 : 0x22096a (0x33bf2d8 0x1 0x32513d98 0x0)
0x32513da8 : 0x2209aa (0x1698 0x1 0x32513dc8 0x2a45c9)
0x32513dc8 : 0x210703 (0x1698 0x246 0x32513e68 0x20ff8e)
0x32513df8 : 0x21db5d (0x10f8 0x0 0x1019b0 0x188bf3)
0x32513e38 : 0x210a86 (0xb65a900 0x0 0xb4dcce0 0x7646150)
0x32513e98 : 0x216f84 (0xb65a900 0x0 0x0 0x0)
0x32513f18 : 0x295914 (0x32513f44 0x0 0x0 0x0)
0x32513fc8 : 0x2a20f8 (0x5dde400 0x1 0x2a17ab 0x661c940)
BSD process name corresponding to current thread: mimiosys
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: iMac9,1 (Mac-F2218EA9)
System uptime in nanoseconds: 27253242200826
vm objects:4257220
kernel map entries:2514908
kalloc.32:1425408
kalloc.64:2306048
kalloc.128:1204224
kalloc.256:1478656
kalloc.2048:1331200
kalloc.8192:1712128
vm pages:19741128
ipc ports:25930128
threads:217364000
x86_64 saved state:63879264
uthreads:110016272
vnodes:3443220
HFS node:4908420
HFS fork:2076704
buf.8192:9682944
Kernel Stacks:1245184
PageTables:15859712
Kalloc.Large:3046980
unloaded kexts:
com.apple.driver.AirPortBrcm43xx 423.91.27 (addr 0xeeb000, size 0x1900544) - last unloaded 84747336727
loaded kexts:
com.apple.filesystems.udf 2.1.1 - last loaded 2901770802225
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AppleHDA 2.0.5f14
com.apple.driver.AppleMikeyDriver 2.0.5f14
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AudioAUUC 1.57
com.apple.driver.AppleBacklight 170.0.46
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.GeForce 6.3.6
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.driver.AirPortBrcm43224 428.42.4
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.nvenet 2.0.17
com.apple.driver.AppleUSBHub 4.2.4
com.apple.driver.AppleUSBOHCI 4.2.0
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.14
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.nvidia.nv50hal 6.3.6
com.apple.driver.DspFuncLib 2.0.5f14
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleHDAController 2.0.5f14
com.apple.iokit.IOHDAFamily 2.0.5f14
com.apple.NVDAResman 6.3.6
com.apple.iokit.IONDRVSupport 2.2.1
com.apple.iokit.IOGraphicsFamily 2.2.1
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.AppleUSBHIDKeyboard 141.5
com.apple.driver.AppleHIDKeyboard 141.5
com.apple.driver.AppleUSBHIDMouse 162
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.driver.AppleHIDMouse 162
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.IOAHCIFamily 2.0.6
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com.apple.iokit.IOUSBUserClient 4.2.4
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com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
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Visit The XLab FAQs and read the FAQ on diagnosing kernel panics.

How do I determine what is causing Screen pixilating and jumping on my G5

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Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do NOT click the Reset button on the Safe Mode start window or otherwise make changes.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
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*Create an allow Cookie Exception to keep such a cookie, especially for secure websites and if cookies expire when Firefox is closed.
*Tools > Options > Privacy > Cookies: Exceptions
In case you are using "Clear history when Firefox closes":
*do not clear Cookies
*do not clear Site Preferences
*Tools > Options > Privacy > Firefox will: "Use custom settings for history": [X] "Clear history when Firefox closes" > Settings
*https://support.mozilla.org/kb/Clear+Recent+History
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How Do I Determine What WUDFHost.exe is Doing and What It's Associated With?

Since around the time of the installation of Win 8.1 Update 1 I've had a couple of new WUDFHost.exe processes that run all the time. Today I saw one of them accessing data on a backup volume, which I assume was some kind of maintenance
activity - but I'm not sure.
My question is this:
How can I determine what these processes are doing, why they're here, and what they're associated with (i.e., what feature or device has caused them to be running). I don't suspect them of causing a specific problem - my system's running fine
- but I want to know why they're running.
Process Explorer shows them to have been started by these two command lines:
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-xxxx-xxxx-xxxx-be817523f6aa} -IoEventPortName:HostProcess-ae18c507-xxxx-xxxx-xxxx-ce7a84b73fb2 -SystemEventPortName:HostProcess-76f2d2b0-xxxx-xxxx-xxxx-25de41b0af65 -IoCancelEventPortName:HostProcess-52988628-xxxx-xxxx-xxxx-54018fc05bec
-NonStateChangingEventPortName:HostProcess-c981e37e-xxxx-xxxx-xxxx-a8bd344c5791 -ServiceSID:S-1-5-80-dddddddddd-dddddddddd-dddddddddd-dddddddddd-ddddddddd -LifetimeId:8472fac1-xxxx-xxxx-xxxx-680353bbbc7f -DeviceGroupId:WpdFsGroup
"C:\Windows\System32\WUDFHost.exe" -HostGUID:{193a1820-xxxx-xxxx-xxxx-be817523f6aa} -IoEventPortName:HostProcess-af2e6f5b-xxxx-xxxx-xxxx-39a9cc13f6d4 -SystemEventPortName:HostProcess-45e89330-xxxx-xxxx-xxxx-9e76811e37aa -IoCancelEventPortName:HostProcess-3007f65c-xxxx-xxxx-xxxx-c6cdd5617944
-NonStateChangingEventPortName:HostProcess-efca4373-xxxx-xxxx-xxxx-cfc06fd83dee -ServiceSID:S-1-5-80-dddddddddd-dddddddddd-dddddddddd-dddddddddd-ddddddddd -LifetimeId:f4aa6ef0-xxxx-xxxx-xxxx-d16f4eefddb2 -DeviceGroupId:WudfDefaultDevicePool
As you can see, their function isn't obvious from what's showing.
What tools can I used to delve further into what these are and why they're here?
Thanks for any help or wisdom you can offer.
-Noel
Detailed how-to in my eBooks:
Configure The Windows 7 "To Work" Options
Configure The Windows 8 "To Work" Options

seems to me that you're about to dive down a rabbit hole for this one..
http://en.wikipedia.org/wiki/User_Mode_Driver_Framework
http://msdn.microsoft.com/en-us/Library/Windows/Hardware/ff557565(v=vs.85).aspx
http://blogs.msdn.com/b/iliast/archive/2009/06/09/umdf-debugging-videos.aspx
might need to ask more in the driver dev forums?
Don
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This helps the community, keeps the forums tidy, and recognises useful contributions. Thanks!)

How can I determine what is the minimum SCN number I need to restore up to.

Say if I have a full database backup, I know I have file inconsistency, but I want to know what is the minimum time or SCN number a need to roll forward to in order to be able to open the database?
For example: I do a database restore.
restore database ;
RMAN> sql 'alter database open read only';
sql statement: alter database open read only
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of sql command on default channel at 03/16/2009 15:00:04
RMAN-11003: failure during parse/execution of SQL statement: alter database open read only
ORA-16004: backup database requires recovery
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/u01/oradata/p1/system01.dbf'
I need need to apply archive log files. All references I find for ORA-00194 state the solution is to "apply more logs until the file is consistent " But "HOW MANY LOGS", or more apporaite up to what time or SCN? How does one determine what TIME or SCN is required to get all file consistent?
I thought this query might provide the answer, but it doesn't
select max(checkpoint_change#)
from v$datafile_header
MAX(CHECKPOINT_CHANGE#)
7985876903
--It applies a bit more redo, but not enough to make my datafiles consistent.
recover database until SCN=7985876903 ;
Starting recover at 03/16/09 15:04:54
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
using channel ORA_DISK_4
using channel ORA_DISK_5
using channel ORA_DISK_6
using channel ORA_DISK_7
using channel ORA_DISK_8
starting media recovery
channel ORA_DISK_1: starting archive log restore to default destination
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=18436
channel ORA_DISK_1: reading from backup piece /temp-oracle/backup/hot/p1/20090315/hourly.arch_P1_47353_681538638_1
channel ORA_DISK_1: restored backup piece 1
piece handle=/temp-oracle/backup/hot/p1/20090315/hourly.arch_P1_47353_681538638_1 tag=TAG20090315T041716
channel ORA_DISK_1: restore complete, elapsed time: 00:02:26
archive log filename=/u01/app/oracle/flash_recovery_area/P1/archivelog/2009_03_16/o1_mf_1_18436_4vxd81yc_.arc thread=1 se quence=18436
Oracle Error:
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/u01/oradata/p1/system01.dbf'
I've discover I need to apply archive logs until this query reports all datafiles as FUZZY=NO , but this only works by guessing at some time periord to roll forward to, then checking the FUZZY column, and try again. Is there a way to know, I have to roll forward to a specific SNC in order for all my datafiles to be consistent?
select file#
     , status
     , checkpoint_change#
     , checkpoint_time
     , FUZZY
     , RECOVER
,LAST_DEALLOC_SCN
from v$datafile_header
order by checkpoint_time
Thanks,
Jason

The minimum point in time is the time when the last backup piece for datafiles in that backup was completed.
Your alert.log should show the redo log sequence number at that time.
You can query V$ARCHIVED_LOG and get the FIRST_CHANGE# of the first archivedlog generated after that backup piece completed.
A
LIST BACKUP;in RMAN should also show you the SCNs at the time of the backups.
You can also query SCN_TO_TIMESTAMP -- eg
select timestamp_to_scn(to_timestamp('15-MAR-09 09:24:01','DD-MON-RR HH24:MI:SS')) from dual;will return an approximation of the SCN.
Hemant K Chitale
http://hemantoracledba.blogspot.com
Edited by: Hemant K Chitale on Mar 17, 2009 9:41 AM
added the LIST BACKUP command from RMAN.

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On a Mac running v10.7.2, the only way to reinstall Safari is to reinstall OS X using OS X Recovery.
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How can I determine what computers are home sharing??

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If "Turn off Home Sharing ([accountname]) is listed as an option, the iTunes library that you have open is Home Sharing.

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Anthony_VZ
**If someones post has helped you, please acknowledge their assistance by clicking the red thumbs up button to give them Kudos. If you are the original poster and any response gave you your answer, please mark the post that had the answer as the solution**
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How do I determine what URL to use when launching to display a RH10 .htm page?

Hello,
We are implementing RoboHelp 10 for our online documentation and are sourcing it from Framemaker 11. I am trying to determine exactly what URL information the developers need to build for the launch to the specific IBM System i screen. Is anyone launching RoboHelp from a backend ERP system? If so, how did you determine what level to use when building the URL for that page? Thanks for any assistance you can provide.

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@petergrainge

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Hey there, I seem to have an issue with the 'other' usage thing.
On my computer and ipod, it shows like this:
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I am planning to switch to the "iPhone for Life Plan" with unlimited data. How do i determine what the balance is on my equipment installment plan?

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>> Personal information removed to comply with the Verizon Wireless Terms of Service <<
Edited by: Verizon Moderator

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If you're using the stock Apache, it's 1.3 on regular OS X. I think it's Apache 2 on OS X Server, but I'm not certain.
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Date: Mon, 02 Jul 2007 13:09:06 GMT
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How do I determine what alert causes a notification sound?

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