[Resolved] Ath9k driver, machine freezing after brief period on wifi

I'm new to ArchLinux, and having a rough time with the install. I'm able to boot off of my usb, and begin configuring things, but it's not allowing me to be connected to my wifi. It lets me connect, and one attempt actually lasted for about half an hour, but it always eventually freezes and requires a hard reboot. The output to the screen, or dmesg, always contains "DMA failed to connect after 10 ms" and "Could not stop RX", which seem to be fairly common errors with this driver, with no clear solution. More specifically, I'm able to associate, but when I ask for an IP address these errors begin happening, eventually resulting in the system freezing. I'm not even sure how to debug something like this. Any help at all would be very appreciated.
Last edited by jaredwindover (2013-09-04 23:57:26)

I'm not really sure what information I should be including (though there is no doubt information lacking), but here's a followup. I managed to tether through my tablet to get the base packages installed and grub configured, so I'm now booting properly. My shell comes up but when I try to set up a wifi connection the problem persists.
If I type
dmesg -w
in one terminal, switch to another, type
wifi-menu
select my network and enter my password (wpa2), and then watch the output of dmesg, it looks like:
ath: phy0: Failed to stop TX DMA, queues=0x004!
ath: phy0: Failed to stop TX DMA, queues=0x004!
ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020 DMADBG_7=0x00006040
ath: phy0: Could not stop RX, we could be confusing the DMA engine when we start RX up
I'm really eager to continue experimenting with arch, but it seems somewhat pointless to work on installing a desktop environment if I can't configure a wifi connection. Is it possible that the current version of arch just won't work with my wireless adapter (DWA-552)? Would I be further ahead to restart with a more beginner friendly version of linux and see if it will support my wireless card? I`m starting to feel like quite a noob

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Hardwareoverzicht:
Modelnaam: iMac
Modelaanduiding: iMac8,1
Processornaam: Intel Core 2 Duo
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Bussnelheid: 1,07 GHz
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SMC-versie (systeem): 1.30f1

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TRACE_16: Exit
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TRACE_16: Exit
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.OracleSql getSqlBytes
TRACE_30: return: [B@289d2e
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.OracleSql getSqlBytes
TRACE_30: Exit
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getServerCharSetId
TRACE_16: Enter:
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getServerCharSetId
TRACE_16: return: 178
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getServerCharSetId
TRACE_16: Exit
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getNCharSetId
TRACE_16: Enter:
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getNCharSetId
TRACE_16: return: 2000
Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getNCharSetId
TRACE_16: Exit
DDL TABLE A*
CREATE TABLE "TABLE_A"
(     "ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(50 BYTE) NOT NULL ENABLE,
     "TYPE" NUMBER NOT NULL ENABLE,
     "VERSION" VARCHAR2(30 BYTE) NOT NULL ENABLE,
     "ISIMPLIED" NUMBER(1,0),
     CONSTRAINT "TABLE_A_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ENABLE
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
CREATE UNIQUE INDEX "TABLE_A_NAME_UNIQ" ON "TABLE_A" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
CREATE UNIQUE INDEX "TABLE_A_PK" ON "TABLE_A" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
DDL Table B:_
CREATE TABLE "TABLE_B"
(     "ID" NUMBER NOT NULL ENABLE,
     "TABLE_A_ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(50 BYTE) NOT NULL ENABLE,
     "URL" VARCHAR2(2000 BYTE) NOT NULL ENABLE,
     "ISACTIVE" NUMBER(1,0) NOT NULL ENABLE,
     CONSTRAINT "TABLE_B_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ENABLE,
     CONSTRAINT "TABLE_A_FK" FOREIGN KEY ("TABLE_A_ID")
     REFERENCES "TABLE_A" ("ID") ON DELETE CASCADE ENABLE
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
CREATE UNIQUE INDEX "TABLE_B_NAME_UNIQ" ON "TABLE_B" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
CREATE UNIQUE INDEX "TABLE_B_PK" ON "TABLE_B" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "APPDATA" ;
Comments*_
After line: Dec 27, 2012 11:33:38 AM oracle.jdbc.driver.DBConversion getNCharSetId TRACE_16: Exit the driver freeze.
I can see on DB that query keep INACTIVE and oracle driver doesn't throws any exception.
My Oracle version is 11.2.0.1.0 and as well as oracle driver, I also tried use the version 11.2.0.3.0 but the problem persists.
More facts:
If I remove or replace by another field the clause order by TABLE_A_ID from query the query works.
In this case, I have two recods on TABLE_B with TABLE_A_ID equals 2, if I remove one of these records the query works.
The bug happens only one specific machine where the number of routers is bigger than another machine that works with all possible scenarios.
Edited by: 978737 on Dec 27, 2012 12:11 PM

Mac freezes after 10 minutes, hard drive and sata cable replaced

MacBook Pro (MacBook Pro 15" Unibody 2.53 GHz Mid 2009) froze about a month ago. Computer would get slow and then just stop responding. Wouldn't even respond to force quit commands. Press and hold power button only way to free it up.
Directory Scan, Volume Structure failed. Bad Blocks.
Purchased new hard drive (Western Digital Blue 320 GB Mobile Hard Drive: 2.5 Inch, 5400 RPM, SATA II, 8 MB Cache) and replaced. Try restore from time machine, fails - freezes up with about 20 minutes remaining to finish.
Got a USB SATA cable (external) and new SATA cable (internal) for computer.
The drive and computer work fine when connected via external USB. Ran Apple Harware Test (ok), reset NVRAM, all software is up to date.
I replaced SATA cable in computer and tried drive internal - same problems. Still freezes after working for just a short while.
So to sum it up, new drive works via external USB but not when installed internally.
Any ideas what it could be? Did I buy the wrong drive? Do I have two bad SATA cables? Something else entirely?
Thanks! Mike

On you picture going from right to left. the cables are/WIFI/Optical Drive/Hard Drive/ Battery. What you have circled is the cable for the Hard Drive. Sometimes you can have a little extra tape on the connector. I would not use it as a grab point to remove an reseat the cable. You would want to carefully pull the cable loose and make sure there is no separation in it and then reseat it. I cannot see your hard drive in the picture,so I do not know if you have the sata or ssd drive. If it is the sata drive ,do you hear any light clicking noise when you startup? This would mean that you have possible drive damage. If you have a ssd drive (solid state drive) it is not possible to damage the drive by jarring it as there are no moving parts. Make sure all connection cables are fully seated. Include reseating of memory. If in recovery/utilities/disk utilities/ your startup volume does not show, that is problematic.There is single user and SMC reset. after that I do not know what to advise.https://support.apple.com/en-us/HT201295 https://support.apple.com/en-us/HT203176

I just got a new MacBook Pro, and I tried to bring across my files from my last mac using time machine. After it was done copying I can't find my files anywhere but the space (about 130gb) has been used on my hard drive. Help please!!

I just got a new MacBook Pro, and I tried to bring across my files from my last mac using time machine. After it was done copying I can't find my files anywhere but the space (about 130gb) has been used on my hard drive. Does anyone know how I can get to them? I did change my user name from 'user' while it was copying, could this have something to do with it?

You don't want to do that by copying.
Your best bet, by far, is to use Setup Assistant. If your Mac is running Snow Leopard, see Using Setup Assistant on Snow Leopard or Leopard.
If it came with Lion, it's a bit different: Using Setup Assistant on Lion

Time Machine freezes during back up to Passport Ext drive

Time Machine freezes during first back up to My Passport Ext drive. It is a 1TB, and seems to keep stopping at 6 to 10GB stage so never actually backs up. I have excluded files to limit first backup to about 40GB.

you sure this is a Mac Pro and not a MacBook Pro first. Most every report of issues with bus powered like Passport are best solved using a drive case with its own power instead.

[Resolved] Ath9k driver, machine freezing after brief period on wifi

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