Re: [gentoo-user] X Freezes With Firefox on Many Post 2.6.38 Kernels

[Dale <rdalek1967@gmail.com>]

Michael Mol wrote:
> On Sat, Jul 30, 2011 at 8:03 AM, Peter Humphrey
> <peter@humphrey.ukfsn.org>  wrote:
>    
>> On Saturday 30 July 2011 11:17:52 Dale wrote:
>>
>>      
>>> What could have caused this?  Could it be a file system problem?  I
>>> don't think it is a physical failure since it is working now after
>>> giving it a fresh start.  I just don't get how this could have caused a
>>> kernel panic.  This is plain weird.
>>>        
>> One possibility is that, having now written to almost every location on the
>> disk, its controller has marked some faulty blocks that used to contain code
>> in the disk subsystem. If it was reading damaged data, there's no surprise
>> in anything that happened next!
>>      
> Well, except that it should have thrown some errors when the
> on-platter reed-solomon encoding didn't quite match.
>
> If the controller flagged some faulty blocks, it should show up via
> smartctl -A $DEVICE_NODE
>
>
>    


I did run the SMART test thing at least twice.  It never reported any 
problems.  This look OK:

root@fireball / # smartctl -A /dev/sdc
smartctl 5.40 2010-10-16 r3189 [x86_64-pc-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      
UPDATED  WHEN_FAILED RAW_VALUE
   1 Raw_Read_Error_Rate     0x000f   100   100   051    Pre-fail  
Always       -       0
   3 Spin_Up_Time            0x0007   081   081   011    Pre-fail  
Always       -       6510
   4 Start_Stop_Count        0x0032   100   100   000    Old_age   
Always       -       105
   5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail  
Always       -       0
   7 Seek_Error_Rate         0x000f   253   253   051    Pre-fail  
Always       -       0
   8 Seek_Time_Performance   0x0025   100   100   015    Pre-fail  
Offline      -       11324
   9 Power_On_Hours          0x0032   097   097   000    Old_age   
Always       -       15355
  10 Spin_Retry_Count        0x0033   100   100   051    Pre-fail  
Always       -       0
  11 Calibration_Retry_Count 0x0012   100   100   000    Old_age   
Always       -       0
  12 Power_Cycle_Count       0x0032   100   100   000    Old_age   
Always       -       105
  13 Read_Soft_Error_Rate    0x000e   100   100   000    Old_age   
Always       -       0
183 Runtime_Bad_Block       0x0032   100   100   000    Old_age   
Always       -       0
184 End-to-End_Error        0x0033   100   100   000    Pre-fail  
Always       -       0
187 Reported_Uncorrect      0x0032   100   100   000    Old_age   
Always       -       0
188 Command_Timeout         0x0032   100   100   000    Old_age   
Always       -       0
190 Airflow_Temperature_Cel 0x0022   074   069   000    Old_age   
Always       -       26 (Min/Max 23/28)
194 Temperature_Celsius     0x0022   074   068   000    Old_age   
Always       -       26 (Min/Max 23/30)
195 Hardware_ECC_Recovered  0x001a   100   100   000    Old_age   
Always       -       143830378
196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   
Always       -       0
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   
Always       -       0
198 Offline_Uncorrectable   0x0030   100   100   000    Old_age   
Offline      -       0
199 UDMA_CRC_Error_Count    0x003e   100   100   000    Old_age   
Always       -       0
200 Multi_Zone_Error_Rate   0x000a   100   100   000    Old_age   
Always       -       0
201 Soft_Read_Error_Rate    0x000a   100   100   000    Old_age   
Always       -       0

root@fireball / #

Dale

:-)  :-)