bugGNU FreeIPMI - Bugs: bug #8364, race condition in sensors?

 
 

bug #8364: race condition in sensors?

Submitter:  Albert Chu <chu11>
Submitted:  Tue 30 Mar 2004 02:05:58 AM UTC
   
 
Category:  sensors Severity:  4 - Important
Priority:  5 - Normal Item Group:  fish exception
Status:  Fixed Privacy:  Public
Assigned to:  ab Open/Closed:  Closed
Operating System:  None
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Tue 30 Mar 2004 02:18:25 AM UTC, comment #1: 

All these NULLP exceptions are because of data conversion between Guile and C core. They are fixed in current CVS repository. -- Anand Babu

Anand Babu Periasamy <ab>
Group administrator
Tue 30 Mar 2004 02:05:58 AM UTC, original submission:  

When executing sensors group commands over a remote shell utility (pdsh is used below), a fish error is generated most of the time.  On occassion though, it suceeds without an error.  This smells like a race to me.

The following is a sequence of three consecutive attempts.   1 of the 3 succeeded without a crash.  Generally, I have seen around 10% suceed without a crash.


tdevi|/home/achu/code/freeipmi-utils 57>pdsh -w "etdev2" /usr/sbin/sensors -g Temperature
etdev2: 26: Mem Bd 1 Temp (Temperature): 33.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 27: Mem Bd 2 Temp (Temperature): 31.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 28: I/O Bd Temp 1 (Temperature): 36.00 C (low=10.00/nom=46.00/high=54.00) [OK]
etdev2: 29: I/O Bd SIOH Temp (Temperature): 40.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 30: I/O Bd Temp 3 (Temperature): 37.00 C (low=10.00/nom=49.00/high=57.00) [OK]
etdev2: 31: Proc Bd Amb Temp (Temperature): 28.00 C (low=10.00/nom=25.00/high=38.00) [OK]
etdev2: 32: Proc Bd SNC Temp (Temperature): 46.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 44: Proc 1 Temp (Temperature): 60.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 45: Proc 2 Temp (Temperature): 62.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 46: Proc 3 Temp (Temperature): 63.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 47: Proc 4 Temp (Temperature): 65.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 52: HSC SCSI BP Temp (Temperature): 0.00 C (low=12.00/nom=28.00/high=38.00) [ALERT]
etdev2:
etdev2: wrong-type-arg(append Wrong type argument (expecting ~A): ~S (NULLP #<freed cell 0x2000000004b00590; GC missed a reference>) #\f)No backtrace available.
etdev2: >>--:>  >>--:>  >>--:> >>--:>
etdev2:
etdev2: ~ ~   Cat ate the fish!!  ~ ~
etdev2: >>--:>  >>--:>  >>--:> >>--:>
etdev2: Fish Exception (gh_standard_handler dump):
etdev2: tag        :
etdev2: throw args :
etdev2: data       : [/usr/sbin/sensors]


tdevi|/home/achu/code/freeipmi-utils 58>pdsh -w "etdev2" /usr/sbin/sensors -g Temperature
etdev2: 26: Mem Bd 1 Temp (Temperature): 33.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 27: Mem Bd 2 Temp (Temperature): 31.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 28: I/O Bd Temp 1 (Temperature): 36.00 C (low=10.00/nom=46.00/high=54.00) [OK]
etdev2: 29: I/O Bd SIOH Temp (Temperature): 40.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 30: I/O Bd Temp 3 (Temperature): 37.00 C (low=10.00/nom=49.00/high=57.00) [OK]
etdev2: 31: Proc Bd Amb Temp (Temperature): 28.00 C (low=10.00/nom=25.00/high=38.00) [OK]
etdev2: 32: Proc Bd SNC Temp (Temperature): 46.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 44: Proc 1 Temp (Temperature): 60.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 45: Proc 2 Temp (Temperature): 62.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 46: Proc 3 Temp (Temperature): 63.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 47: Proc 4 Temp (Temperature): 65.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 52: HSC SCSI BP Temp (Temperature): 0.00 C (low=12.00/nom=28.00/high=38.00) [ALERT]


tdevi|/home/achu/code/freeipmi-utils 59>pdsh -w "etdev2" /usr/sbin/sensors -g Temperature
etdev2: 26: Mem Bd 1 Temp (Temperature): 33.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 27: Mem Bd 2 Temp (Temperature): 31.00 C (low=10.00/nom=33.00/high=45.00) [OK]
etdev2: 28: I/O Bd Temp 1 (Temperature): 36.00 C (low=10.00/nom=46.00/high=54.00) [OK]
etdev2: 29: I/O Bd SIOH Temp (Temperature): 40.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 30: I/O Bd Temp 3 (Temperature): 37.00 C (low=10.00/nom=49.00/high=57.00) [OK]
etdev2: 31: Proc Bd Amb Temp (Temperature): 28.00 C (low=10.00/nom=25.00/high=38.00) [OK]
etdev2: 32: Proc Bd SNC Temp (Temperature): 46.00 C (low=10.00/nom=55.00/high=95.00) [OK]
etdev2: 44: Proc 1 Temp (Temperature): 60.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 45: Proc 2 Temp (Temperature): 62.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 46: Proc 3 Temp (Temperature): 63.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 47: Proc 4 Temp (Temperature): 65.00 C (low=10.00/nom=85.00/high=105.00) [OK]
etdev2: 52: HSC SCSI BP Temp (Temperature): 0.00 C (low=12.00/nom=28.00/high=38.00) [ALERT]
etdev2:
etdev2: wrong-type-arg(append Wrong type argument (expecting ~A): ~S (NULLP #<freed cell 0x2000000004b00590; GC missed a reference>) #\f)No backtrace available.
etdev2: >>--:>  >>--:>  >>--:> >>--:>
etdev2:
etdev2: ~ ~   Cat ate the fish!!  ~ ~
etdev2: >>--:>  >>--:>  >>--:> >>--:>
etdev2: Fish Exception (gh_standard_handler dump):
etdev2: tag        :
etdev2: throw args :
etdev2: data       : [/usr/sbin/sensors]

Albert Chu <chu11>
Group administrator

 

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Follow 6 latest changes.

Date Changed by Updated Field Previous Value => Replaced by
2004-03-30 ab CategoryNone sensors
    Severity1 - Wish 4 - Important
    Item GroupNone fish exception
    StatusNone Fixed
    Assigned toNone ab
    Open/ClosedOpen Closed

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