** Description changed:
Binary package hint: hddtemp
- httdtemp might cause unnecessary disk activity. It is important for
- laptop users to reduce unnecessary disk-activity because the harddrive
- head might be parked or the drive might be spun down.
+ httdtemp might cause unnecessary disk activity when running as a daemon.
+ It is important for laptop users to reduce unnecessary disk-activity
+ because the harddrive head might be parked or the drive might be spun
+ down.
IMHO hddtemp should not need to access the harddisk after starting up
unless configured for logging.
I'm seeing things like this when using btrace :
8,0 0 17274 253.028000000 6613 G R 0 + 0 [hddtemp]
8,0 0 17275 253.028000000 6613 P R [hddtemp]
8,0 0 17276 253.028000000 6613 I R 0 (85 06 20 00 d8 00 00 00
00 00 4f 00 c2 00 b0 00 ..) [hddtemp]
8,0 0 17277 253.028000000 6613 D R 0 (85 06 20 00 d8 00 00 00
00 00 4f 00 c2 00 b0 00 ..) [hddtemp]
8,0 0 17278 253.136000000 5915 C R (85 06 20 00 d8 00 00 00 00
00 4f 00 c2 00 b0 00 ..) [2]
8,0 0 17279 253.136000000 6613 G R 0 + 0 [hddtemp]
8,0 0 17280 253.136000000 6613 P R [hddtemp]
8,0 0 17281 253.136000000 6613 I R 512 (85 08 2e 00 d0 00 01 00
00 00 4f 00 c2 00 b0 00 ..) [hddtemp]
8,0 0 17282 253.136000000 6613 D R 512 (85 08 2e 00 d0 00 01 00
00 00 4f 00 c2 00 b0 00 ..) [hddtemp]
8,0 0 17283 253.144000000 0 C R (85 08 2e 00 d0 00 01 00 00
00 4f 00 c2 00 b0 00 ..) [2]
Steps to reproduce :
btrace howto:
http://ubuntuforums.org/showpost.php?p=3722850&postcount=374
This might be one of the contributors to the famous Load_Cycle_Count bug :
https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/17216
https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/59695
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hddtemp might cause unnecessary disk activity
https://bugs.launchpad.net/bugs/160621
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