Red Hat Bugzilla – Bug 467143
qps and other QT apps access unmounted HDDs
Last modified: 2009-07-14 10:28:22 EDT
Description of problem:
NOTE: I'm filing this bug report against qps, because that's the app that first exhibited the behavior, but the problem is not confined to qps; feel free to change the target Component.
After recent updates: qps (especially) and other QT-based apps exhibit excessive read/write access to unmounted hard disk drives. This prevents HDD spin-down and frequently results in high levels of random (unmounted) HDD I/O. All above as reported by gkrellm, iotop, and other monitoring utilities.
I'm deeply concerned that the OS/app(s) is writing to the unmounted HDD, but so far have not seen any damage to the data on the unmounted HDD.
This behavior is NOT present on F8 XFCE4 Live install with qps and qt4[-x11] and unmounted HDD, and was NOT present on F9 until recent updates.
Version-Release number of selected component (if applicable):
Random. Please advise.
Steps to Reproduce:
1. Fully update to latest F9 and KDE4 suite, plus qps.
2. Let run for a while with an unmounted HDD.
3. Observe HDD read/write access to unmounted HDD as reported by gkrellm, iotop, and/or other monitoring utilities.
Random read/write access to unmounted HDD(s).
Unmounted HDDs are not accessed, especially writes.
Upon request. Please advise.
See also: http://forums.fedoraforum.org/showthread.php?t=201499
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