version 1.56, 2017/03/28 06:41:18 |
version 1.57, 2017/06/26 17:18:57 |
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<font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font> |
<font color="#009000"><strong>015: RELIABILITY FIX: April 4, 2010</strong></font> |
<i>All architectures</i><br> |
<i>All architectures</i><br> |
When updating sensors showing the state of RAID volumes |
When updating sensors showing the state of RAID volumes |
<a href="http://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a> |
<a href="https://man.openbsd.org/OpenBSD-4.5/mpi.4">mpi(4)</a> |
allocates temporary memory and then returns it to the kernel as |
allocates temporary memory and then returns it to the kernel as |
device memory. |
device memory. |
This causes kernel memory usage to be misrepresented, eventually |
This causes kernel memory usage to be misrepresented, eventually |
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On very high system load, an audio interrupt may occur while the |
On very high system load, an audio interrupt may occur while the |
audio process is filling audio ring buffers. This triggers bogus |
audio process is filling audio ring buffers. This triggers bogus |
(and useless) correction code in the |
(and useless) correction code in the |
<a href="http://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a> |
<a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a> |
driver causing the audio application to go out of sync, and in turn causing |
driver causing the audio application to go out of sync, and in turn causing |
continuous stuttering until the application is restarted. |
continuous stuttering until the application is restarted. |
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<font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font> |
<font color="#009000"><strong>004: RELIABILITY FIX: April 24, 2009</strong></font> |
<i>All architectures</i><br> |
<i>All architectures</i><br> |
In server mode when in full-duplex mode (the default) |
In server mode when in full-duplex mode (the default) |
<a href="http://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a> |
<a href="https://man.openbsd.org/OpenBSD-4.5/aucat.1">aucat(1)</a> |
will send each synchronization message twice, causing client applications |
will send each synchronization message twice, causing client applications |
to think that buffer underruns are occuring. Depending on the |
to think that buffer underruns are occuring. Depending on the |
application, this may cause the sound to stutter. |
application, this may cause the sound to stutter. |
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When DMA'able memory is mapped by device drivers, the |
When DMA'able memory is mapped by device drivers, the |
mapping flags and protection are partially uninitialized. |
mapping flags and protection are partially uninitialized. |
Depending on the calling context, this may cause devices to misbehave, like |
Depending on the calling context, this may cause devices to misbehave, like |
<a href="http://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a> |
<a href="https://man.openbsd.org/OpenBSD-4.5/audio.4">audio(4)</a> |
to stutter, but other anomalies might be observed for other |
to stutter, but other anomalies might be observed for other |
device types. |
device types. |
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