Elliott Hughes
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6907891b1f
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You can't fsync(2) /dev/urandom...
...so don't even try. Doing so leads to this:
W/EntropyService( 1586): unable to load initial entropy (first boot?)
W/EntropyService( 1586): java.io.SyncFailedException: fsync failed: EINVAL (Invalid argument)
W/EntropyService( 1586): at java.io.FileDescriptor.sync(FileDescriptor.java:73)
W/EntropyService( 1586): at java.io.RandomAccessFile.write(RandomAccessFile.java:694)
W/EntropyService( 1586): at java.io.RandomAccessFile.write(RandomAccessFile.java:676)
W/EntropyService( 1586): at com.android.server.RandomBlock.toDataOut(RandomBlock.java:88)
W/EntropyService( 1586): at com.android.server.RandomBlock.toFile(RandomBlock.java:70)
W/EntropyService( 1586): at com.android.server.EntropyService.loadInitialEntropy(EntropyService.java:99)
W/EntropyService( 1586): at com.android.server.EntropyService.<init>(EntropyService.java:86)
W/EntropyService( 1586): at com.android.server.EntropyService.<init>(EntropyService.java:76)
W/EntropyService( 1586): at com.android.server.ServerThread.run(SystemServer.java:139)
W/EntropyService( 1586): Caused by: libcore.io.ErrnoException: fsync failed: EINVAL (Invalid argument)
W/EntropyService( 1586): at libcore.io.Posix.fsync(Native Method)
W/EntropyService( 1586): at libcore.io.BlockGuardOs.fsync(BlockGuardOs.java:39)
W/EntropyService( 1586): at java.io.FileDescriptor.sync(FileDescriptor.java:71)
W/EntropyService( 1586): ... 8 more
Change-Id: I598a9456eccec0ca087f1568d47b6b8e531de8a8
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2011-04-04 12:15:34 -07:00 |
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Joe Onorato
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8a9b22056b
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Switch the services library to using the new Slog
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2010-03-01 13:06:50 -08:00 |
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Dianne Hackborn
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bd0a81ff1c
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Work on issue #2163789: Way too much logging
Dr.No from mcleron.
Change-Id: Iaca2268684f83fe8757e64db0b0e047a19755311
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2009-10-04 14:48:47 -07:00 |
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Nick Kralevich
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2854254c2f
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Update RandomBlock to use RandomAccessFile. This helps
prevent certain unusual conditions from corrupting the
entropy file. (for example, if Android should happen to
crash while a write is in progress)
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2009-06-18 15:23:17 -07:00 |
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Nick Kralevich
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4fb256117c
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load entropy data at boot. Periodically write entropy data to disk.
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2009-06-18 11:00:19 -07:00 |
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