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On 5/30/07, Tero Roponen <teanropo@jyu.fi> wrote: > Hmmm, I just found something interesting. In 2.6.21.3 the /sbin/init > gets corrupted when I watch the video! > > $ cp /sbin/init init.before > $ mplayer kiwi.flv > $ cp /sbin/init init.after > > The sha1sums are here: > > 52c8d643057619cbe137b8e69d4709ce3bdd832d init.after > 8efc7864a5b535a9e336fa82e9d7f112f3d956c1 init.before > > It seems that something corrupts memory somewhere... To debug this a bit further: $ od -a -t x1 -v init.after > init.after.dump $ od -a -t x1 -v init.before > init.before.dump $ diff -u init.before.dump init.after.dump | less -0011340 nul nul nul e9 f0 fe ff ff ff % < soh enq bs h 80 - 00 00 00 e9 f0 fe ff ff ff 25 3c 01 05 08 68 80 +0010000 y ack nul nul y ack nul nul y ack nul nul y ack nul nul + 79 06 00 00 79 06 00 00 79 06 00 00 79 06 00 00 +0010020 y ack nul nul y ack nul nul y ack nul nul y ack nul nul + 79 06 00 00 79 06 00 00 79 06 00 00 79 06 00 00 +0011340 y ack nul nul y ack nul nul ff % < soh enq bs h 80 + 79 06 00 00 79 06 00 00 ff 25 3c 01 05 08 68 80 The file at offset 0010000 - 0011348 is overwritten with the byte pattern 79 06 00 00. Do you see anything in the logs or is this a silent corruption? Did you see this corruption with 2.6.19 or 2.6.22-rc3? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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