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On Mon, Sep 13 2004, C.Y.M. wrote: > After installing 2.6.9-rc2 on my PC today (x86 VIA Chipset motherboard and > Athlon XP CPU), The IDE detection during boot in probing for ide2-5 and > displaying errors, and the hard drives that it does find are telling me that > "hda: cache flushes not supported" (when they are displayed as supported > when using 2.6.9-rc1. Your drive doesn't advertise FLUSH_CACHE support, the model for when we use these commands changed between -rc1 and -rc2. This essentially means that you have to turn off write back caching for safe operations on a journalled drive. Alan, I bet there are a lot of these. Maybe we should consider letting the user manually flag support for FLUSH_CACHE, at least it is in their hands then. -- Jens Axboe - 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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