Re: SSD slowdown with 3.3.X?
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On 12-04-18 10:15 PM, Joe Ceklosky wrote: > All, > > Has anyone reported slowness using SSD's on kernel 3.3.X compiled > as 32-bit PAE with 16 Gigs of memory (I know I need to update to 64-bit > already, will do with Fedora 17)? > > I am see terrible r/w to an SSD using 3.3.2. When I boot the same machine > and SSD back in 3.2.15 all is fine. Double check which IO-scheduler the kernel is choosing. For SSDs, it is normally "noop", but I noticed "cfq" being chosen instead for some reason. find /sys -name scheduler|grep '/sd[a-z]/'|xargs cat -ml -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html