Messages in this thread | ![/](/images/icornerl.gif) | | From | Neil Brown <> | Date | Wed, 12 Mar 2003 14:37:29 +1100 | Subject | Re: bio too big device |
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On Tuesday March 11, scott-kernel@thomasons.org wrote: > I frequently receive this message in my syslog, apparently > whenever there are periods of significant write activity: > > bio too big device ide0(3,7) (256 > 255) > bio too big device ide1(22,6) (256 > 255) > > It's worth noting that on this system I have had ongoing trouble > with system stability during write activity as well, using a > wide variety of 2.5.x kernels, even though at the time of this > symptom things are apparently running fine. > > Filesystems are all ext3 on top soft raid0 devices. This happens > to be 2.5.64, but it has been happening for at least the last > 5-6 versions. > > Ideas? Any further debugging output I can provide?
raid0 doesn't really work well in 2.5 yet.... as you have noticed.
We really need to grab the bio splitting code out of md/dm.c and use it to split bios that are too big or that cross device boundaries.
any volunteers??
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