Messages in this thread |  | | Date | Wed, 12 Mar 2003 09:30:47 +0100 | From | Jens Axboe <> | Subject | Re: bio too big device |
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On Wed, Mar 12 2003, Neil Brown wrote: > 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??
I can give it a shot
-- Jens Axboe
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