Messages in this thread | | | Date | Thu, 25 Nov 2010 10:57:04 +0100 | From | Milan Broz <> | Subject | Re: data corruption with stex (Promise HW-Raid) driver and device-mapper |
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On 11/16/2010 02:35 AM, Ed Lin - PTU wrote: > The stex driver sets sg_tablesize as 32 (for st_yel it's 38) in the probe > entry. It seems that this value was overridden by the system if using > dm/lvm, for unknown reason. The driver received requests with more > sg items than registered. Sg item number could be as high as 64. This > is completely unexpected. The firmware could not handle such > requests, and error occurred.
Device-mapper respects hw restrictions, so it must be bug somewhere.
Please cc dm-devel if you think that problem is there.
Milan
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