On Fri, 2010-11-19 at 20:26 +0100, Markus Schulz wrote: > Package: linux-2.6 > Version: 2.6.32-27 > Severity: critical > Tags: d-i upstream > Justification: causes serious data loss > > any use of the stex.ko promise hw-raid controller driver with a > device-mapper layer produces data corruption (or filesystem corruption > like you can see in my dmesg). [...] > i've asked Ed Lin (Maintainer of stex.c from promise) on lkml and got the > following answer: > > > We found similar problem during test. > > > 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. [...]
This sounds similar to bug #604457, which should be fixed in version 2.6.32-29 (now in testing). Can you check whether that version fixes the bug? Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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