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When running an md raid1 or raid10 with SATA disk devices behind a SAS controller, the kernel panics.

This is a known issue and is a follow up on https://bugzilla.novell.com/show_bug.cgi?id=813889. Since I was unable to reopen that one I opened this as a new bug.

I think I run into the same issue as is described by commit 5026d7a9b2f3eb1f9bda66c18ac6bc3036ec9020 from H. Peter Anvin:

md/raid1,5,10: Disable WRITE SAME until a recovery strategy is in place

I see such panics happening with 3.7.10-1.16 kernels (desktop, xen, ...)

Is this issue taken care of in a (future) maintenance update?




Reproducible: Always

Steps to Reproduce:
1. Create a raid10 or raid1 device
2. Access the device
3. wait for kernel panic
Actual Results:  
System hangs because of kernel panic

Expected Results:  
A stable system