On 02/20/2008 11:48 AM, James Bottomley wrote: > On Tue, 2008-02-19 at 10:22 -0600, James Bottomley wrote: >> I'll see if I can come up with patches to fix this ... or at least >> mitigate the problems it causes. > > Darrick's working on the ascb sequencer use after free problem. > > I looked into some of the error handling in libsas, and apparently > that's a bit of a huge screw up too. There are a number of places where > we won't complete a task that is being errored out and thus causes > timeout errors. This patch is actually for libsas to fix all of this. > > I've managed to reproduce some of your problem by firing random resets > across a disk under load, and this recovers the protocol errors for me. > However, I can't reproduce the TMF timeout which caused the sequencer > screw up, so you still need to wait for Darrick's fix as well. > > James > Hi James, Darrick, Thanks again for looking more into this. I'll wait for Darrick's patch and try it together with this libsas patch. Should I leave James' first patch in also? I'm still looking for a Dell machine to use, and will upgrade the drives' firmware the first chance I get. Thanks again, --Keith - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
