Any chance you can capture a vmcore (kernel only pages), I will provide an upload location. Thanks Laurence On Tue, Apr 14, 2015 at 5:16 PM, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 2015-04-14 at 14:03 -0700, Adam Talbot wrote: >> To make a very long debugging story short, I think there is an issues/bug >> with the mvsas driver. It works, with older kernels, and breaks on >> newer kernels. >> >> My Debian Jessie system was running great on a 3.18 kernel. Changed >> cases to a newer supermicro case with a SAS expander backplane (SAS933EL). That >> was the only hardware change. Now, when ever I boot, the system kernel panics. >> >> 3.2.65-1+deb7u2 works >> 3.9.0 Gentoo CD works >> 3.16+ all fail >> Attached are 3 kernel panics on 3.16+ kernels. >> >> Motherboard is a Supermicro X8SIE, with a "Marvell Technology Group Ltd. >> 88SE6440 SAS/SATA PCIe controller" >> >> Is this a known bug? > > Well, you're the only person that's reported it so far. > > I think based on the above is that your configuration is a single > expander attached SATA device ... and if you move it to be non expander > attached it works fine? > >> At this point I have two options: >> Stick with the old kernel (yuck) >> Buy a new card running a better supported chipset >> >> Any help would be greatly appreciated >> Thanks > > You didn't specify: does 3.15 work? At least the highest working kernel > version would help me narrow down potential problems. > > James > > > -- > 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 -- 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
