Messages in this thread | | | Subject | Re: [Kernel 2.5] Qlogic 2x00 driver | From | GrandMasterLee <> | Date | 18 Oct 2002 01:45:19 -0500 |
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On Thu, 2002-10-17 at 04:40, Michael Clark wrote: > On 10/17/02 11:11, Andrew Vasquez wrote: > > On Wed, 16 Oct 2002, GrandMasterLee wrote: > > > > > >>On Wed, 2002-10-16 at 20:59, Andrew Vasquez wrote: > >> > >>>The stack issues were a major problem in the 5.3x series driver. I > >>>believe, I can check tomorrow, 5.38.9 (the driver Dell distributes) > >>>contains fixes for the stack clobbering -- qla2x00-rh1-3 also contain > >>>the fixes. > >> > >>Does this mean that 6.01 will NOT work either? What drivers will be > >>affected? We've already made the move to remove LVM from the mix, but > >>your comments above give me some doubt as to how definite it is, that > >>the stack clobbering will be fixed by doing so. > >> > > > > The 6.x series driver basically branched from the 5.x series driver. > > Changes made, many moons ago, are already in the 6.x series driver. > > To quell your concerns, yes, stack overflow is not an issue with the > > 6.x series driver. > > > > I believe if we are to get anywhere regarding this issue, we need to > > shift focus from stack corruption in early versions of the driver. > > Well corruption of bufferheads was happening for me with a potentially > stack deep setup (ext3+LVM+qlogic). Maybe it has been fixed in the > non-LVM case but is still an issue as I have had it with 6.0.1b3 - > The stack fix is listed in 6.0b13 which is quite a few release behind > the one i've had the problem with.
I don't disagree, but I saw the same things with XFS filesystems on LVM also. This leads me to my next question. Does anyone on this list use XFS plus QLA2300's with 500GB+ mounted by several volumes on Qlogic driver 5.38.x or > and have greater than 20 days uptime to date?
> I posted the oops to lk about 3 weeks ago. Wasn't sure it was a qlogic > problem at the time, and still am not certain - maybe just sum of > stack(ext3+lvm+qlogic). Even if qla stack was trimmed for the common case, > it may still be a problem when LVM is active as there would be much > deeper stacks during block io. >
Kewl..thanks much. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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