Re: K410 SCSI 53c700 issue with PLEXTOR PX-R820T
Joel Soete <[email protected]>
| Newsgroups | gmane.linux.ports.hppa |
|---|---|
| Message-ID | <[email protected]> |
Guy Martin wrote: > Matthew, > > In only tested on my K410. I'm clueless about IOMMU besides what I can read about it on wikipedia :) > > I can give it a try on my b180l but I don't know if there is a point and if it has the right connector. > Yes connectors and even hba are afaik the same (into LASI), the diff stand in this Uturn/U2 bus converter/adapter (ioscan name it bc, mstm ba?) on your K model (as on my D) and not on B180L+. > As James said, it looks like the size of some commands is not negociated properly or so. > http://lists.parisc-linux.org/pipermail/parisc-linux/2006-September/030204.html > > Is there a way I make this negociation more verbose ? > > However, unlike Joel's problem, those errors start to appear when I try to mount a cd or even before that when udevd starts and not after some untar/rm iterations. I sould mention that if I eject the media while mount is stuck, it aborts. > > Guy > > > On Mon, 27 Nov 2006 08:37:14 -0700 > Matthew Wilcox <[email protected]> wrote: > >> On Mon, Nov 27, 2006 at 11:58:32AM +0100, Guy Martin wrote: >>> Some more detail on this issue. >>> This burner still works at commit 6391a11375de5e2bb1eb8481e54619761dc65d9f but breaks at commit 0f13fc09db68de92585558984bff1c51b87db72f. >> Thanks for narrowing it down so much! >> >>> commit 0f13fc09db68de92585558984bff1c51b87db72f >>> Author: James Bottomley <[email protected]> >>> Date: Thu Jun 29 13:02:11 2006 -0400 >>> >>> [SCSI] 53c700: fix breakage caused by the autosense update >>> >>> A bit of a brown paper bag issue. The previous patch to remove the soon >>> to be ripped out fields that were used in autosense actually broke the >>> driver. This patch fixes it and has been tested (honestly). >> If James says he tested it, I believe him. I *think* we're in the >> situation where it works on machines without an IOMMU and breaks on >> machines with an IOMMU. Joel, Guy, do I have that right? > Well my test case is totaly different as far as I just tested se-scsi disk. And I don't own any PLEXTOR, so only GMSoft test on its b180 could confirm us if it's same kind of pb. The only thing of what I still sure is that the pb occure to me when I tried to stress (high io rate) this driver. Joel >