Hi Russell, On Wed, Jan 05, 2011 at 11:27:01AM +0000, Russell King - ARM Linux wrote: > On Wed, Jan 05, 2011 at 12:05:17PM +0100, Uwe Kleine-König wrote: > > Hello Trond, > > > > On Wed, Jan 05, 2011 at 09:40:14AM +0100, Uwe Kleine-König wrote: > > > On Mon, Jan 03, 2011 at 07:22:38PM -0500, Trond Myklebust wrote: > > > > The question is whether this is something happening on the server or the > > > > client. Does an older client kernel boot without any trouble? > > > I will set up a boot test with 2.6.37 (for statistics) and 2.6.36 to > > > compare with. If you don't consider .36 to be old enough let me now. > > > Once the setup is done it should be easy to test .35 (say), too. > > > > > Marc (cc'd) saw similar[1] problems with .37, when using .36.2 the > > problems didn't occur. This was more reliable to trigger and he was so > > kind to bisect the problem. > > > > When testing v2.6.36-rc3-51-gafa8ccc init hanged. > > (babddc72a9468884ce1a23db3c3d54b0afa299f0 is the first bad commit with > > this hang.) Commit 56e4ebf877b6043c289bda32a5a7385b80c17dee makes the > > "init hangs" problem the "fileid changed on tab" problem. > > > > I could only reproduce that on armv5 machines (imx27, imx28 and at91) > > but not on armv6 (imx35). > > FYI, I've seen the "fileid changed" problem, and it looked like a 32-bit > truncation of the fileid. It occurred several times on successive > reboots, so I tried to capture a tcpdump trace off the server (Linux > 2.6.23-rc8-ga64314e6 - its ancient because I've had issues with buggy > IDE drivers trying to move it forward.) However, for the last couple > of weeks I've been unable to reproduce it. > > The client was based on 2.6.37-rc6. > > The "fileid changed" messages popped up after mounting an export with > 'nolock,intr,rsize=4096,soft', and then trying to use bash completion > and 'ls' in a few subdirectories - and entries were missing from the > directory lists without 'ls' reporting any errors (which I think is bad > behaviour in itself.) There was a bug in at least -rc5[1] that was considered already fixed in -rc4[2]. The later announcements didn't mention it anymore. > I don't know why it's stopped producing the errors, although once it > went I never investigated it any further (was far too busy trying to > get AMBA DMA support working.) It seems it was fixed for most users though. Trond? Uwe [1] http://lwn.net/Articles/418963/ [2] http://lwn.net/Articles/417704/ -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
