Re: [uml-devel] [Pkg-uml-pkgs] Bug#495611: user-mode-linux: page_mapcount(page) went negative!

2008-08-26 Thread Jeff Dike
On Tue, Aug 19, 2008 at 09:01:55PM +0900, Mattia Dongili wrote: > one more bug report on 2.6.26.2. It looks like .25 is affected as well > are both suffering from it. Sigh, I was hoping that this wasn't seen on anything later than 2.6.24. Any chance it can be bisected? Since this is an overnight

Re: [uml-devel] Bug#494995: user-mode-linux: static build fails with multiple definition of `strrchr'

2008-08-26 Thread Jeff Dike
On Tue, Aug 19, 2008 at 08:47:04PM +0900, Mattia Dongili wrote: > In short statically linking the uml kernel fails with the error below. > Any idea what may be wrong? A symbol clash between libc and the kernel. Try this: Index: linux-2.6.22/arch/um/Makefile =

Re: [uml-devel] Error starting uml

2008-08-26 Thread Roberto Alcântara
Ok Jeff, uml is working fine. Thank you. - Roberto On Tue, Aug 26, 2008 at 2:56 PM, Jeff Dike <[EMAIL PROTECTED]> wrote: > On Tue, Aug 12, 2008 at 01:02:39PM -0300, Roberto Alcântara wrote: >> Yes, my gcc version is 4.2.3 and I will do what you say. > > This patch is in 2.6.26.2 now, so use t

Re: [uml-devel] FP registers corruption

2008-08-26 Thread Stanislav Meduna
Jeff Dike wrote: > You can work around this by putting a 0 into /proc/sys/vm/mmap_min_addr. Permission denied here - looks quite hard readonly on this kernel even for root. >> Same here with 2.6.26.2 :( > > Hmmm. If it's not a problem there, I'm tempted to call it fixed, > whatever it was. Ca

Re: [uml-devel] FP registers corruption

2008-08-26 Thread Jeff Dike
On Tue, Aug 26, 2008 at 08:07:20PM +0200, Stanislav Meduna wrote: > My host is current Ubuntu and I was unable to test 2.6.25.x > there due to > Locating the top of the address space ... Address 0x0 no good? > which AFAIK was a known problem caused by some ubuntu-specific > patch. You can work a

Re: [uml-devel] FP registers corruption

2008-08-26 Thread Stanislav Meduna
Jeff Dike wrote: > It's not. Any 2.6 UML should run on a any 2.6 host. If you are > having problems that look like version skew problems, say what they > are. My host is current Ubuntu and I was unable to test 2.6.25.x there due to Locating the top of the address space ... Address 0x0 no goo

Re: [uml-devel] Error starting uml

2008-08-26 Thread Jeff Dike
On Tue, Aug 12, 2008 at 01:02:39PM -0300, Roberto Alcântara wrote: > Yes, my gcc version is 4.2.3 and I will do what you say. This patch is in 2.6.26.2 now, so use that if you don't feel like patching 2.6.26. Jeff -- Work email - jdike at linux dot intel dot com

Re: [uml-devel] FP registers corruption

2008-08-26 Thread Jeff Dike
On Tue, Aug 26, 2008 at 09:20:56AM +0200, Stanislav Meduna wrote: > I tried to isolate the exact version, but I was not able > to compile/run all the UML versions in my test environment > (current Ubuntu) - obviously the UML is quite sensitive > to the host kernel as well. It's not. Any 2.6 UML s

Re: [uml-devel] [RFC PATCH] uml: fix double statement if missing braces

2008-08-26 Thread Jeff Dike
On Tue, Aug 19, 2008 at 09:09:16AM +0300, Ilpo Järvinen wrote: > ...I'm not fully sure what's the intention here, ie., whether > the return belongs to a block with the assignment or not. Yes, this is confused, although it just happens to compile to something sane. Your patch is fine, but I think

Re: [uml-devel] FP registers corruption

2008-08-26 Thread Stanislav Meduna
Jeff Dike wrote: >> Did this or equivalent patch get into the mainline kernel? >> Browsing through the source I don't think so :( If not, >> where is the best place to fetch the UML tree with the >> patches that the developers seem to find necessary, >> applied? > > It's there. I just eyeballed