I have never tried a bisect, but the online guides seem clear enough, except they seem to require a starting point which is a good kernel version. Which version has Commit 482db6? The changelogs have commits which have numbers much much longer than the commit id you gave (e.g 32 character hex numbers). And I dont see a kernel changelog which talks about CONFIG_NO_HZ. I assume it is after 3.6.35.4, but which one? I am more of an svn user.
The fedora image was built by me using the fedora 15 dvd and specifying "web server" install on a 32 bit computer. I then immediately took a copy of the disk. No other changes were made, so nothing that anyone else shouldnt have... defconfig does not have selinux or initramfs or ext4. It also has modules which would be painful... But defaultconfig with a few tweaks is certainly possible. I see 2.6.31.2 just appeared so I will give it a whirl. Interestingly with security= set to something other than selinux I dont see the crash. I am assuming most people run with selinux disabled. I will let you know how I get on. Gordon. On 24 June 2011 18:33, richard -rw- weinberger <richard.weinber...@gmail.com> wrote: > On Fri, Jun 24, 2011 at 11:30 AM, Gordon Russell <drgruss...@gmail.com> wrote: >> Hi All. >> I have been using user mode linux since 2004, but I have decided to >> update my images to fedora 15. >> However I cannot get a stable uml kernel to run this image. >> >> For instance 2.6.39.1 crashes when I try "yum update". The errors on >> the console are shown at the end of this email. >> I get the same crash at the same place with 2.6.38.8. Its completely >> repeatable. I tried the guest with and without swap (512mb ram). >> I tried 2.6.35.4 (patched for gcc 4.6), which does not crash but >> suffers from repeated "stalled cpu" problems, solved each time by >> hitting a key on one of the consoles. The stalls are so bad that I >> cannot shutdown the image... > > Commit 482db6 (um: fix global timer issue when using CONFIG_NO_HZ) > fixes the "stalled cpu" problems. > Can you please try bisecting the "yum update" issue? > Are you using a public fc15 image which I can test? > >> I am compiling on a 32 bit Fedora 15 PC, so gcc is 4.6.0. (I am >> assuming uml still must be 32 bit) >> I am running the uml image on a 64 bit Fedora 14 machine. >> >> The only unusual things in my compile that I need is static linking, >> no modules, and SELinux is on. >> 2.6.35.4 is very stable on my old image, but this does not use SELinux >> (its fedora 2 but this is getting very old). > > Does it work with defaultconfig? > > -- > Thanks, > //richard > ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense.. http://p.sf.net/sfu/splunk-d2d-c1 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
