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...of qemu (see also: > https://rwmj.wordpress.com/2015/11/07/linux-kernel-library-backend-for-libguestfs/) Could qemu-nbd from inside the guest be used? (as a performance/security tradeoff) > > (2) On the kernel side, the Intel kernel contains lots of little > hacks, and many baremetal CONFIG_* options are disabled. Hacks can be > upstreamed once we massage them into shape. The real issue is keeping > a single baremetal + virt kernel image, since separate kernel images > would never fly with Fedora or RHEL. That means we cannot just > disable slow drivers/subsystems by hav...

...ernels, where virtio is > built in and not as module. Should we only check the config file? Seems like a waste of time to download the module names and check those, and I suppose in some corner case might even be misleading. Also the code as it stands makes the assumption that the name of the CONFIG_* option is the same as the kernel module, which is not true for some things we care about (virtio-scsi, I think?). Rich. > v2v/convert_linux.ml | 22 ++++++++++++++++++++-- > 1 file changed, 20 insertions(+), 2 deletions(-) > > diff --git a/v2v/convert_linux.ml b/v2v/convert_linux.m...

> This makes me think that the syslog approach is probably the way to go Yeah, right. Another idea is to mirror the current preauth load via setproctitle()... That makes that data accessible even without a syscall (at least the writing of the data - quering needs syscalls, right), so that can be kept up-to-date and allows a high monitoring frequency as well. Multiple instances of SSHd (on

...s no need to add build.ninja to the ninja_log: diff --git a/src/ninja.cc b/src/ninja.cc index a093cd1..810b22d 100644 --- a/src/ninja.cc +++ b/src/ninja.cc @@ -249,8 +249,6 @@ bool NinjaMain::RebuildManifest(const char* input_file, string* err) { return false; Builder builder(&state_, config_, &build_log_, &deps_log_, &disk_interface_); - if (!builder.AddTarget(node, err)) - return false; if (builder.AlreadyUpToDate()) return false; // Not an error, but we didn't rebuild. hth... don -------------- next part -------------- An HTML attachment was scrubbed.....

Hi, The following patches fix few bugs/APIs in configfs. The third one depends on the patch introducing configfs_dirent_lock previously submitted in http://lkml.org/lkml/2008/6/12/232 Louis -- Dr Louis Rilling Kerlabs Skype: louis.rilling Batiment Germanium Phone: (+33|0) 6 80 89 08 23 80 avenue des Buttes de Coesmes http://www.kerlabs.com/ 35700 Rennes

Hi, I remembered reading about Intel Clear Containers [1], and Hyper/Qboot [2] that support startup times measured in the hundreds of miliseconds range. On an AMD FX(tm)-8350 'guestfish -a /dev/null run' takes ~4s when run the 2nd/3rd time: real 0m4.152s user 0m2.120s sys 0m0.564s Are there any plans on applying these improvements to the supermin appliance? I did some quick tests on

...eb 2015, Ady wrote: > ... > > Testing with public popular kernels that are known to work (so to > > compare the behavior) might be useful too, but I don't know of any > > particular kernels to suggest for such tests. > > Right, I've confirmed boot failure using CONFIG_RELOCATABLE with > unmodified Linux 3.12.24, 3.13, 3.15, 3.18, and 3.19-rc7 kernels. > > > I know that for EFISTUB, the kernel config should include: > > > > CONFIG_RELOCATABLE=y > > CONFIG_EFI=y > > CONFIG_EFI_STUB=y > > CONFIG_FB_EFI=y > > CONFIG_...

...mily bootloader = > (* What kernel/kernel-like packages are installed on the current guest? *) > let installed_kernels : kernel_info list = > let rex_ko = Str.regexp ".*\\.k?o\\(\\.xz\\)?$" in > + let check_config version feature = > + let prefix = "^CONFIG_" ^ String.uppercase_ascii feature ^ "=" in > + let lines = g#grep ~extended:true prefix ("/boot/config-" ^ version) in This could fail if the config file doesn't exist or has an unexpected name. I don't think we should fail in that case. I think what we s...

...ed features to qemu. Anything based on kvmtool wouldn't support qcow2 and the myriad other features of qemu (see also: https://rwmj.wordpress.com/2015/11/07/linux-kernel-library-backend-for-libguestfs/) (2) On the kernel side, the Intel kernel contains lots of little hacks, and many baremetal CONFIG_* options are disabled. Hacks can be upstreamed once we massage them into shape. The real issue is keeping a single baremetal + virt kernel image, since separate kernel images would never fly with Fedora or RHEL. That means we cannot just disable slow drivers/subsystems by having an alternate ker...

On Sat, 7 Feb 2015, Ady via Syslinux wrote: > Thank you for this meaningful report. Ideally, I would suggest > performing a similar test (at least with the same kernel built with all > the above "config_*=y" settings) with official pre-built Syslinux > versions 4.07 and 3.86 (remembering that all Syslinux-related files, > including c32 modules, if being used, shall match the same version of > the bootloader). You're welcome :-) I'll post a patch to fix this problem as a fo...

...hes the commit message. Was that intentional? -- Craig Miskell Site Reliability Engineer | GitLab | Dunedin, New Zealand diff --git a/sshd.c b/sshd.c index 6129b0a..debbdcb 100644 --- a/sshd.c +++ b/sshd.c @@ -1005,7 +1005,7 @@ server_accept_loop(int *sock_in, int *sock_out, int *newsock, int *config_s) { fd_set *fdset; int i, j, ret, maxfd; - int startups = 0, listening = 0, lameduck = 0; + int ostartups = -1, startups = 0, listening = 0, lameduck = 0; int startup_p[2] = { -1 , -1 }; char c = 0; struct sockaddr_storage from; @@ -1029,6 +1029,11 @@ server_accept_loop(int *sock_i...

On Fri, 6 Feb 2015, Ady wrote: ... > Testing with public popular kernels that are known to work (so to > compare the behavior) might be useful too, but I don't know of any > particular kernels to suggest for such tests. Right, I've confirmed boot failure using CONFIG_RELOCATABLE with unmodified Linux 3.12.24, 3.13, 3.15, 3.18, and 3.19-rc7 kernels. > I know that for EFISTUB, the kernel config should include: > > CONFIG_RELOCATABLE=y > CONFIG_EFI=y > CONFIG_EFI_STUB=y > CONFIG_FB_EFI=y > CONFIG_FRAMEBUFFER_CONSOLE=y > > For UEFI ia3...

...users to be added to them - which in our case would be all users anyways, as that's the "traditional" behavior." https://github.com/AsteroidOS/meta-bass-hybris/commit/b819096ed5a5ef12828c63b1f2f0b8e962fd1e81 More info: * https://wiki.postmarketos.org/wiki/Kernel_configuration#CONFIG_ANDROID_PARANOID_NETWORK * https://elinux.org/Android_Security#Paranoid_network-ing If you can get to the kernel config for the Android side of things, you can check for that CONFIG_... option. If it is enabled, then maybe there is something different about the user ID that upsmon is running under...

This patch uses the standard generic header for the definition of machine_emergency_restart() and reverses the call path for XenoLinux. Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com> --- diff -r 7680b29c03a6 drivers/xen/core/reboot.c --- a/drivers/xen/core/reboot.c Sat Aug 05 11:33:24 2006 -0400 +++ b/drivers/xen/core/reboot.c Mon Aug 07 09:50:33 2006 -0400 @@ -9,6 +9,7 @@ #include

...Patocka wrote: > > > > [...] > > > > > @@ -404,6 +405,12 @@ void *kvmalloc_node(size_t size, gfp_t f > > > > > */ > > > > > WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); > > > > > > > > > > +#ifdef CONFIG_DEBUG_SG > > > > > + /* Catch bugs when the caller uses DMA API on the result of kvmalloc. */ > > > > > + if (!(prandom_u32_max(2) & 1)) > > > > > + goto do_vmalloc; > > > > > +#endif > > > > > > > > I really d...

...Patocka wrote: > > > > [...] > > > > > @@ -404,6 +405,12 @@ void *kvmalloc_node(size_t size, gfp_t f > > > > > */ > > > > > WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); > > > > > > > > > > +#ifdef CONFIG_DEBUG_SG > > > > > + /* Catch bugs when the caller uses DMA API on the result of kvmalloc. */ > > > > > + if (!(prandom_u32_max(2) & 1)) > > > > > + goto do_vmalloc; > > > > > +#endif > > > > > > > > I really d...

...architectures are going to need some minor cleanup in setup.c or the equvalent. The current git tree includes a number of utilities, like dash (sh), which aren't used by the default kinit configuration. Additionally, right now kinit is built monolitically, in other words there isn't a CONFIG_ option to turn off nfsmount, for example. Again, I'm more than willing to put the tree in any particular state that makes sense. 3. Path: it probably would make sense to push this into -mm first? It's taken this long, I'd like to make this actually happen... -hpa

Hi, I am running XEN 4.1 on Debian 6 and I cannot find blktapctrl process running. xend is started. I installed XEN from 4.1 source following instructions here: http://wiki.xensource.com/xenwiki/XenParavirtOps http://wiki.xensource.com/xenwiki/Xen4.0 Should there be a blktapctrl process running in this version? The problem I have encountered is that I can create a domain on a raw disk image but

Hi, this series adds a couple bits more in v2v to convert Debian/Ubuntu (and derived) guests. The series does not complete the support (see known issues below), but all the patches here should be fit for review and inclusion. The series does not enable the conversion, yet. Known issues: * currently tested with simple local guest images, hence needs testing with real guests on

Hi, this series implements the first bits in v2v to convert Debian/Ubuntu (and derived) guests. The series does not complete the support (see known issues below), but all the patches here should be fit for review and inclusion. The series does not enable the conversion, yet. Known issues: * there is no grubby nor Bootloader::Tools Perl module available in Debian, so there is no way to know