Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.os.linux.advocacy > #685415

Re: Kexec (and HyperV) (was: Re: Dimdows Decay Syndrome Continues)

Path csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From vallor <vallor@cultnix.org>
Newsgroups comp.os.linux.advocacy, alt.comp.os.windows-11
Subject Re: Kexec (and HyperV) (was: Re: Dimdows Decay Syndrome Continues)
Date 9 Feb 2025 00:25:51 GMT
Lines 35
Message-ID <m0qb0fFor2gU1@mid.individual.net> (permalink)
References <vnm582$9u05$1@dont-email.me> <9pdtpjdb64l7nitvc1vrdh4dqmank92caq@4ax.com> <4iJnP.222162$HO1.112840@fx14.iad> <vo5u8q$3lvnm$1@dont-email.me> <esypP.13$NwV6.6@fx39.iad> <vo6u10$3ue2q$1@dont-email.me> <m0ojr4Fakt5U3@mid.individual.net> <vo8q4j$8tqo$2@dont-email.me>
Mime-Version 1.0
Content-Type text/plain; charset=UTF-8
Content-Transfer-Encoding 8bit
X-Trace individual.net ra57poVTydPLnNLF3IEkZwtKE3gbgTBKcrxqBBX+3e1fexqJr4
Cancel-Lock sha1:Fw52sK05jXUeYpjZnOixGS0qPGE= sha256:eo0ZHZrdZunsy6kbiCS+VpJ/tTzA3QAAn7Bpedn+Jbw=
X-Face +McU)#<-H?9lTb(Th!zR`EpVrp<0)1p5CmPu.kOscy8LRp_\u`:tW;dxPo./(fCl CaKku`)]}.V/"6rISCIDP`
User-Agent Pan/0.161 (Hmm3; cd378e06; Linux-6.13.1)
Xref csiph.com comp.os.linux.advocacy:685415 alt.comp.os.windows-11:16917

Cross-posted to 2 groups.

Show key headers only | View raw

On Sat, 8 Feb 2025 23:42:11 -0000 (UTC), Lawrence D'Oliveiro
<ldo@nz.invalid> wrote in <vo8q4j$8tqo$2@dont-email.me>:

> On 8 Feb 2025 08:44:20 GMT, vallor wrote:
> 
>> On Sat, 8 Feb 2025 06:36:16 -0000 (UTC), Lawrence D'Oliveiro
>> <ldo@nz.invalid> wrote in <vo6u10$3ue2q$1@dont-email.me>:
>> 
>>> Doesn’t RHEL support kexec, which allows the old Linux kernel to pass
>>> control to the new one without actually disrupting the userland?
>> 
>> You're thinking of live kernel patching.  kexec_load(2) load a kernel
>> that you can have execute if the current kernel crashes.  You do this
>> for debugging, usually.
> 
> Bit more than that <https://manpages.debian.org/kexec_load(2)>:
> 
>     The kexec_load() system call loads a new kernel that can be executed
>     later by reboot(2).
> 
> And one of the functions of the latter
> <https://manpages.debian.org/reboot(2)> is:
> 
>     LINUX_REBOOT_CMD_KEXEC
>       (RB_KEXEC, 0x45584543, since Linux 2.6.13). Execute a kernel that
>       has been loaded earlier with kexec_load(2).

I don't see your point.  (That's what I said.)

It doesn't load "without disturbing the userland"...

-- 
-v System76 Thelio Mega v1.1 x86_64 NVIDIA RTX 3090 Ti
   OS: Linux 6.13.1 Release: Mint 22.1 Mem: 258G
   "Why is "easy listening" so hard to listen to?"

Back to comp.os.linux.advocacy | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-01 21:55 +0000
  Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-01 19:07 -0500
    Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-01 20:11 -0500
      Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-02 03:24 +0000
        Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Brian Gregory <void-invalid-dead-dontuse@email.invalid> - 2025-02-02 04:05 +0000
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) CrudeSausage <crude@sausa.ge> - 2025-02-02 07:19 -0500
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-02-02 07:55 -0500
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 23:22 +0000
        Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Paul <nospam@needed.invalid> - 2025-02-02 00:08 -0500
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Java Jive <java@evij.com.invalid> - 2025-02-02 13:57 +0000
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 23:19 +0000
        Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) DFS <guhnoo-basher@linux.advocaca> - 2025-02-02 16:05 -0500
          Re: The Dominance Of Linux (was Re: Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 23:17 +0000
      Re: Dimdows Decay Syndrome Continues Mark Lloyd <not.email@all.invalid> - 2025-02-02 19:26 +0000
        Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-02 14:49 -0500
        Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-02 15:29 -0500
          Re: Dimdows Decay Syndrome Continues chrisv <chrisv@nospam.invalid> - 2025-02-02 15:26 -0600
            Re: Dimdows Decay Syndrome Continues Java Jive <java@evij.com.invalid> - 2025-02-03 02:50 +0000
              Re: Dimdows Decay Syndrome Continues rbowman <bowman@montana.com> - 2025-02-03 04:03 +0000
              Re: Dimdows Decay Syndrome Continues Jeff Barnett <jbb@notatt.com> - 2025-02-02 23:17 -0700
                Re: Dimdows Decay Syndrome Continues Java Jive <java@evij.com.invalid> - 2025-02-03 13:16 +0000
      Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-07 20:03 -0500
      Re: Dimdows Decay Syndrome Continues Andy Burns <usenet@andyburns.uk> - 2025-02-08 20:12 +0000
        Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-08 21:06 -0500
    Re: Dimdows Decay Syndrome Continues CrudeSausage <crude@sausa.ge> - 2025-02-02 07:11 -0500
      Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 21:34 +0000
        Re: Dimdows Decay Syndrome Continues CrudeSausage <crude@sausa.ge> - 2025-02-07 20:29 -0500
          Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-08 06:36 +0000
            Kexec (and HyperV) (was: Re: Dimdows Decay Syndrome Continues) vallor <vallor@cultnix.org> - 2025-02-08 08:44 +0000
              Re: Kexec (and HyperV) Paul <nospam@needed.invalid> - 2025-02-08 06:41 -0500
              Re: Kexec (and HyperV) (was: Re: Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-08 23:42 +0000
                Re: Kexec (and HyperV) (was: Re: Dimdows Decay Syndrome Continues) vallor <vallor@cultnix.org> - 2025-02-09 00:25 +0000
            Re: Dimdows Decay Syndrome Continues CrudeSausage <crude@sausa.ge> - 2025-02-08 09:05 -0500
              Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-08 23:44 +0000
                Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-08 19:05 -0500
                Re: Dimdows Decay Syndrome Continues vallor <vallor@cultnix.org> - 2025-02-09 13:58 +0000
              Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-08 21:18 -0500
        Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-07 21:05 -0500
  Re: Dimdows Decay Syndrome Continues Physfitfreak <physfitfreak@gmail.com> - 2025-02-01 21:53 -0600
  Re: Onslaught of Linux kernel regressions (was Dimdows Decay Syndrome Continues) DFS <guhnoo-basher@linux.advocaca> - 2025-02-02 21:23 -0500
    Re: Onslaught of Linux kernel regressions (was Dimdows Decay Syndrome Continues) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 21:36 +0000
  Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-07 21:41 +0000
    Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-07 19:14 -0500
      Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-07 20:26 -0500
        Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-07 20:50 -0500
          Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-07 21:57 -0500
        Re: Dimdows Decay Syndrome Continues Frank Slootweg <this@ddress.is.invalid> - 2025-02-08 15:22 +0000
          Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-08 11:24 -0500
            Re: Dimdows Decay Syndrome Continues Frank Slootweg <this@ddress.is.invalid> - 2025-02-08 18:36 +0000
              Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-08 13:49 -0500
              Re: Dimdows Decay Syndrome Continues Physfitfreak <physfitfreak@gmail.com> - 2025-02-08 13:48 -0600
            Re: Dimdows Decay Syndrome Continues rbowman <bowman@montana.com> - 2025-02-08 19:43 +0000
              Re: Dimdows Decay Syndrome Continues Frank Slootweg <this@ddress.is.invalid> - 2025-02-08 20:41 +0000
                Re: Dimdows Decay Syndrome Continues Paul <nospam@needed.invalid> - 2025-02-08 16:12 -0500
                Re: Dimdows Decay Syndrome Continues rbowman <bowman@montana.com> - 2025-02-09 00:35 +0000
        Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-08 23:54 +0000
          Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-08 19:07 -0500
          Re: Dimdows Decay Syndrome Continues rbowman <bowman@montana.com> - 2025-02-09 00:40 +0000
    Re: Dimdows Decay Syndrome Continues Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-02-18 21:51 +0000
      Re: Dimdows Decay Syndrome Continues Joel <joelcrump@gmail.com> - 2025-02-18 17:11 -0500
      Re: Dimdows Decay Syndrome Continues rbowman <bowman@montana.com> - 2025-02-19 01:06 +0000

csiph-web