Date: Fri, 29 Mar 2024 19:43:40 +0100 From: =?UTF-8?Q?Bojan_Novkovi=C4=87?= <bnovkov@freebsd.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: Current <current@freebsd.org> Subject: Re: Multiple issues with current (kldload failures, missing CTF stuff, pty issues, ...) Message-ID: <9dce6c42-0236-447c-b78b-dd03adff6eaa@freebsd.org> In-Reply-To: <09ef22679b76cb2dbeace8e78bf9f80e@Leidinger.net> References: <09ef22679b76cb2dbeace8e78bf9f80e@Leidinger.net>
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On 3/29/24 16:52, Alexander Leidinger wrote: > Hi, > > sources from 2024-03-11 work. Sources from 2024-03-25 and today don't > work (see below for the issue). As the monthly stabilisation pass > didn't find obvious issues, it is something related to my setup: > - not a generic kernel > - very modular kernel (as much as possible as a module) > - bind_now (a build without fails too, tested with clean /usr/obj) > - ccache (a build without fails too, tested with clean /usr/obj) > - kernel retpoline (build without in progress) > - userland retpoline (build without in progress) > - kernel build with WITH_CTF / DDB_CTF (next one to test if it isn't > retpoline) > - -fno-builtin > - CPUFLAGS=native (except for stuff in /usr/src/sys/boot) > - malloc production > - COPTFLAGS= -O2 -pipe > > The issue is, that kernel modules load OK from loader, but once it > starts init any module fails to load (e.g. via autodetection of > hardware or rc.conf kld_list) with the message that the kernel and > module versions are out of sync and the module refuses to load. > > I tried the workaround to load the modules from the loader, which > works, but then I can't login remotely as ssh fails to allocate a pty. > By loading modules via the loader, I can see messages about missing > CTF info when the nvidia modules (from ports = not yet rebuild = in > /boot/modules/...ko instead of /boot/kernel/...ko) try to get > initialised... and it looks like they are failing to get initialised > because of this missing CTF stuff (I'm back to the previous boot env > to be able to login remotely and send mails, I don't have a copy of > the failure message at hand). > > I assume the missing CTF stuff is due to the CTF based pretty printing > (https://cgit.freebsd.org/src/commit/?id=c21bc6f3c2425de74141bfee07b609bf65b5a6b3). > Is this supposed to fail to load modules which are compiled without > CTF data? Shouldn't this work gracefully (e.g. spit out a warning that > pretty printing is not available for module X and have the module > working)? > This is indeed how it works, those messages are emitted by CTF loading routines in 'kern/kern_ctf.c' as a warning and do not affect the rest of the module loading process. However, I completely agree that they are cryptic and spammy, I'll try to do something about that. Bojan
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