CURRENT crashes at early boot on Lenovo T540p: rtsx to blame - 13.0-RELEASE crashes same way!
Gary Jennejohn
gljennjohn at gmail.com
Fri May 7 14:08:34 UTC 2021
On Fri, 7 May 2021 16:59:35 +0300
Lev Serebryakov <lev at FreeBSD.org> wrote:
> On 07.05.2021 16:22, Gary Jennejohn wrote:
>
> >>>> Looks like there is problem with rtsx driver!
> >>> Oh, I forgot to add: disabling SD Card Reader in BIOS solves problem!
> >>>
> >>> And console on these crashes is totally dead, and disks are not
> >>> detected yet, so I can not look at structures in memory and/or
> >>> dump core.
> >>
> >> 13.0-RELEASE installation media crashes in same way if SD reader is
> >> enabled in BIOS.
> >>
> >
> > I see that rtsx was added to GENERIC. Might have been premature.
> >
> > The only thing I can recommend is to install with the SD card reader
> > disabled in the BIOS.
> Yep, it works. Not only install, but booting of installed system too ___ any GENERIC kernel panics, even new, built by hands from latest sources.
>
> > It may be the case that rtsx still works even if the card reader is
> > disabled in the BIOS. That's the first thing I would try out.
> Nope, it doesn't work (and I don't need it on this Laptop, to be honest). If SD reader is disabled in BIOS, it isn't detected at all.
>
> > If that fails then generate a kernel with rtsx as a module rather than
> > it being hard coded into the kernel.
> >
> > You could then re-enable the SD card reader in the BIOS and load the
> > module to check whether the SD card reader works or causes a panic
> > when the moduke is loaded. This approach might make it possible to
> > get a crash dump if a problem occurs.
> Ok, I'll try this, good idea.
>
> BTW, I've got hints that it it rtsx-related only after ~40 crashes, as most of stack traces don't have rtsx in them and are very generic. Looks like rtsx mangle kernel memory and it crashes in other places/kernel threads.
>
Good luck. I don't have a device with rtsx, the work I did on the driver
was done with a loaner laptop. So, all I can offer is moral support :)
--
Gary Jennejohn (gj at freebsd.org)
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