Re: 6.9.0-rc2+ kernel hangs on boot (bisected, maybe LED related)

[Ben Greear]

On 4/11/24 00:07, Lee Jones wrote:
> On Wed, 03 Apr 2024, Ben Greear wrote:
>
> > On 4/2/24 10:38, Ben Greear wrote:
> > > On 4/2/24 09:37, Ben Greear wrote:
> > > > Hello,
> > > >
> > > > Sometime between rc1 and today's rc2, my system quit booting.
> > > > I'm not seeing any splats, it just stops.  Evidently before
> > > > sysrq is enabled.
> > > >
> > > > [  OK  ] Started Flush Journal to Persistent Storage.
> > > > [  OK  ] Started udev Coldplug all Devices.
> > > >            Starting udev Wait for Complete Device Initialization...
> > > > [  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
> > > > [  OK  ] Created slice system-lvm2\x2dpvscan.slice.
> > > >            Starting LVM2 PV scan on device 8:19...
> > > >            Starting LVM2 PV scan on device 8:3...
> > > > [  OK  ] Started Device-mapper event daemon.
> > > > iwlwifi 0000:04:00.0: WRT: Invalid buffer destination: 0
> > > > sysrq: This sysrq operation is disabled.
> > > >
> > > > I can start a bisect, but in case anyone knows the answer already, please let me know.
> > > >
> > > > Thanks,
> > > > Ben
> > >
> > > So, deadlock I guess....
>
> Does this help you in any way?
>
> https://lore.kernel.org/all/bbcdbc1b-44bc-4cf8-86ef-6e6af2b009c3@xxxxxxxxx/
Hello Lee,

I cannot see how that patch above would fix my issues since I am not using that driver,
but possibly some similar change needs to be made to iwlwifi.

Johannes, you had another suggestion: changing iwlwifi's request_module() to request_module_nowait() in
iwl_req_fw_callback()

Is that still best thing to try in your opinion?

Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com