Messages in this thread | | | Date | Thu, 29 Apr 2021 19:27:59 +0200 | From | Greg KH <> | Subject | Re: [PATCH 1/2] kobject: return error code if writing /sys/.../uevent fails |
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On Thu, Apr 29, 2021 at 09:40:08AM -0400, Phillip Susi wrote: > Just an FYI, I've been tracking down a bug that was causing the debian > bullseye installer to immediately crash and reboot the xen domU and > bisected it to this commit. It appears that the Xen Virtual Keyboard > driver ( and at least one other, probably more ) were always broken and > failed to trigger the udev event, but this was never noticed. When this > patch returned the error code, it caused the d-i init scripts triggering > coldplug events to fail, which caused init to bail out, causing a kernel > panic. > > In the future, when fixing error returns like this, could you please add > a big fat printk so that hopefully things that always should have failed > but didn't and now do can get noticed and fixed more quickly. > > https://bugzilla.kernel.org/show_bug.cgi?id=207695 > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=983357 >
Spaming kernel logs with things that userspace can trigger is generally a bad idea. But I understand the pain here, sorry to hear it.
Was the offending drivers ever fixed?
thanks,
greg k-h
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