On Mon, Dec 26, 2022 at 12:51:05AM -0600, Abel Abraham Camarillo Ojeda wrote:
> On Mon, Dec 26, 2022 at 12:08 AM Mike Larkin <mlar...@nested.page> wrote:
> 
> > On Sun, Dec 25, 2022 at 11:39:29PM -0600, Abel Abraham Camarillo Ojeda
> > wrote:
> > > On Sun, Dec 25, 2022 at 9:46 PM Mike Larkin <mlar...@nested.page> wrote:
> > >
> > > > On Fri, Dec 23, 2022 at 03:13:53PM -0600, Abel Abraham Camarillo Ojeda
> > > > wrote:
> > > > > On Fri, Dec 23, 2022 at 2:46 PM Abel Abraham Camarillo Ojeda <
> > > > > acam...@verlet.org> wrote:
> > > > >
> > > > > > Forgot to mention I don't think this is a regression, just started
> > to
> > > > use
> > > > > > hibernate/unhibernate more often lately.
> > > > > > But I think I can reproduce this at least since 6.8 (the first
> > that I
> > > > > > installed to this machine)
> > > > > >
> > > > > >>
> > > > > >>
> > > > > >> But still this apply https://www.openbsd.org/report.html (point
> > 2)
> > > > > >>
> > > > > >
> > > > > > By doesn't work I mean:
> > > > > >
> > > > > > $ zzz
> > > > > > Suspending system...
> > > > > > $ (nothing happened)
> > > > > >
> > > > > > > real mem = 17021566976 (16233MB)
> > > > > >> > avail mem = 16488275968 (15724MB)
> > > > > >> > random: good seed from bootblocks
> > > > > >> > mpath0 at root
> > > > > >> > scsibus0 at mpath0: 256 targets
> > > > > >> > mainbus0 at root
> > > > > >> > bios0 at mainbus0: SMBIOS rev. 3.0 @ 0xb9908000 (58 entries)
> > > > > >> > bios0: vendor LENOVO version "R0GET56W (1.56 )" date 08/31/2017
> > > > > >>
> > > > > >> You should try
> > > > > >>
> > > >
> > https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-l-series-laptops/thinkpad-l470/downloads/ds120327
> > > > > >> and see if problem is still present (of course good to have backup
> > > > :-))
> > > > > >>
> > > > > >
> > > > > > yes, forgot about that. Will update bios and retry
> > > > > >
> > > > >
> > > > > machine now with bios updated, can reproduce issue after 1
> > unhibernate,
> > > > > dmesg right now at "zzz does nothing stage":
> > > > >
> > > >
> > > > 1. acpi thread might be stuck as kettenis points out. to verify this,
> > > > try a suspend (lowercase zzz) instead of a hibernate (capital ZZZ) when
> > > > it gets stuck. If you can zzz but not ZZZ, then it's not the acpi
> > > > thread.
> > > >
> > > > Both zzz and ZZZ wont work, they only say 'Suspending/Hibernating...'
> > and
> > > nothing happens (don't have the exact message right now)
> > >
> > > any way to confirm the acpi thread is stuck?
> > >
> > > 2. more likely, IMO, is not being able to find a consecutive region in
> > > > free memory to store the hibernate data structures. If memory gets
> > > > fragmented, ZZZ will fail. It should print something to dmesg though,
> > > > so check that. This matches your symptoms of "always works the first
> > > > time but sometimes not on subsequent tries".
> > > >
> > >
> > > notice also screen dimming via F5/F6 won't work (pressing F5 or F6 and
> > > nothing happens)
> >
> > probably something like kettenis suggested then. make sure the bios is
> > updated.
> >
> 
> Bios is at last version bios0: vendor LENOVO version "R0GET79W (1.79 )"
> date 07/28/2022
> (issue was present also with the previous 2019-ish one)
> 
> Any idea what else to try to gather more info? This is pretty reproducible

vmstat -zi after resuming the first time? are you getting tons of acpi0
interrupts?

Reply via email to