Re: "BUG: soft lockup" on A1200; was: Re: Updated installation images for Debian Ports 2019-04-20
On Tue, 18 Jun 2019, Michael Schmitz wrote:
> On 15/06/19 11:15 AM, Finn Thain wrote:
> > On Wed, 12 Jun 2019, Szymon Bieganski wrote:
> >
> > > Here is the end of dmesg (full log in attachment) when kernel stalls,
> > > just as before:
> > >
> > > ------------------------
> > >
> > > [ 122.430000] This architecture does not have kernel memory protection.
> > > [ 122.440000] Run /init as init process
> > > [ 126.690000] calling ide_init+0x0/0x7c [ide_core] @ 43
> > > [ 126.700000] Uniform Multi-Platform E-IDE driver
> > > [ 126.710000] initcall ide_init+0x0/0x7c [ide_core] returned 0 after 7988 usecs
> > > [ 126.980000] calling amiga_gayle_ide_driver_init+0x0/0x1c [gayle] @ 43
> > > [ 126.990000] ide: Gayle IDE controller (A1200 style)
> > > [ 127.000000] Probing IDE interface ide0...
> > > [ 127.390000] hda: probing with STATUS(0x50) instead of ALTSTATUS(0x0a)
> > > [ 127.540000] hda: SAMSUNG MP0402H, ATA DISK drive
> > > [ 127.610000] Z2RAM: using 0K Zorro II RAM and 512K Chip RAM (Total 512K)
> > > [ 127.980000] hdb: probing with STATUS(0x00) instead of ALTSTATUS(0x0a)
> > > [ 128.200000] hdb: probing with STATUS(0x00) instead of ALTSTATUS(0x0a)
> > > [ 148.570000] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd-udevd:43]
>
> Finn has raised the issue of systemd's short timeouts before. I'm
> wondering whether that's part of your problem here. But the IDE driver
> probe for a second disk should eventually complete, regardless of
> systemd's udev module crashing?
>
I think this is essentially a kernel bug: There is no "initcall
amiga_gayle_ide_driver_init returned" in the log.
I've asked Szymon to try blacklisting that initcall (off-list).
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