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Re: update-grub causes a system lockup

On 1/12/21 1:39 AM, Dennis Clarke wrote:
> I made a few minor edits to /etc/default/grub and then :
> root@ceres:~# update-grub
> [  303.211729] watchdog: BUG: soft lockup - CPU#0 stuck for 22s!
> [grub-probe:261]
> [  303.306793] Modules linked in: sg(E) envctrl(E) display7seg(E)
> flash(E) fuse(E) configfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E)
> crc16(E) mbcache(E) jbd2(E) crc32c_generic(E) sd_mod(E) t10_pi(E)
> crc_t10dif(E) crct10dif_generic(E) crct10dif_common(E) ata_generic(E)
> pata_cmd64x(E) sym53c8xx(E) libata(E) scsi_transport_spi(E) scsi_mod(E)
> sunhme(E)
> (...)
> Also this has been happening for months.

I would suggest installing a 4.x kernel and see if that helps. I know that
5.x kernels can be a bit unstable on certain older SPARC machines.

If the issue goes away with an older kernel, try bisecting to find the commit
that introduced the issue.

Either way, it's good to have something which allows to reproduce the bug.


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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