Re: update-grub and then grub-mkconfig leads to the watchdog: BUG: soft lockup
On Mon, Mar 15, 2021 at 4:59 AM Dennis Clarke <dclarke@blastwave.org> wrote:
>
>
> While digging around here I saw that update-grub will lead to a lockup
> every time. So I simply changed /usr/sbin/grub-mkconfig script to
> allow me to see everything that happens.
>
> That gets me to :
>
> /usr/sbin/grub-probe --device /dev/sda2 --target=fs_uuid
>
> which falls to pieces perfectly :
>
> root@eros:~#
> root@eros:~# uptime
> 01:09:40 up 20 min, 2 users, load average: 0.07, 0.14, 0.48
> root@eros:~# /usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg
> + prefix=/usr
> + exec_prefix=/usr
> + datarootdir=/usr/share
> + prefix=/usr
> + exec_prefix=/usr
> + sbindir=/usr/sbin
> + bindir=/usr/bin
> + sysconfdir=/etc
> + PACKAGE_NAME=GRUB
> + PACKAGE_VERSION=2.04-16
> + host_os=linux-gnu
> + datadir=/usr/share
> + [ x = x ]
> + pkgdatadir=/usr/share/grub
> + export pkgdatadir
> + grub_cfg=
> + grub_mkconfig_dir=/etc/grub.d
> + basename /usr/sbin/grub-mkconfig
> + self=grub-mkconfig
> + grub_probe=/usr/sbin/grub-probe
> + grub_file=/usr/bin/grub-file
> + grub_editenv=/usr/bin/grub-editenv
> + grub_script_check=/usr/bin/grub-script-check
> + export TEXTDOMAIN=grub
> + export TEXTDOMAINDIR=/usr/share/locale
> + . /usr/share/grub/grub-mkconfig_lib
> + prefix=/usr
> + exec_prefix=/usr
> + datarootdir=/usr/share
> + datadir=/usr/share
> + bindir=/usr/bin
> + sbindir=/usr/sbin
> + [ x/usr/share/grub = x ]
> + test x/usr/sbin/grub-probe = x
> + test x/usr/bin/grub-file = x
> + test x = x
> + grub_mkrelpath=/usr/bin/grub-mkrelpath
> + which gettext
> + :
> + grub_tab=
> + test 2 -gt 0
> + option=-o
> + shift
> + argument -o /boot/grub/grub.cfg
> + opt=-o
> + shift
> + test 1 -eq 0
> + echo /boot/grub/grub.cfg
> + grub_cfg=/boot/grub/grub.cfg
> + shift
> + test 0 -gt 0
> + [ x = x ]
> + id -u
> + EUID=0
> + [ 0 != 0 ]
> + set /usr/sbin/grub-probe dummy
> + test -f /usr/sbin/grub-probe
> + :
> + /usr/sbin/grub-probe --target=device /
> + GRUB_DEVICE=/dev/sda2
> + /usr/sbin/grub-probe --device /dev/sda2 --target=fs_uuid
> [ 1330.951329] watchdog: BUG: soft lockup - CPU#0 stuck for 22s!
> [grub-probe:443]
> [ 1331.046350] Modules linked in: drm(E) drm_panel_orientation_quirks(E)
> i2c_core(E) 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) st(E)
> crct10dif_generic(E) crct10dif_common(E) sym53c8xx(E)
> scsi_transport_spi(E) scsi_mod(E) sunhme(E)
> [ 1331.475596] CPU: 0 PID: 443 Comm: grub-probe Tainted: G E
> 5.10.0-4-sparc64 #1 Debian 5.10.19-1
> [ 1331.606055] TSTATE: 0000009911001601 TPC: 0000000000950920 TNPC:
> 0000000000950924 Y: 00000000 Tainted: G E
> [ 1331.753728] TPC: <misc_open+0x40/0x180>
> [ 1331.804124] g0: fffff800065e3140 g1: 000000001005a830 g2:
> 0000000000000000 g3: 000000000149fa90
> [ 1331.918504] g4: fffff80009bde780 g5: 00000000604a4edc g6:
> fffff8000a1ac000 g7: 000000000fa664c8
> [ 1332.032984] o0: 0000000000f2c960 o1: fffff8000a1af8ec o2:
> fffff80004275b50 o3: 0000000000000000
> [ 1332.147464] o4: 0000000000000000 o5: 0000000000000000 sp:
> fffff8000a1aef81 ret_pc: 0000000000950900
> [ 1332.266539] RPC: <misc_open+0x20/0x180>
> [ 1332.316950] l0: 0000000000f2c800 l1: 0000000000000000 l2:
> 0000000000668200 l3: 000000064b73605f
> [ 1332.431439] l4: 0000000000020000 l5: fffff8000a1af8f0 l6:
> 0000000000e1a000 l7: 0000000000000001
> [ 1332.545917] i0: fffff8000b813d90 i1: fffff80009bad100 i2:
> 0000000000f2c800 i3: 0000000000f2c978
> [ 1332.660398] i4: 00000000000000ec i5: 000000001005a818 i6:
> fffff8000a1af031 i7: 0000000000668e38
> [ 1332.774892] I7: <chrdev_open+0x98/0x1e0>
> [ 1332.826436] Call Trace:
> [ 1332.858473] [<0000000000668e38>] chrdev_open+0x98/0x1e0
> [ 1332.927215] [<000000000065e430>] do_dentry_open+0x170/0x420
> [ 1333.000505] [<0000000000660068>] vfs_open+0x28/0x40
> [ 1333.064670] [<0000000000674948>] path_openat+0x988/0x1100
> [ 1333.135679] [<00000000006773d0>] do_filp_open+0x50/0x100
> [ 1333.205549] [<0000000000660330>] do_sys_openat2+0x70/0x180
> [ 1333.277710] [<0000000000660868>] sys_openat+0x48/0xc0
> [ 1333.344164] [<0000000000406174>] linux_sparc_syscall+0x34/0x44
> ~
> Type 'go' to resume
> ok
This kernel OOPS (backtrace) should be reported to sparclinux@ ,
linux-kernel@ (lkml) and linux-fsdevel@ (vfs) linux kernel mailing
lists.
Thanks.
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