Were you really performing a ktrac of pflogd?

Bryan Stenson <[email protected]> wrote:

> ok...found the panic call here: sys/ufs/ufs/ufs_quota.c:451.  From the
> comment in the code: "On filesystems with quotas enabled, it is an
> error for a file to change size and not to have a dquot structure
> associated with it."
> 
> I do have quotas enabled on /home, but limits are only set for a
> single user (no groups).  Otherwise, I don't think I'm doing anything
> crazy/out-of-the-ordinary.  Clearly, the kernel got here, but I'm not
> sure how.
> 
> sv01$ doas repquota /home
>                         KByte limits               File limits
> User            used    soft    hard  grace    used  soft  hard  grace
> root      --  398434       0       0             15     0     0
> _syspatch --    6032       0       0              1     0     0
> stensonb  --   40656       0       0           1755     0     0
> pic-uploader--  864764 10000000 15000000            305 10000 15000
> sv01$
> 
> sv01$ cat /etc/fstab
> f10723e9888c49b1.b none swap sw
> f10723e9888c49b1.a / ffs rw 1 1
> f10723e9888c49b1.k /home ffs rw,nodev,nosuid,noatime,softdep,userquota 1 2
> f10723e9888c49b1.d /tmp ffs rw,nodev,nosuid,noatime,softdep 1 2
> f10723e9888c49b1.f /usr ffs rw,nodev,noatime,softdep 1 2
> f10723e9888c49b1.g /usr/X11R6 ffs rw,nodev,noatime,softdep 1 2
> f10723e9888c49b1.h /usr/local ffs rw,wxallowed,nodev,noatime,softdep 1 2
> f10723e9888c49b1.j /usr/obj ffs rw,nodev,nosuid,noatime,softdep 1 2
> f10723e9888c49b1.i /usr/src ffs rw,nodev,nosuid,noatime,softdep 1 2
> f10723e9888c49b1.e /var ffs rw,nodev,nosuid,noatime,softdep 1 2
> sv01$
> 
> 
> On Tue, Mar 31, 2020 at 6:12 AM Bryan Stenson <[email protected]> wrote:
> >
> > Agreed...I'm not convinced it was due to being hosted on VMM...just
> > wanted to include that as a data point (perhaps that detail is
> > stressed too much here).
> >
> > I'm looking/learning about the "missing dquot" panic message now
> > (brushing up on CVS, etc). :)
> >
> > After reboot, the filesystem fsck'd, and all seems to be well at this point.
> >
> > On Tue, Mar 31, 2020 at 6:09 AM Pratik Vyas <[email protected]> wrote:
> > >
> > > * Bryan Stenson <[email protected]> [2020-03-31 05:57:46 +0000]:
> > >
> > > >>Synopsis:      panic on vm hosted with VMM - missing dquot
> > > >>Category:      unknown
> > > >>Environment:
> > > >        System      : OpenBSD 6.6
> > > >        Details     : OpenBSD 6.6-current (GENERIC) #85: Sun Mar 29
> > > >10:50:36 MDT 2020
> > > >
> > > >[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC
> > > >
> > > >        Architecture: OpenBSD.amd64
> > > >        Machine     : amd64
> > > >>Description:   I noticed my VM was unresponsive, and upon accessing via 
> > > >>console, received the ddb prompt.
> > > >
> > > >>How-To-Repeat: unknown
> > > >
> > > >>Fix:   unknown
> > > >
> > > >server9$ vmctl console 16
> > > >Connected to /dev/ttypg (speed 115200)
> > > >https://www.openbsd.org/ddb.html describes the minimum info required in 
> > > >bug
> > > >reports.  Insufficient info makes it difficult to find and fix bugs.
> > > >ddb> trace
> > > >db_enter() at db_enter+0x10
> > > >panic(ffffffff81c52ce1) at panic+0x128
> > > >chkdquot(fffffd80363fa968) at chkdquot+0xac
> > > >ufs_quota_alloc_blocks2(fffffd80363fa968,20,fffffd801b174918,0) at 
> > > >ufs_quota_al
> > > >loc_blocks2+0x2f
> > > >ffs_alloc(fffffd80363fa968,23,230648,4000,fffffd801b174918,ffff8000149cd458)
> > > > at
> > > > ffs_alloc+0x11e
> > > >ffs1_balloc(fffffd80363fa968,8c000,50,fffffd801b174918,1,ffff8000149cd550)
> > > > at f
> > > >fs1_balloc+0xc46
> > > >ffs_write(ffff8000149cd5c0) at ffs_write+0x262
> > > >VOP_WRITE(fffffd803aff95c0,ffff8000149cd650,3,fffffd801b174918) at 
> > > >VOP_WRITE+0x
> > > >4f
> > > >ktrwriteraw(ffff8000149ce4f0,fffffd803aff95c0,fffffd801b174918,ffff8000149cd710
> > > >,ffff8000149cd6f0) at ktrwriteraw+0xf3
> > > >ktrsyscall(ffff8000149ce4f0,3,18,ffff8000149cd7d0) at ktrsyscall+0x20c
> > > >syscall(ffff8000149cd8a0) at syscall+0x1e8
> > > >Xsyscall() at Xsyscall+0x128
> > > >end of kernel
> > > >end trace frame: 0x7f7ffffd6300, count: -12
> > > >ddb>
> > > >
> > >
> > > not sure if this is vmm (unless it's due to disk corruption?).  Anything
> > > else wrong after reboot?
> > >
> > >
> > > --
> > > Pratik
> 

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