[oi-dev] Panic on using fuse with todays "pkg update"

[Gordon Ross]

Or improve its portability (does it really need to look inside proc_t?)

On Mon, Sep 12, 2022 at 7:00 PM Gordon Ross <gordon.w.ross at gmail.com> wrote:
>
> We could integrate fuse into illumos to avoid that kind of thing.
>
> On Mon, Sep 12, 2022 at 5:02 AM Jean-Pierre André
> <jean-pierre.andre at wanadoo.fr> wrote:
> >
> > IMHO this is the culprit :
> >
> > --- ../oi-include/sys/thread.h  2020-11-19 19:37:31.170054900 +0100
> > +++ thread.h.2  2022-09-12 10:48:43.877644300 +0200
> > @@ -158,7 +158,6 @@
> >          struct _kthread *t_intr; /* interrupted (pinned) thread */
> >          uint64_t        t_intr_start;   /* timestamp when time slice
> > began */
> >          kt_did_t        t_did;  /* thread id for kernel debuggers */
> > -       caddr_t t_tnf_tpdp;     /* Trace facility data pointer */
> >          struct _kcpc_ctx *t_cpc_ctx;    /* performance counter context */
> >          struct _kcpc_set *t_cpc_set;    /* set this thread has bound */
> >
> > Which changes the location of t_procp a few lines below in
> > struct _kthread
> >
> > So have to recompile and set dependency for this to not occur again.
> >
> > Jean-Pierre
> >
> >
> > Jean-Pierre André wrote on 9/12/22 8:56 AM:
> > > This is accessing t_procp->p_pidp, so it looks very much like the
> > > kernel has been recompiled after <sys/thread.h> or <sys/proc.h>
> > > have been changed, without the fuse kernel module being recompiled
> > > (or at least being downloaded).
> > >
> > > You probably only need to recompile with current headers and download.
> > >
> > > This has already occurred before. Where is the dependency preventing
> > > this from occurring missing ?
> > >
> > > Jean-Pierre
> > >
> > > Stephan Althaus wrote on 9/11/22 10:13 PM:
> > >> Hello!
> > >>
> > >> I made a pkg update today, and was surprised to get a panic on using
> > >> my fuse file system "exfat" on USB3, which i use for 1-2 years now.
> > >>
> > >> Maybe some illumos patch is causing this (?)
> > >>
> > >> I have build the exfat bits on the new BE, to no success..
> > >>
> > >>
> > >> $ fmdump -Vp -u a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >> TIME UUID                                 SUNW-MSG-ID
> > >> Sep 11 2022 19:52:06.085966000 a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >> SUNOS-8000-KL
> > >>
> > >>    TIME                 CLASS                                 ENA
> > >>    Sep 11 19:52:04.1840 ireport.os.sunos.panic.savecore_failure
> > >> 0x0000000000000000
> > >>    Sep 11 19:52:03.9741 ireport.os.sunos.panic.dump_pending_on_device
> > >> 0x0000000000000000
> > >>
> > >> nvlist version: 0
> > >>          version = 0x0
> > >>          class = list.suspect
> > >>          uuid = a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >>          code = SUNOS-8000-KL
> > >>          diag-time = 1662918725 999156
> > >>          de = fmd:///module/software-diagnosis
> > >>          fault-list-sz = 0x1
> > >>          fault-list = (array of embedded nvlists)
> > >>          (start fault-list[0])
> > >>          nvlist version: 0
> > >>                  version = 0x0
> > >>                  class = defect.sunos.kernel.panic
> > >>                  certainty = 0x64
> > >>                  asru =
> > >> sw:///:path=/var/crash/dell/.a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >>                  resource =
> > >> sw:///:path=/var/crash/dell/.a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >>                  savecore-succcess = 0
> > >>                  failure-reason = pwrite: No such device or address
> > >>                  os-instance-uuid = a9df4d73-dc1f-e33a-e733-af1e5693a9fc
> > >>                  panicstr = BAD TRAP: type=e (#pf Page fault)
> > >> rp=fffffe003d79e850 addr=4 occurred in module "fuse" due to a NULL
> > >> pointer dereference
> > >>                  panicstack = unix:die+c6 () | unix:trap+10f7 () |
> > >> unix:cmntrap+e9 () | fuse:get_filehandle+52d () | fuse:fuse_open+6e ()
> > >> | genunix:fop_open+96 () | genunix:vn_openat+20c () |
> > >> genunix:copen+421 () | genunix:openat+29 () |
> > >> unix:brand_sys_syscall+1fe () |
> > >>                  crashtime = 1662918635
> > >>                  panic-time = 11 September 2022 at 19:50:35 CEST CEST
> > >>          (end fault-list[0])
> > >>
> > >>          fault-status = 0x1
> > >>          severity = Major
> > >>          __ttl = 0x1
> > >>          __tod = 0x631e2046 0x51fbcb0
> > >>
> > >> Greetings,
> > >>
> > >> Stephan
> > >>
> > >>
> > >> _______________________________________________
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> > >
> > >
> > >
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