Agreed. Yes, this fixes it. Thank you for all your work and persistence.
-- Cheers, Cy Schubert <cy.schub...@cschubert.com> FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few. In message <CAGudoHE-UB-6HXqubHUDwyT8qu1iK30aRL1ahJkbYue6yPM=CA@mail.gmail.c om> , Mateusz Guzik writes: > It's definitely drm, I noted it does not like the sparse array. > > This one should do thet trick then: > https://people.freebsd.org/~mjg/pmap-nosparse.diff > > On 10/8/19, Cy Schubert <cy.schub...@gmail.com> wrote: > > Still no joy. > > > > I still think drm-current-kmod is involved because these are produced just > > prior to the panic whereas the dmesg buffer is clean of them without > > r353149. > > > > Unread portion of the kernel message buffer: > > WARNING !drm_modeset_is_locked(&crtc->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 577 > > WARNING !drm_modeset_is_locked(&crtc->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 577 > > WARNING !drm_modeset_is_locked(&dev->mode_config.connection_mutex) failed > > at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper > > .c:622 > > WARNING !drm_modeset_is_locked(&dev->mode_config.connection_mutex) failed > > at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper > > .c:622 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > WARNING !drm_modeset_is_locked(&plane->mutex) failed at > > /usr/local/sys/modules/drm-current-kmod/drivers/gpu/drm/drm_atomic_helper.c > : > > 821 > > <4>WARN_ON(!mutex_is_locked(&dev->struct_mutex))WARN_ON(!mutex_is_locked(&d > e > > v->struct_mutex)) > > > > <4>WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fbc-> > > lock)) > > > > My servers (no X11) work well with this. It's only drm-current-kmod that > > has gas with this rev. > > > > I've cc'd the maintainer of drm-current-kmod (x11@). > > > > > > -- > > Cheers, > > Cy Schubert <cy.schub...@cschubert.com> > > FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org > > > > The need of the many outweighs the greed of the few. > > > > > > > > In message > > <CAGudoHHb2MZxejxjXgNCSe9npGchg7J7KzCh8YXTGXfge+5tDw@mail.gmail.c > > om> > > , Mateusz Guzik writes: > >> Does this fix it for you? > >> > >> https://people.freebsd.org/~mjg/pmap-fict.diff > >> > >> On 10/7/19, Mateusz Guzik <mjgu...@gmail.com> wrote: > >> > Ok, looks ilke it does not like the sparse array for fictitious > >> > mappings. I'll see about a patch. > >> > > >> > On 10/7/19, Cy Schubert <cy.schub...@gmail.com> wrote: > >> >> In message > >> >> <CAGudoHFbuUgCrBa1JS6S5ynB_obpwBJdyRP66bd-WuhHO8ZP7A@mail.gmail.c > >> >> om> > >> >> , Mateusz Guzik writes: > >> >>> Can you show: > >> >>> > >> >>> sysctl vm.phys_segso > >> >> > >> >> vm.phys_segs: > >> >> SEGMENT 0: > >> >> > >> >> start: 0x10000 > >> >> end: 0x9d000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f31070 > >> >> > >> >> SEGMENT 1: > >> >> > >> >> start: 0x100000 > >> >> end: 0x1000000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f31070 > >> >> > >> >> SEGMENT 2: > >> >> > >> >> start: 0x1000000 > >> >> end: 0x1ca4000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 3: > >> >> > >> >> start: 0x1cb3000 > >> >> end: 0x1ce3000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 4: > >> >> > >> >> start: 0x1f00000 > >> >> end: 0x20000000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 5: > >> >> > >> >> start: 0x20200000 > >> >> end: 0x40000000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 6: > >> >> > >> >> start: 0x40203000 > >> >> end: 0xd4993000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 7: > >> >> > >> >> start: 0xd6fff000 > >> >> end: 0xd7000000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 8: > >> >> > >> >> start: 0x100001000 > >> >> end: 0x211d4d000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> SEGMENT 9: > >> >> > >> >> start: 0x21fc00000 > >> >> end: 0x21fd44000 > >> >> domain: 0 > >> >> free list: 0xffffffff80f30e00 > >> >> > >> >> > >> >> > >> >>> > >> >>> and from the crashdump: > >> >>> p pv_table > >> >> > >> >> $1 = (struct pmap_large_md_page *) 0xfffffe000e000000 > >> >> > >> >> kgdb) p *pv_table > >> >> $1 = {pv_lock = {lock_object = {lo_name = 0xffffffff80b0a9ce "pmap pv > >> >> list", > >> >> lo_flags = 623050752, lo_data = 0, lo_witness = > >> >> 0x800000000201f163}, > >> >> rw_lock = 1}, pv_page = {pv_list = {tqh_first = 0x0, > >> >> tqh_last = 0xfffffe000e000020}, pv_gen = 0, pat_mode = 0}, > >> >> pv_invl_gen = 0} > >> >> (kgdb) > >> >> > >> >> > >> >> -- > >> >> Cheers, > >> >> Cy Schubert <cy.schub...@cschubert.com> > >> >> FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org > >> >> > >> >> The need of the many outweighs the greed of the few. > >> >> > >> >> > >> >>> > >> >>> On 10/7/19, Cy Schubert <cy.schub...@cschubert.com> wrote: > >> >>> > In message <201910070406.x9746n0u009...@slippy.cwsent.com>, Cy > >> >>> > Schubert > >> >>> > writes: > >> >>> >> In message <201910062213.x96mdzv3085...@repo.freebsd.org>, Mateusz > >> >>> >> Guzik > >> >>> >> writes > >> >>> >> : > >> >>> >> > Author: mjg > >> >>> >> > Date: Sun Oct 6 22:13:35 2019 > >> >>> >> > New Revision: 353149 > >> >>> >> > URL: https://svnweb.freebsd.org/changeset/base/353149 > >> >>> >> > > >> >>> >> > Log: > >> >>> >> > amd64 pmap: implement per-superpage locks > >> >>> >> > > >> >>> >> > The current 256-lock sized array is a problem in the following > >> >>> >> > ways: > >> >>> >> > - it's way too small > >> >>> >> > - there are 2 locks per cacheline > >> >>> >> > - it is not NUMA-aware > >> >>> >> > > >> >>> >> > Solve these issues by introducing per-superpage locks backed > >> >>> >> > by > >> >>> >> > pages > >> >>> >> > allocated from respective domains. > >> >>> >> > > >> >>> >> > This significantly reduces contention e.g. during poudriere -j > >> >>> >> > 104. > >> >>> >> > See the review for results. > >> >>> >> > > >> >>> >> > Reviewed by: kib > >> >>> >> > Discussed with: jeff > >> >>> >> > Sponsored by: The FreeBSD Foundation > >> >>> >> > Differential Revision: https://reviews.freebsd.org/D21833 > >> >>> >> > > >> >>> >> > Modified: > >> >>> >> > head/sys/amd64/amd64/pmap.c > >> >>> >> > > >> >>> >> > Modified: head/sys/amd64/amd64/pmap.c > >> >>> >> > ================================================================= > === > >> ==== > >> >>> === > >> >>> >> == > >> >>> >> > = > >> >>> >> > --- head/sys/amd64/amd64/pmap.c Sun Oct 6 20:36:25 2019 > >> (r35314 > >> >>> >> > 8) > >> >>> >> > +++ head/sys/amd64/amd64/pmap.c Sun Oct 6 22:13:35 2019 > >> (r35314 > >> >>> >> > 9) > >> >>> >> > @@ -316,13 +316,25 @@ pmap_pku_mask_bit(pmap_t pmap) > >> >>> >> > #define PV_STAT(x) do { } while (0) > >> >>> >> > #endif > >> >>> >> > > >> >>> >> > -#define pa_index(pa) ((pa) >> PDRSHIFT) > >> >>> >> > +#undef pa_index > >> >>> >> > +#define pa_index(pa) ({ > >> \ > >> >>> >> > + KASSERT((pa) <= vm_phys_segs[vm_phys_nsegs - 1].end, \ > >> >>> >> > + ("address %lx beyond the last segment", (pa))); \ > >> >>> >> > + (pa) >> PDRSHIFT; \ > >> >>> >> > +}) > >> >>> >> > +#if VM_NRESERVLEVEL > 0 > >> >>> >> > +#define pa_to_pmdp(pa) (&pv_table[pa_index(pa)]) > >> >>> >> > +#define pa_to_pvh(pa) (&(pa_to_pmdp(pa)->pv_page)) > >> >>> >> > +#define PHYS_TO_PV_LIST_LOCK(pa) \ > >> >>> >> > + (&(pa_to_pmdp(pa)->pv_lock)) > >> >>> >> > +#else > >> >>> >> > #define pa_to_pvh(pa) (&pv_table[pa_index(pa)]) > >> >>> >> > > >> >>> >> > #define NPV_LIST_LOCKS MAXCPU > >> >>> >> > > >> >>> >> > #define PHYS_TO_PV_LIST_LOCK(pa) \ > >> >>> >> > (&pv_list_locks[pa_index(pa) % NPV_LIST_LOCKS]) > >> >>> >> > +#endif > >> >>> >> > > >> >>> >> > #define CHANGE_PV_LIST_LOCK_TO_PHYS(lockp, pa) do { \ > >> >>> >> > struct rwlock **_lockp = (lockp); \ > >> >>> >> > @@ -400,14 +412,22 @@ static int pmap_initialized; > >> >>> >> > > >> >>> >> > /* > >> >>> >> > * Data for the pv entry allocation mechanism. > >> >>> >> > - * Updates to pv_invl_gen are protected by the pv_list_locks[] > >> >>> >> > - * elements, but reads are not. > >> >>> >> > + * Updates to pv_invl_gen are protected by the pv list lock but > >> >>> >> > reads > >> >>> >> > are > >> >>> >> no > >> >>> >> > t. > >> >>> >> > */ > >> >>> >> > static TAILQ_HEAD(pch, pv_chunk) pv_chunks = > >> >>> >> > TAILQ_HEAD_INITIALIZER(pv_chu > >> >>> >> nk > >> >>> >> > s); > >> >>> >> > static struct mtx __exclusive_cache_line pv_chunks_mutex; > >> >>> >> > +#if VM_NRESERVLEVEL > 0 > >> >>> >> > +struct pmap_large_md_page { > >> >>> >> > + struct rwlock pv_lock; > >> >>> >> > + struct md_page pv_page; > >> >>> >> > + u_long pv_invl_gen; > >> >>> >> > +}; > >> >>> >> > +static struct pmap_large_md_page *pv_table; > >> >>> >> > +#else > >> >>> >> > static struct rwlock __exclusive_cache_line > >> >>> >> > pv_list_locks[NPV_LIST_LOCKS]; > >> >>> >> > static u_long pv_invl_gen[NPV_LIST_LOCKS]; > >> >>> >> > static struct md_page *pv_table; > >> >>> >> > +#endif > >> >>> >> > static struct md_page pv_dummy; > >> >>> >> > > >> >>> >> > /* > >> >>> >> > @@ -918,12 +938,21 @@ SYSCTL_LONG(_vm_pmap, OID_AUTO, > >> >>> >> > invl_wait_slow, > >> >>> >> > CTLFL > >> >>> >> A > >> >>> >> > "Number of slow invalidation waits for lockless DI"); > >> >>> >> > #endif > >> >>> >> > > >> >>> >> > +#if VM_NRESERVLEVEL > 0 > >> >>> >> > static u_long * > >> >>> >> > pmap_delayed_invl_genp(vm_page_t m) > >> >>> >> > { > >> >>> >> > > >> >>> >> > + return (&pa_to_pmdp(VM_PAGE_TO_PHYS(m))->pv_invl_gen); > >> >>> >> > +} > >> >>> >> > +#else > >> >>> >> > +static u_long * > >> >>> >> > +pmap_delayed_invl_genp(vm_page_t m) > >> >>> >> > +{ > >> >>> >> > + > >> >>> >> > return (&pv_invl_gen[pa_index(VM_PAGE_TO_PHYS(m)) % > >> >>> >> > NPV_LIST_LO > >> >>> CKS]); > >> >>> >> > } > >> >>> >> > +#endif > >> >>> >> > > >> >>> >> > static void > >> >>> >> > pmap_delayed_invl_callout_func(void *arg __unused) > >> >>> >> > @@ -1803,6 +1832,112 @@ pmap_page_init(vm_page_t m) > >> >>> >> > m->md.pat_mode = PAT_WRITE_BACK; > >> >>> >> > } > >> >>> >> > > >> >>> >> > +#if VM_NRESERVLEVEL > 0 > >> >>> >> > +static void > >> >>> >> > +pmap_init_pv_table(void) > >> >>> >> > +{ > >> >>> >> > + struct pmap_large_md_page *pvd; > >> >>> >> > + vm_size_t s; > >> >>> >> > + long start, end, highest, pv_npg; > >> >>> >> > + int domain, i, j, pages; > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * We strongly depend on the size being a power of two, so the > >> >>> assert > >> >>> >> > + * is overzealous. However, should the struct be resized to a > >> >>> >> > + * different power of two, the code below needs to be > >> >>> >> > revisited > >> >>> . > >> >>> >> > + */ > >> >>> >> > + CTASSERT((sizeof(*pvd) == 64)); > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * Calculate the size of the array. > >> >>> >> > + */ > >> >>> >> > + pv_npg = howmany(vm_phys_segs[vm_phys_nsegs - 1].end, NBPDR); > >> >>> >> > + s = (vm_size_t)pv_npg * sizeof(struct pmap_large_md_page); > >> >>> >> > + s = round_page(s); > >> >>> >> > + pv_table = (struct pmap_large_md_page *)kva_alloc(s); > >> >>> >> > + if (pv_table == NULL) > >> >>> >> > + panic("%s: kva_alloc failed\n", __func__); > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * Iterate physical segments to allocate space for respective > >> >>> >> > p > >> >>> ages. > >> >>> >> > + */ > >> >>> >> > + highest = -1; > >> >>> >> > + s = 0; > >> >>> >> > + for (i = 0; i < vm_phys_nsegs; i++) { > >> >>> >> > + start = vm_phys_segs[i].start / NBPDR; > >> >>> >> > + end = vm_phys_segs[i].end / NBPDR; > >> >>> >> > + domain = vm_phys_segs[i].domain; > >> >>> >> > + > >> >>> >> > + if (highest >= end) > >> >>> >> > + continue; > >> >>> >> > + > >> >>> >> > + if (start < highest) { > >> >>> >> > + start = highest + 1; > >> >>> >> > + pvd = &pv_table[start]; > >> >>> >> > + } else { > >> >>> >> > + /* > >> >>> >> > + * The lowest address may land somewhere in the > >> >>> middle > >> >>> >> > + * of our page. Simplify the code by pretending > >> >>> it is > >> >>> >> > + * at the beginning. > >> >>> >> > + */ > >> >>> >> > + pvd = pa_to_pmdp(vm_phys_segs[i].start); > >> >>> >> > + pvd = (struct pmap_large_md_page *)trunc_page(p > >> >>> vd); > >> >>> >> > + start = pvd - pv_table; > >> >>> >> > + } > >> >>> >> > + > >> >>> >> > + pages = end - start + 1; > >> >>> >> > + s = round_page(pages * sizeof(*pvd)); > >> >>> >> > + highest = start + (s / sizeof(*pvd)) - 1; > >> >>> >> > + > >> >>> >> > + for (j = 0; j < s; j += PAGE_SIZE) { > >> >>> >> > + vm_page_t m = vm_page_alloc_domain(NULL, 0, > >> >>> >> > + domain, VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ); > >> >>> >> > + if (m == NULL) > >> >>> >> > + panic("vm_page_alloc_domain failed for > >> >>> %lx\n", > >> >>> >> > (vm_offset_t)pvd + j); > >> >>> >> > + pmap_qenter((vm_offset_t)pvd + j, &m, 1); > >> >>> >> > + } > >> >>> >> > + > >> >>> >> > + for (j = 0; j < s / sizeof(*pvd); j++) { > >> >>> >> > + rw_init_flags(&pvd->pv_lock, "pmap pv list", RW > >> >>> _NEW); > >> >>> >> > + TAILQ_INIT(&pvd->pv_page.pv_list); > >> >>> >> > + pvd->pv_page.pv_gen = 0; > >> >>> >> > + pvd->pv_page.pat_mode = 0; > >> >>> >> > + pvd->pv_invl_gen = 0; > >> >>> >> > + pvd++; > >> >>> >> > + } > >> >>> >> > + } > >> >>> >> > + TAILQ_INIT(&pv_dummy.pv_list); > >> >>> >> > +} > >> >>> >> > +#else > >> >>> >> > +static void > >> >>> >> > +pmap_init_pv_table(void) > >> >>> >> > +{ > >> >>> >> > + vm_size_t s; > >> >>> >> > + long i, pv_npg; > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * Initialize the pool of pv list locks. > >> >>> >> > + */ > >> >>> >> > + for (i = 0; i < NPV_LIST_LOCKS; i++) > >> >>> >> > + rw_init(&pv_list_locks[i], "pmap pv list"); > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * Calculate the size of the pv head table for superpages. > >> >>> >> > + */ > >> >>> >> > + pv_npg = howmany(vm_phys_segs[vm_phys_nsegs - 1].end, NBPDR); > >> >>> >> > + > >> >>> >> > + /* > >> >>> >> > + * Allocate memory for the pv head table for superpages. > >> >>> >> > + */ > >> >>> >> > + s = (vm_size_t)pv_npg * sizeof(struct md_page); > >> >>> >> > + s = round_page(s); > >> >>> >> > + pv_table = (struct md_page *)kmem_malloc(s, M_WAITOK | > >> >>> >> > M_ZERO); > >> >>> >> > + for (i = 0; i < pv_npg; i++) > >> >>> >> > + TAILQ_INIT(&pv_table[i].pv_list); > >> >>> >> > + TAILQ_INIT(&pv_dummy.pv_list); > >> >>> >> > +} > >> >>> >> > +#endif > >> >>> >> > + > >> >>> >> > /* > >> >>> >> > * Initialize the pmap module. > >> >>> >> > * Called by vm_init, to initialize any structures that th > e > >> >>> >> > pmap > >> >>> >> > @@ -1813,8 +1948,7 @@ pmap_init(void) > >> >>> >> > { > >> >>> >> > struct pmap_preinit_mapping *ppim; > >> >>> >> > vm_page_t m, mpte; > >> >>> >> > - vm_size_t s; > >> >>> >> > - int error, i, pv_npg, ret, skz63; > >> >>> >> > + int error, i, ret, skz63; > >> >>> >> > > >> >>> >> > /* L1TF, reserve page @0 unconditionally */ > >> >>> >> > vm_page_blacklist_add(0, bootverbose); > >> >>> >> > @@ -1902,26 +2036,7 @@ pmap_init(void) > >> >>> >> > */ > >> >>> >> > mtx_init(&pv_chunks_mutex, "pmap pv chunk list", NULL, > >> >>> >> > MTX_DEF) > >> >>> ; > >> >>> >> > > >> >>> >> > - /* > >> >>> >> > - * Initialize the pool of pv list locks. > >> >>> >> > - */ > >> >>> >> > - for (i = 0; i < NPV_LIST_LOCKS; i++) > >> >>> >> > - rw_init(&pv_list_locks[i], "pmap pv list"); > >> >>> >> > - > >> >>> >> > - /* > >> >>> >> > - * Calculate the size of the pv head table for superpages. > >> >>> >> > - */ > >> >>> >> > - pv_npg = howmany(vm_phys_segs[vm_phys_nsegs - 1].end, NBPDR); > >> >>> >> > - > >> >>> >> > - /* > >> >>> >> > - * Allocate memory for the pv head table for superpages. > >> >>> >> > - */ > >> >>> >> > - s = (vm_size_t)(pv_npg * sizeof(struct md_page)); > >> >>> >> > - s = round_page(s); > >> >>> >> > - pv_table = (struct md_page *)kmem_malloc(s, M_WAITOK | > >> >>> >> > M_ZERO); > >> >>> >> > - for (i = 0; i < pv_npg; i++) > >> >>> >> > - TAILQ_INIT(&pv_table[i].pv_list); > >> >>> >> > - TAILQ_INIT(&pv_dummy.pv_list); > >> >>> >> > + pmap_init_pv_table(); > >> >>> >> > > >> >>> >> > pmap_initialized = 1; > >> >>> >> > for (i = 0; i < PMAP_PREINIT_MAPPING_COUNT; i++) { > >> >>> >> > > >> >>> >> > >> >>> >> This causes a page fault during X (xdm) startup, which loads > >> >>> >> drm-current-kmod. > >> >>> >> > >> >>> >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame > >> >>> >> 0xfffffe0093e9c260 > >> >>> >> vpanic() at vpanic+0x19d/frame 0xfffffe0093e9c2b0 > >> >>> >> panic() at panic+0x43/frame 0xfffffe0093e9c310 > >> >>> >> vm_fault() at vm_fault+0x2126/frame 0xfffffe0093e9c460 > >> >>> >> vm_fault_trap() at vm_fault_trap+0x73/frame 0xfffffe0093e9c4b0 > >> >>> >> trap_pfault() at trap_pfault+0x1b6/frame 0xfffffe0093e9c510 > >> >>> >> trap() at trap+0x2a1/frame 0xfffffe0093e9c620 > >> >>> >> calltrap() at calltrap+0x8/frame 0xfffffe0093e9c620 > >> >>> >> --- trap 0xc, rip = 0xffffffff80a054b1, rsp = 0xfffffe0093e9c6f0, > >> >>> >> rbp > >> >>> >> = > >> >>> >> 0xfffffe0093e9c7a0 --- > >> >>> >> pmap_enter() at pmap_enter+0x861/frame 0xfffffe0093e9c7a0 > >> >>> >> vm_fault() at vm_fault+0x1c69/frame 0xfffffe0093e9c8f0 > >> >>> >> vm_fault_trap() at vm_fault_trap+0x73/frame 0xfffffe0093e9c940 > >> >>> >> trap_pfault() at trap_pfault+0x1b6/frame 0xfffffe0093e9c9a0 > >> >>> >> trap() at trap+0x438/frame 0xfffffe0093e9cab0 > >> >>> >> calltrap() at calltrap+0x8/frame 0xfffffe0093e9cab0 > >> >>> >> --- trap 0xc, rip = 0x30e2a9c3, rsp = 0x7fffffffea50, rbp = > >> >>> >> 0x7fffffffeaa0 > >> >>> >> > >> >>> >> --- > >> >>> >> Uptime: 3m33s > >> >>> >> Dumping 945 out of 7974 > >> >>> >> MB:..2%..11%..21%..31%..41%..51%..61%..72%..82%..92% > >> >>> >> > >> >>> >> (kgdb) bt > >> >>> >> #0 doadump (textdump=1) at pcpu_aux.h:55 > >> >>> >> #1 0xffffffff8068c5ed in kern_reboot (howto=260) > >> >>> >> at /opt/src/svn-current/sys/kern/kern_shutdown.c:479 > >> >>> >> #2 0xffffffff8068caa9 in vpanic (fmt=<value optimized out>, > >> >>> >> ap=<value optimized out>) > >> >>> >> at /opt/src/svn-current/sys/kern/kern_shutdown.c:908 > >> >>> >> #3 0xffffffff8068c8a3 in panic (fmt=<value optimized out>) > >> >>> >> at /opt/src/svn-current/sys/kern/kern_shutdown.c:835 > >> >>> >> #4 0xffffffff8098c966 in vm_fault (map=<value optimized out>, > >> >>> >> vaddr=<value optimized out>, fault_type=<value optimized out>, > >> >>> >> fault_flags=<value optimized out>, m_hold=<value optimized > >> >>> >> out>) > >> >>> >> at /opt/src/svn-current/sys/vm/vm_fault.c:672 > >> >>> >> #5 0xffffffff8098a723 in vm_fault_trap (map=0xfffff80002001000, > >> >>> >> vaddr=<value optimized out>, fault_type=2 '\002', > >> >>> >> fault_flags=<value optimized out>, signo=0x0, ucode=0x0) > >> >>> >> at /opt/src/svn-current/sys/vm/vm_fault.c:568 > >> >>> >> #6 0xffffffff80a18326 in trap_pfault (frame=0xfffffe0093e9c630, > >> >>> >> signo=<value optimized out>, ucode=<value optimized out>) > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/trap.c:828 > >> >>> >> #7 0xffffffff80a177f1 in trap (frame=0xfffffe0093e9c630) > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/trap.c:407 > >> >>> >> #8 0xffffffff809f1aac in calltrap () > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/exception.S:289 > >> >>> >> ---Type <return> to continue, or q <return> to quit--- > >> >>> >> #9 0xffffffff80a054b1 in pmap_enter (pmap=<value optimized out>, > >> >>> >> va=851443712, m=0xfffffe0005b25ce8, prot=<value optimized > >> >>> >> out>, > >> >>> >> flags=2677542912, psind=<value optimized out>) at atomic.h:221 > >> >>> >> #10 0xffffffff8098c4a9 in vm_fault (map=<value optimized out>, > >> >>> >> vaddr=<value optimized out>, fault_type=232 '\ufffd', > >> >>> >> fault_flags=<value optimized out>, m_hold=0x0) > >> >>> >> at /opt/src/svn-current/sys/vm/vm_fault.c:489 > >> >>> >> #11 0xffffffff8098a723 in vm_fault_trap (map=0xfffff80173eb5000, > >> >>> >> vaddr=<value optimized out>, fault_type=2 '\002', > >> >>> >> fault_flags=<value optimized out>, signo=0xfffffe0093e9ca84, > >> >>> >> ucode=0xfffffe0093e9ca80) at > >> >>> >> /opt/src/svn-current/sys/vm/vm_fault.c:568 > >> >>> >> #12 0xffffffff80a18326 in trap_pfault (frame=0xfffffe0093e9cac0, > >> >>> >> signo=<value optimized out>, ucode=<value optimized out>) > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/trap.c:828 > >> >>> >> #13 0xffffffff80a17988 in trap (frame=0xfffffe0093e9cac0) > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/trap.c:347 > >> >>> >> #14 0xffffffff809f1aac in calltrap () > >> >>> >> at /opt/src/svn-current/sys/amd64/amd64/exception.S:289 > >> >>> >> #15 0x0000000030e2a9c3 in ?? () > >> >>> >> Previous frame inner to this frame (corrupt stack?) > >> >>> >> Current language: auto; currently minimal > >> >>> >> (kgdb) frame 9 > >> >>> >> #9 0xffffffff80a054b1 in pmap_enter (pmap=<value optimized out>, > >> >>> >> va=851443712, m=0xfffffe0005b25ce8, prot=<value optimized > >> >>> >> out>, > >> >>> >> flags=2677542912, psind=<value optimized out>) at atomic.h:221 > >> >>> >> 221 ATOMIC_CMPSET(long); > >> >>> >> (kgdb) l > >> >>> >> 216 } > >> >>> >> 217 > >> >>> >> 218 ATOMIC_CMPSET(char); > >> >>> >> 219 ATOMIC_CMPSET(short); > >> >>> >> 220 ATOMIC_CMPSET(int); > >> >>> >> 221 ATOMIC_CMPSET(long); > >> >>> >> 222 > >> >>> >> 223 /* > >> >>> >> 224 * Atomically add the value of v to the integer pointed to by > >> >>> >> p > >> >>> and > >> >>> >> return > >> >>> >> 225 * the previous value of *p. > >> >>> >> (kgdb) > >> >>> > > >> >>> > I should use kgdb from ports instead of /usr/libexec version. > >> >>> > Similar > >> >>> > result. > >> >>> > > >> >>> > <4>WARN_ON(!mutex_is_locked(&fbc->lock))WARN_ON(!mutex_is_locked(&fb > c-> > >> >>> > lock)) > >> >>> > panic: vm_fault: fault on nofault entry, addr: 0xfffffe000e01c000 > >> >>> > cpuid = 1 > >> >>> > time = 1570417211 > >> >>> > KDB: stack backtrace: > >> >>> > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame > >> >>> > 0xfffffe0093e9c260 > >> >>> > vpanic() at vpanic+0x19d/frame 0xfffffe0093e9c2b0 > >> >>> > panic() at panic+0x43/frame 0xfffffe0093e9c310 > >> >>> > vm_fault() at vm_fault+0x2126/frame 0xfffffe0093e9c460 > >> >>> > vm_fault_trap() at vm_fault_trap+0x73/frame 0xfffffe0093e9c4b0 > >> >>> > trap_pfault() at trap_pfault+0x1b6/frame 0xfffffe0093e9c510 > >> >>> > trap() at trap+0x2a1/frame 0xfffffe0093e9c620 > >> >>> > calltrap() at calltrap+0x8/frame 0xfffffe0093e9c620 > >> >>> > --- trap 0xc, rip = 0xffffffff80a054b1, rsp = 0xfffffe0093e9c6f0, > >> >>> > rbp > >> >>> > = > >> >>> > 0xfffffe0093e9c7a0 --- > >> >>> > pmap_enter() at pmap_enter+0x861/frame 0xfffffe0093e9c7a0 > >> >>> > vm_fault() at vm_fault+0x1c69/frame 0xfffffe0093e9c8f0 > >> >>> > vm_fault_trap() at vm_fault_trap+0x73/frame 0xfffffe0093e9c940 > >> >>> > trap_pfault() at trap_pfault+0x1b6/frame 0xfffffe0093e9c9a0 > >> >>> > trap() at trap+0x438/frame 0xfffffe0093e9cab0 > >> >>> > calltrap() at calltrap+0x8/frame 0xfffffe0093e9cab0 > >> >>> > --- trap 0xc, rip = 0x30e2a9c3, rsp = 0x7fffffffea50, rbp = > >> >>> > 0x7fffffffeaa0 > >> >>> > --- > >> >>> > Uptime: 3m33s > >> >>> > Dumping 945 out of 7974 > >> >>> > MB:..2%..11%..21%..31%..41%..51%..61%..72%..82%..92% > >> >>> > > >> >>> > __curthread () at > >> >>> > /opt/src/svn-current/sys/amd64/include/pcpu_aux.h:55 > >> >>> > 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(st > >> ruct pcp > >> >>> u, > >> >>> > (kgdb) > >> >>> > > >> >>> > Backtrace stopped: Cannot access memory at address 0x7fffffffea50 > >> >>> > (kgdb) frame 10 > >> >>> > #10 0xffffffff80a054b1 in atomic_fcmpset_long (dst=<optimized out>, > >> >>> > src=<optimized out>, expect=<optimized out>) > >> >>> > at /opt/src/svn-current/sys/amd64/include/atomic.h:221 > >> >>> > 221 ATOMIC_CMPSET(long); > >> >>> > (kgdb) l > >> >>> > 216 } > >> >>> > 217 > >> >>> > 218 ATOMIC_CMPSET(char); > >> >>> > 219 ATOMIC_CMPSET(short); > >> >>> > 220 ATOMIC_CMPSET(int); > >> >>> > 221 ATOMIC_CMPSET(long); > >> >>> > 222 > >> >>> > 223 /* > >> >>> > 224 * Atomically add the value of v to the integer pointed to by p > >> >>> > and > >> >>> > return > >> >>> > 225 * the previous value of *p. > >> >>> > (kgdb) > >> >>> > > >> >>> > > >> >>> > > >> >>> > -- > >> >>> > Cheers, > >> >>> > Cy Schubert <cy.schub...@cschubert.com> > >> >>> > FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org > >> >>> > > >> >>> > The need of the many outweighs the greed of the few. > >> >>> > > >> >>> > > >> >>> > > >> >>> > >> >>> > >> >>> -- > >> >>> Mateusz Guzik <mjguzik gmail.com> > >> >> > >> >> > >> >> > >> >> > >> >> > >> > > >> > > >> > -- > >> > Mateusz Guzik <mjguzik gmail.com> > >> > > >> > >> > >> -- > >> Mateusz Guzik <mjguzik gmail.com> > > > > > > > > > -- > Mateusz Guzik <mjguzik gmail.com> _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
