On Tue, Apr 18, 2017 at 12:54 PM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: > On Tue 18-04-17 09:42:57, Dan Williams wrote: >> On Tue, Apr 18, 2017 at 12:14 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: >> > On Mon 17-04-17 14:51:12, Dan Williams wrote: >> >> On Tue, Apr 11, 2017 at 10:03 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: >> >> > All the reported issue seem to be fixed and pushed to my git tree >> >> > attempts/rewrite-mem_hotplug branch. I will wait a day or two for more >> >> > feedback and then repost for the inclusion. I would really appreaciate >> >> > more testing/review! >> >> >> >> This still seems to be based on 4.10? It's missing some block-layer >> >> fixes and other things that trigger failures in the nvdimm unit tests. >> >> Can you rebase to a more recent 4.11-rc? >> > >> > OK, I will rebase on top of linux-next. This has been based on mmotm >> > tree so far. Btw. is there anything that would change the current >> > implementation other than small context tweaks? In other words, do you >> > see any issues with the current implementation regarding nvdimm's >> > ZONE_DEVICE usage? >> >> I don't foresee any issues, but I wanted to be able to run the latest >> test suite to be sure. > > OK, the rebase on top of the current linux-next is in my git tree [1] > attempts/rewrite-mem_hotplug branch. I will post the full series > tomorrow hopefully. > > [1] git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git I'm hitting the following with the "device-dax" unit test [1]. Does not look like your changes, but I'm kicking off a bisect between v4.11-rc7 and this branch tip. [1]: https://github.com/pmem/ndctl/blob/master/test/device-dax.c --- [ 547.047430] BUG: unable to handle kernel paging request at ffff880001000000 [ 547.048954] IP: native_set_pte_at+0x1/0x10 [ 547.049967] PGD 3197067 [ 547.049968] P4D 3197067 [ 547.050779] PUD 3198067 [ 547.051589] PMD 33ff00067 [ 547.052401] PTE 8000000001000161 [ 547.053237] [ 547.054819] Oops: 0003 [#1] SMP DEBUG_PAGEALLOC [ 547.055907] Dumping ftrace buffer: [ 547.056864] (ftrace buffer empty) [ 547.057815] Modules linked in: nd_blk(O) ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_n at_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel dax_pmem(O) nd_pmem(O) dax(O) nd_btt(O) nfit(O) nd_e820(O) tpm_tis libnvdimm(O) serio_raw tpm_tis_core tpm nfit_test_iomap(O) nfsd nfs_acl [last unloaded: nfit_test] [ 547.069034] CPU: 17 PID: 9526 Comm: lt-ndctl Tainted: G O 4.11.0-rc7-next-20170418+ #34 [ 547.071122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-1.fc25 04/01/2014 [ 547.073163] task: ffff880322f518c0 task.stack: ffffc90002f08000 [ 547.074433] RIP: 0010:native_set_pte_at+0x1/0x10 [ 547.075523] RSP: 0018:ffffc90002f0bb90 EFLAGS: 00010246 [ 547.076703] RAX: 0000000000000000 RBX: ffff880200000000 RCX: 0000000000000000 [ 547.078129] RDX: ffff880001000000 RSI: ffff880200000000 RDI: ffffffff820892e0 [ 547.079549] RBP: ffffc90002f0bba8 R08: 0000000000000000 R09: ffffffff81ec7264 [ 547.080969] R10: ffffc90002f0bb28 R11: ffff880322f518c0 R12: ffff880200200000 [ 547.082389] R13: ffff88033ff00000 R14: ffff880200001000 R15: ffff880200000000 [ 547.083816] FS: 00007fc08d585380(0000) GS:ffff880336040000(0000) knlGS:0000000000000000 [ 547.085777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 547.087013] CR2: ffff880001000000 CR3: 000000019fe1f000 CR4: 00000000000406e0 [ 547.091667] Call Trace: [ 547.092466] ? pte_clear.constprop.18+0x26/0x2b [ 547.093563] remove_pagetable+0x4af/0x783 [ 547.094582] arch_remove_memory+0xa2/0xc0 [ 547.095598] devm_memremap_pages_release+0xde/0x330 [ 547.096726] release_nodes+0x16d/0x2b0 [ 547.097702] devres_release_all+0x3c/0x50 [ 547.098726] device_release_driver_internal+0x16d/0x210 [ 547.099900] device_release_driver+0x12/0x20 [ 547.100949] unbind_store+0x10f/0x160 [ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
