https://bugzilla.kernel.org/show_bug.cgi?id=201631 --- Comment #70 from erhard_f@xxxxxxxxxxx --- (In reply to Aneesh Kumar KV from comment #69) > Ok, can we try with only Revert-powerpc-mm-book3s-Enable-THP-migration > patch? I am looking at whether we are getting the migration check on page > table entries wrong. Applied only Revert-powerpc-mm-book3s-Enable-THP-migration to -rc5. This provokes the bug after 1 x llvm debug build (my usual test case): [...] [ 1596.523635] WARNING: CPU: 15 PID: 1709 at fs/ext4/inode.c:3928 .ext4_set_page_dirty+0x70/0xb0 [ 1596.523768] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc sr_mod cdrom cfg80211 rfkill radeon evdev ghash_generic gf128mul snd_hda_codec_hdmi i2c_algo_bit ttm ecb drm_kms_helper snd_hda_intel snd_hda_codec xts snd_hwdep cfbfillrect snd_hda_core cfbimgblt xhci_pci sy scopyarea sysimgblt snd_pcm sysfillrect fb_sys_fops cbc xhci_hcd mptsas cfbcopyarea scsi_transport_sas u sbcore mptscsih drm tg3 vmx_crypto powernv_flash snd_timer snd libphy mtd mptbase at24 crc32c_vpmsum ibm powernv opal_prd scsi_mod hwmon soundcore drm_panel_orientation_quirks backlight usb_common lz4 lz4_comp ress lz4_decompress zram zsmalloc [ 1596.523840] CPU: 15 PID: 1709 Comm: debugedit Not tainted 5.0.0-rc5 #1 [ 1596.523846] NIP: c00000000040f330 LR: c00000000025bd20 CTR: c00000000040f2c0 [ 1596.523851] REGS: c0000007b56b7530 TRAP: 0700 Not tainted (5.0.0-rc5) [ 1596.523854] MSR: 9000000000029032 <SF,HV,EE,ME,IR,DR,RI> CR: 24082498 XER: 20040000 [ 1596.523866] CFAR: c00000000040f304 IRQMASK: 0 GPR00: c00000000025bd20 c0000007b56b77c0 c0000000011e2b00 c00a00001a63ff40 GPR04: 00003fffa7a33000 c000000698ffd186 0000000000000001 0000000000000000 GPR08: 0000000000000000 0000000000000000 c00a00001a63ff08 0000000000000000 GPR12: 0000000024082492 c0000007ffffa400 c000000698ffd186 1000000000000000 GPR16: 00003fffa7a33000 e61fffffffffffff c0000007ab96a190 c0000000011f3918 GPR20: 00003fffa7a34000 c00a00001a63ff40 c0000004bdc64ce8 c0000007ce95fc50 GPR24: c0000007ab5069e8 c0000007de586198 fffffffffffffe7f 0000000000000000 GPR28: 00003fffa7a9b000 ffffffffffffffff 0000000000000000 c00a00001a63ff40 [ 1596.523898] NIP [c00000000040f330] .ext4_set_page_dirty+0x70/0xb0 [ 1596.523903] LR [c00000000025bd20] .set_page_dirty+0xa0/0x150 [ 1596.523907] Call Trace: [ 1596.523913] [c0000007b56b77c0] [c000000000266070] .activate_page+0xf0/0x160 (unreliable) [ 1596.523920] [c0000007b56b7830] [c00000000025bd20] .set_page_dirty+0xa0/0x150 [ 1596.523927] [c0000007b56b78b0] [c0000000002a4c90] .unmap_page_range+0xc10/0xe10 [ 1596.523932] [c0000007b56b7a40] [c0000000002a5224] .unmap_vmas+0xa4/0x150 [ 1596.523938] [c0000007b56b7b00] [c0000000002afc18] .unmap_region+0xe8/0x190 [ 1596.523944] [c0000007b56b7c30] [c0000000002b22f0] .__do_munmap+0x2f0/0x510 [ 1596.523949] [c0000007b56b7cf0] [c0000000002b2590] .__vm_munmap+0x80/0x110 [ 1596.523955] [c0000007b56b7db0] [c0000000002b2654] .__se_sys_munmap+0x14/0x30 [ 1596.523962] [c0000007b56b7e20] [c00000000000b3a4] system_call+0x5c/0x70 [ 1596.523966] Instruction dump: [ 1596.523971] 71290008 4182002c e9230000 71292000 41820030 4bf6d80d 60000000 38210070 [ 1596.523981] e8010010 7c0803a6 4e800020 60000000 <0fe00000> e9230000 71292000 4082ffd8 C -- You are receiving this mail because: You are watching the assignee of the bug.
