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| Started by | Shawn Starr <shawn.starr@rogers.com> |
|---|---|
| First post | 2016-06-16 08:40 +0200 |
| Last post | 2016-06-22 02:10 +0200 |
| Articles | 3 — 3 participants |
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[4.7-rc3 June 16th code][EXT4] Rename file corruption? Shawn Starr <shawn.starr@rogers.com> - 2016-06-16 08:40 +0200
Re: [4.7-rc3 June 16th code][EXT4] Rename file corruption? Christoph Hellwig <hch@infradead.org> - 2016-06-16 10:50 +0200
Re: [4.7-rc3 June 16th code][EXT4] Rename file corruption? Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-22 02:10 +0200
| From | Shawn Starr <shawn.starr@rogers.com> |
|---|---|
| Date | 2016-06-16 08:40 +0200 |
| Subject | [4.7-rc3 June 16th code][EXT4] Rename file corruption? |
| Message-ID | <rKz86-4OM-23@gated-at.bofh.it> |
Hello Kernel devs, I built a snapshot of Linus's kernel (master) Triggered fault in EXT4 compiling LLVM/clang/Mesa: Jun 15 12:36:41 segfault kernel: [34407.966896] Modules linked in: bnep bluetooth cpufreq_stats ebtable_filter ebtables ip6table_filter ip6_tables bridge amdkfd amd_iommu_v2 amdgpu intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel arc4 iwlmvm kvm coretemp snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mac80211 uvcvideo snd_hda_intel snd_hda_codec videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 vfat snd_usb_audio irqbypass crct10dif_pclmul videobuf2_core snd_soc_rt5640 snd_soc_rl6231 i2c_algo_bit snd_soc_core snd_usbmidi_lib snd_compress crc32_pclmul videodev ghash_clmulni_intel fat ttm snd_hda_core snd_pcm_dmaengine ac97_bus snd_rawmidi snd_hwdep snd_seq intel_cstate drm_kms_helper intel_uncore drm dell_wmi mei_wdt sparse_keymap iwlwifi snd_seq_device media snd_pcm iTCO_wdt dell_laptop dell_smbios iTCO_vendor_support snd_timer dcdbas ppdev dell_smm_hwmon cfg80211 snd pcspkr joydev elan_i2c ie31200_edac wmi i2c_designware_platform edac_core mei_me shpchp dw_dmac parport_pc parport mei i2c_designware_core lpc_ich video snd_soc_sst_acpi snd_soc_sst_match soundcore dw_dmac_core i2c_i801 tpm_tis spi_pxa2xx_platform tpm dell_rbtn rfkill dell_smo8800 nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc 8021q garp stp llc netconsole mrp sdhci_pci crc32c_intel sdhci_acpi sdhci serio_raw mmc_core fjes i2c_hid e1000e ptp pps_core Jun 15 12:36:41 segfault kernel: [34407.973782] CPU: 3 PID: 12388 Comm: gcc Not tainted 4.7.0-rc3+ #1 Jun 15 12:36:41 segfault kernel: [34407.974026] Hardware name: Dell Inc. Precision M6800/05NG6V, BIOS A16 12/01/2015 Jun 15 12:36:41 segfault kernel: [34407.974289] 0000000000000286 0000000040a52c61 ffff88073fe9bc90 ffffffff813d07af Jun 15 12:36:41 segfault kernel: [34407.974576] 0000000000000000 0000000000000000 ffff88073fe9bcd0 ffffffff8109f53b Jun 15 12:36:41 segfault kernel: [34407.974864] 000001183fe9bcf8 ffff880487740928 ffff880487740928 0000000000000000 Jun 15 12:36:41 segfault kernel: [34407.975150] Call Trace: Jun 15 12:36:41 segfault kernel: [34407.975246] [<ffffffff813d07af>] dump_stack+0x63/0x84 Jun 15 12:36:41 segfault kernel: [34407.975432] [<ffffffff8109f53b>] __warn+0xcb/0xf0 Jun 15 12:36:41 segfault kernel: [34407.975605] [<ffffffff8109f66d>] warn_slowpath_null+0x1d/0x20 Jun 15 12:36:41 segfault kernel: [34407.975817] [<ffffffff8125b76e>] drop_nlink+0x3e/0x50 Jun 15 12:36:41 segfault kernel: [34407.976068] [<ffffffff812e2080>] ext4_rename+0x530/0x910 Jun 15 12:36:41 segfault kernel: [34407.976332] [<ffffffff81249a7e>] ? terminate_walk+0x8e/0xf0 Jun 15 12:36:41 segfault kernel: [34407.976607] [<ffffffff812e247d>] ext4_rename2+0x1d/0x30 Jun 15 12:36:41 segfault kernel: [34407.976866] [<ffffffff8124dcd3>] vfs_rename+0x5a3/0x900 Jun 15 12:36:41 segfault kernel: [34407.977125] [<ffffffff8124ad01>] ? trailing_symlink+0x181/0x220 Jun 15 12:36:41 segfault kernel: [34407.977416] [<ffffffff81252337>] SyS_rename+0x3a7/0x3d0 Jun 15 12:36:41 segfault kernel: [34407.977679] [<ffffffff817d88b2>] entry_SYSCALL_64_fastpath+0x1a/0xa4 Jun 15 12:36:41 segfault kernel: [34407.978014] ---[ end trace 812bc2d188b90844 ]--- Jun 15 12:36:45 segfault kernel: [34412.076658] ------------[ cut here ]------------ Jun 15 12:36:45 segfault kernel: [34412.076897] WARNING: CPU: 2 PID: 13368 at fs/inode.c:280 drop_nlink+0x3e/0x50 On shutdown, had inode corruption, rebooted had to fsck to repair. Thanks, Shawn
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| From | Christoph Hellwig <hch@infradead.org> |
|---|---|
| Date | 2016-06-16 10:50 +0200 |
| Message-ID | <rKB9U-62Y-13@gated-at.bofh.it> |
| In reply to | #1423715 |
We see somewhat similar rename corruption on XFS, also under heavy compile workloads. The reporters have already ruled out the XFS changes from the 4.7 merge window, so this looks a lot like the VFS changes that went into this merge window.
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| From | Al Viro <viro@ZenIV.linux.org.uk> |
|---|---|
| Date | 2016-06-22 02:10 +0200 |
| Message-ID | <rMDTX-4qu-15@gated-at.bofh.it> |
| In reply to | #1423810 |
On Thu, Jun 16, 2016 at 01:47:57AM -0700, Christoph Hellwig wrote: > We see somewhat similar rename corruption on XFS, also under heavy > compile workloads. The reporters have already ruled out the XFS changes > from the 4.7 merge window, so this looks a lot like the VFS changes > that went into this merge window. Can that be triggered on 4e82901 + cherry-pick of e7d6ef979? Same for 9f541801 + e7d6ef979?
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