[Ocfs2-devel] kernel bug

Changwei Ge ge.changwei at h3c.com
Thu Jan 11 18:16:46 PST 2018 

HiCédric,

Sorry I can't answer your question, but we are trying to.
Please be patient.

On 2018/1/11 19:52, BASSAGET Cédric wrote:
> Hi Changwei,
>
> short question : Will the stable release of kernel 4.15 fix this bug ?
> Regards
>
> 2018-01-11 8:06 GMT+01:00 Changwei Ge <ge.changwei at h3c.com <mailto:ge.changwei at h3c.com>>:
>
>     Hi Cédric,
>
>     On kernel mainline:)
>
>     On 2018/1/11 14:50, BASSAGET Cédric wrote:
>     > Hi Changwei.
>     > My question may be stupid, but... can you tell me where I can find the source of latest ocfs2 ?
>     > Every google search points to oracle website which refers to 1.6 versions....
>     >
>     > 2018-01-11 2:03 GMT+01:00 Changwei Ge <ge.changwei at h3c.com <mailto:ge.changwei at h3c.com><mailto:ge.changwei at h3c.com <mailto:ge.changwei at h3c.com>>>:
>     >
>     >     Hi Cédric,
>     >
>     >     These two patches are already picked by Andrew being merged into -mm tree for now.
>     >     So you can refer to below links for them:
>     >
>     >     https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-7Eakpm_mmots_broken-2Dout_ocfs2-2Dmake-2Dmetadata-2Destimation-2Daccurate-2Dand-2Dclear.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=7H5XI8dsIHCDXk9lVb-nBQvD0iy_f_2duQ49PGFfRGA&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-257Eakpm_mmots_broken-2Dout_ocfs2-2Dmake-2Dmetadata-2Destimation-2Daccurate-2Dand-2Dclear.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=J7k5Ag8AO8On-5gdpfhXnih3dH5IGRipEWKllhRP5eI&e=><https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-7Eakpm_mmots_broken-2Dout_ocfs2-2Dmake-2Dmetadata-2Destimation-2Daccurate-2Dand-2Dclear.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=7H5XI8dsIHCDXk9lVb-nBQvD0iy_f_2duQ49PGFfRGA&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-257Eakpm_mmots_broken-2Dout_ocfs2-2Dmake-2Dmetadata-2Destimation-2Daccurate-2Dand-2Dclear.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=J7k5Ag8AO8On-5gdpfhXnih3dH5IGRipEWKllhRP5eI&e=>>
>     >     https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-7Eakpm_mmots_broken-2Dout_ocfs2-2Dtry-2Dto-2Dreuse-2Dextent-2Dblock-2Din-2Ddealloc-2Dwithout-2Dmeta-5Falloc.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=XDr0YwGE4j3vh1bC7qfY3kUNPr2cxs9N8cUbyFes00o&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-257Eakpm_mmots_broken-2Dout_ocfs2-2Dtry-2Dto-2Dreuse-2Dextent-2Dblock-2Din-2Ddealloc-2Dwithout-2Dmeta-5Falloc.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=A8IW_rO4RggPlfIKG7nNN5LvQFP-z3TT0PUTAxmM-GY&e=><https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-7Eakpm_mmots_broken-2Dout_ocfs2-2Dtry-2Dto-2Dreuse-2Dextent-2Dblock-2Din-2Ddealloc-2Dwithout-2Dmeta-5Falloc.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=XDr0YwGE4j3vh1bC7qfY3kUNPr2cxs9N8cUbyFes00o&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__ozlabs.org_-257Eakpm_mmots_broken-2Dout_ocfs2-2Dtry-2Dto-2Dreuse-2Dextent-2Dblock-2Din-2Ddealloc-2Dwithout-2Dmeta-5Falloc.patch&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=A8IW_rO4RggPlfIKG7nNN5LvQFP-z3TT0PUTAxmM-GY&e=>>
>     >
>     >     Thanks,
>     >     Changwei
>     >
>     >     On 2018/1/10 22:34, BASSAGET Cédric wrote:
>     >     > Hi Changwei,
>     >     > Can you give me a ref or a link pointing to your patch ?
>     >     > Thanks
>     >     >
>     >      > 2018-01-10 12:57 GMT+01:00 Changwei Ge <ge.changwei at h3c.com <mailto:ge.changwei at h3c.com><mailto:ge.changwei at h3c.com <mailto:ge.changwei at h3c.com>> <mailto:ge.changwei at h3c.com <mailto:ge.changwei at h3c.com><mailto:ge.changwei at h3c.com <mailto:ge.changwei at h3c.com>>>>:
>     >     >
>     >     >     Hi BASSAGET,
>     >     >
>     >     >     We ocfs2 developers are solving a DIO crash issue which may share the same root cause with yours.
>     >     >
>     >     >     You can refer to my patch set of 2 and backport them into your kernel to see if the issue can be kicked away.
>     >     >
>     >     >        ocfs2: make metadata estimation accurate and clear
>     >     >        ocfs2: try to reuse extent block in dealloc without meta_alloc
>     >     >
>     >     >     On 2018/1/10 19:48, BASSAGET Cédric wrote:
>     >     >     > Hello
>     >     >     > Today I reported a bug related to ocfs2 1.8.on proxmox forum, maybe somebody here will be able to help me...
>     >      >      > The bog on proxmox forum : https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e=><https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e=>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e=><https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwIFAw&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=zLKfEc8ZLxWTDHb5-Hp55vQ4ukrtrF97ebOxW36d9YM&s=fLg8N_sGLNpfPq-AKzN3atEz84jIDwyNyHEPBN56vTc&e=>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=
>     <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=><https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=>>
>     >     <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=> <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=
>     <https://urldefense.proofpoint.com/v2/url?u=https-3A__forum.proxmox.com_threads_ocfs2-2Dkernel-2Dbug.39163_&d=DwMFaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=C7gAd4uDxlAvTdc0vmU6X8CMk6L2iDY8-HD0qT6Fo7Y&m=93_F2INiG6ig-q6s8P3sPY09iW1NMx6_H9zZx13OxhM&s=j8Ae2cUQUVQJOimaDZOI0C-HbAhHPvEV-l6BS23AaSw&e=>>>>
>     >     >      >
>     >     >      > to resume : kernel BUG at fs/ocfs2/suballoc.c:2017!
>     >     >      >
>     >     >      > is this related to proxmox kernel or ocfs2 ? or both ?
>     >      >      > does it have something to do with https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html <https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html><https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html <https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html>> <https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html <https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html><https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html <https://oss.oracle.com/pipermail/ocfs2-devel/2017-January/012701.html>>> ?
>     >      >      >
>     >      >      > Thanks for your help.
>     >      >      > Regards,
>     >      >      > Cédric
>     >      >
>     >      >
>     >
>     >
>
>

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