[Ocfs2-devel] kernel bug

[Changwei Ge]

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>>:
> 
>     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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=jmUQTkM6tW4X6p1r1wea1mkvvgrZyssoy-HVDaS0tNM&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=jmUQTkM6tW4X6p1r1wea1mkvvgrZyssoy-HVDaS0tNM&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=rzGu_KehSlpzZUJp2bOKUWzSjUVcgI-UOVMkaePGKSA&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=rzGu_KehSlpzZUJp2bOKUWzSjUVcgI-UOVMkaePGKSA&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>>>:
>     >
>     >     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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=zBGruJ6Tp1dnASUNNB2UnJ8teV-QBQe6nfDzlpXxZIA&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=zBGruJ6Tp1dnASUNNB2UnJ8teV-QBQe6nfDzlpXxZIA&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=zBGruJ6Tp1dnASUNNB2UnJ8teV-QBQe6nfDzlpXxZIA&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=qhw95Pko-BqAL2AXrJ7mqrE9hNsgJ6TPkRJcYn_28iQ&s=zBGruJ6Tp1dnASUNNB2UnJ8teV-QBQe6nfDzlpXxZIA&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>> ?
>      >      >
>      >      > Thanks for your help.
>      >      > Regards,
>      >      > Cédric
>      >
>      >
> 
>