Re: Weird PUFFS reclaim activity on netbsd-6

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

Emmanuel Dreyfus <manu%netbsd.org@localhost> wrote:

> Of course it breaks badly since a/b is about to disapear. If I correctly
> understood the situation, I think we can call that a bug. I

Here is the PUFFS operation trace:

reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb99d760,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000019

0xbb99d760 should now be invalid


reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb99eae0,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb99eae0,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb99ebb0,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000022
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb99ebb0,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb9090e0,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000073
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb9091b0,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb9091b0,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000020
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb909280,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000020
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb909280,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb909350,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000019
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb909350,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000071
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_FSYNC, cookie: 0xbb99d4f0,
    aux: 0xbb91902c, auxlen: 148, pid: 0, lwpid: 9
    since previous call: 0.000020
reqid: 0, opclass 2 (FAF), optype: PUFFS_VN_RECLAIM, cookie: 0xbb99d4f0,
    aux: 0xbb91902c, auxlen: 44, pid: 0, lwpid: 9
    since previous call: 0.000020
reqid: 252064, opclass 2, optype: PUFFS_VN_INACTIVE, cookie: 0xbb99d690,
    aux: 0xbb91902c, auxlen: 44, pid: 9960, lwpid: 1
    since previous call: 0.000886
RV reqid: 252064, result: 0
reqid: 252065, opclass 2, optype: PUFFS_VN_LOOKUP, cookie: 0xbb99d760,
    aux: 0xbb91a02c, auxlen: 1192, pid: 9960, lwpid: 1
    puffs_cn: "insertion.c", len 11 op LOOKUP (flags 0xc054)
    since previous call: 0.000201

And here is an operation on 0xbb99d760, which is a reclaimed node


-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost