Arthur Marsh wrote on 16/09/14 03:17:
Arthur Marsh wrote, on 14/09/14 21:15:
On 3.16.0 kernels, whether compiled by myself or the stock Debian
kernel, if I have program accessing a file on a CIFS-mounted file system
(specifically playing an audio file), and restart the samba server on
the remote machine, I might get a brief pause, but no major problems.
On 3.17.0-rc1 and later I get a complete machine lock-up.
Illustration:
https://pbs.twimg.com/media/BxfPkdgCcAAlpUo.jpg:large
Has anyone else experienced similar?
I'm happy to supply any further details and try test fixes.
Arthur.
I'm still getting the problem with kernel 3.17.0-rc5
Has anyone been able to reproduce the problem?
Arthur.
I was off sick this past week but completed the bisect:
git bisect good
66386c08be5d1a2eefc1f7ab8c008561b6c811e5 is the first bad commit
commit 66386c08be5d1a2eefc1f7ab8c008561b6c811e5
Author: Pavel Shilovsky <pshilov...@samba.org>
Date: Fri Jun 20 15:48:40 2014 +0400
CIFS: Separate filling pages from iovec write
Reviewed-by: Shirish Pargaonkar <spargaon...@suse.com>
Signed-off-by: Pavel Shilovsky <pshilov...@samba.org>
Signed-off-by: Steve French <smfre...@gmail.com>
:040000 040000 1be960992f3d75b4998082fda3f3c2fca213b9e5
318c46c63c983fe898480e1b88e97b818af1e502 M fs
git bisect log:
git bisect start
# good: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16
git bisect good 19583ca584d6f574384e17fe7613dfaeadcdc4a6
# bad: [7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9] Linux 3.17-rc1
git bisect bad 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9
# good: [ae045e2455429c418a418a3376301a9e5753a0a8] Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
git bisect good ae045e2455429c418a418a3376301a9e5753a0a8
# good: [44c916d58b9ef1f2c4aec2def57fa8289c716a60] Merge tag
'cleanup-for-3.17' of
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect good 44c916d58b9ef1f2c4aec2def57fa8289c716a60
# skip: [023f78b02c729070116fa3a7ebd4107a032d3f5c] Merge branch
'for-next' of git://git.samba.org/sfrench/cifs-2.6
git bisect skip 023f78b02c729070116fa3a7ebd4107a032d3f5c
# skip: [908790fa3b779d37365e6b28e3aa0f6e833020c3] dcache:
d_splice_alias mustn't create directory aliases
git bisect skip 908790fa3b779d37365e6b28e3aa0f6e833020c3
# bad: [58d08e3b2c2033354b91467da33deffa06360c28] Merge tag 'for-linus'
of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform
git bisect bad 58d08e3b2c2033354b91467da33deffa06360c28
# good: [27d438c56009e5ae632de36fe70985d1aab5e344] Revert "drm/i915:
Enable PSR by default."
git bisect good 27d438c56009e5ae632de36fe70985d1aab5e344
# good: [ee34fb97a96ceac3334705ebab8b541ca291699f] ARM: dts: exynos5420:
remove disp_pd
git bisect good ee34fb97a96ceac3334705ebab8b541ca291699f
# good: [d1e458fe671baf1e60afafc88bda090202a412f1] svcrdma: remove
rdma_create_qp() failure recovery logic
git bisect good d1e458fe671baf1e60afafc88bda090202a412f1
# good: [95484b57265caa671a57efed06e322d56461774b] drm/nouveau/ltc:
s/ltcg/ltc/ + cleanup
git bisect good 95484b57265caa671a57efed06e322d56461774b
# good: [63b12bdb0d21aca527996fb2c547387bfd3e14b8] Merge branch
'signal-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc
git bisect good 63b12bdb0d21aca527996fb2c547387bfd3e14b8
# bad: [96784de59fb35077c2bb33c39328992b836d87d3] Merge branch
'stable-3.17' of git://git.infradead.org/users/pcmoore/selinux
git bisect bad 96784de59fb35077c2bb33c39328992b836d87d3
# bad: [25f402598d2c8f0808d93715ad33e43b265c1604] CIFS: Fix rsize usage
in user read
git bisect bad 25f402598d2c8f0808d93715ad33e43b265c1604
# good: [90ac1387c2dfcd9b4bd302fce03b9ddff73d0093] CIFS: Separate pages
initialization from writepages
git bisect good 90ac1387c2dfcd9b4bd302fce03b9ddff73d0093
# skip: [6ec0b01b2691d1465bb7219e031e8bf38ccd9397] CIFS: Fix wsize usage
in iovec write
git bisect skip 6ec0b01b2691d1465bb7219e031e8bf38ccd9397
# bad: [66386c08be5d1a2eefc1f7ab8c008561b6c811e5] CIFS: Separate filling
pages from iovec write
git bisect bad 66386c08be5d1a2eefc1f7ab8c008561b6c811e5
# good: [66231a47965c551d3056d5104f8b06688065748c] CIFS: Fix wsize usage
in writepages
git bisect good 66231a47965c551d3056d5104f8b06688065748c
# good: [7f6c50086a6f5bc0fee46548afc836070a439313] CIFS: Fix
cifs_writev_requeue when wsize changes
git bisect good 7f6c50086a6f5bc0fee46548afc836070a439313
# first bad commit: [66386c08be5d1a2eefc1f7ab8c008561b6c811e5] CIFS:
Separate filling pages from iovec write
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