Commit f30cb757f680f965ba8a2e53cb3588052a01aeb5 introduced a
regression. When starting firefox the nfs client machine locks up.
Issue remains up to 4.13.2 and latest Linus git repo.
http://wiki.linux-nfs.org/wiki/index.php/Reporting_bugs says:
The command(s) you were trying to run: firefox
The exact error message(s) you saw, and/or symptoms encountered:
machine lockup - no error messages seen
Which kernel versions are you using on the client and server? server
is vanilla 4.10.8; client is at mentioned commit
Are you using any of the security options? Not as far as I know.
Results of `exportfs -v` on the server:
exportfs -v
/mnt/storage/music
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/pictures
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/home
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/backup
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/downloads
192.168.1.0/24(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/gentoo-x86
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/distfiles
192.168.1.0/29(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/mnt/storage/music
<world>(ro,wdelay,no_root_squash,no_subtree_check,sec=sys,ro,secure,no_root_squash,no_all_squash)
/mnt/storage/pictures
<world>(ro,wdelay,no_root_squash,no_subtree_check,sec=sys,ro,secure,no_root_squash,no_all_squash)
/mnt/storage/downloads
<world>(ro,wdelay,no_root_squash,no_subtree_check,sec=sys,ro,secure,no_root_squash,no_all_squash)
client:
echo acl libgssapi libevent librpcsecgss nfs-utils util-linux | xargs
-n1 eix '-I' --format '<installedversions:NAMEVERSION>'
No matches found
No matches found
dev-libs/libevent-2.1.8
No matches found
net-fs/nfs-utils-1.3.4-r1
sys-apps/util-linux-2.28.2
server:
echo acl libgssapi libevent librpcsecgss nfs-utils util-linux | xargs
-n1 eix '-I' --format '<installedversions:NAMEVERSION>'
No matches found
No matches found
dev-libs/libevent-2.1.8
No matches found
net-fs/nfs-utils-1.3.4-r1
sys-apps/util-linux-2.28.2
Here's my git bisect log:
git bisect log
git bisect start
# bad: [cb6621858813522e62fcba835541e4fcf57b3cb3] Linux 4.12.1
git bisect bad cb6621858813522e62fcba835541e4fcf57b3cb3
# good: [bd1a9eb6a755e1cb342725a11242251d2bfad567] Linux 4.11.12
git bisect good bd1a9eb6a755e1cb342725a11242251d2bfad567
# good: [a351e9b9fc24e982ec2f0e76379a49826036da12] Linux 4.11
git bisect good a351e9b9fc24e982ec2f0e76379a49826036da12
# good: [2bd80401743568ced7d303b008ae5298ce77e695] Merge tag
'gpio-v4.12-1' of
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
git bisect good 2bd80401743568ced7d303b008ae5298ce77e695
# good: [85d604902eb28eaea4f9e0f3a655ae986fa4bd2e] Merge tag
'armsoc-dt' of
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect good 85d604902eb28eaea4f9e0f3a655ae986fa4bd2e
# bad: [af5d28565f5822fb6a280d2de07315dad487f1f1] Merge tag
'hwmon-for-linus-v4.12-rc2' of
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
git bisect bad af5d28565f5822fb6a280d2de07315dad487f1f1
# bad: [c70422f760c120480fee4de6c38804c72aa26bc1] Merge tag
'nfsd-4.12' of git://linux-nfs.org/~bfields/linux
git bisect bad c70422f760c120480fee4de6c38804c72aa26bc1
# good: [4879b7ae05431ebcd228a4ff25a81120b3d85891] Merge tag
'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma
git bisect good 4879b7ae05431ebcd228a4ff25a81120b3d85891
# good: [dc9edaab90de9441cc28ac570b23b0d2bdba7879] Merge tag
'acpi-extra-4.12-rc1' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
git bisect good dc9edaab90de9441cc28ac570b23b0d2bdba7879
# good: [5ccd414080822d5257c3569f4aeca74f63f4a257] Merge tag
'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
git bisect good 5ccd414080822d5257c3569f4aeca74f63f4a257
# bad: [209aa2308365387bc03905b7b4bb36c52ea1e696] nfs/filelayout: fix
NULL pointer dereference in fl_pnfs_update_layout()
git bisect bad 209aa2308365387bc03905b7b4bb36c52ea1e696
# good: [1f84ccdf37d0db3a70714d02d51b0b6d45887fb8] NFS: Fix use after
free in write error path
git bisect good 1f84ccdf37d0db3a70714d02d51b0b6d45887fb8
# bad: [a6598813a4c5bad76322bee2323dc549e7d7180d] NFS: Don't write
back further requests if there is a pending write error
git bisect bad a6598813a4c5bad76322bee2323dc549e7d7180d
# good: [675e508f53e2cc0b1ab750a0ff2b477ccbab4cfb] pNFS: unexport
nfs4_pnfs_v3_ds_connect_unload
git bisect good 675e508f53e2cc0b1ab750a0ff2b477ccbab4cfb
# good: [7d6ddf88c4db372689c8aa65ea652d0514d66c06] NFS: Add an
iocounter wait function for async RPC tasks
git bisect good 7d6ddf88c4db372689c8aa65ea652d0514d66c06
# bad: [f30cb757f680f965ba8a2e53cb3588052a01aeb5] NFS: Always wait for
I/O completion before unlock
git bisect bad f30cb757f680f965ba8a2e53cb3588052a01aeb5
# good: [b1ece737f44f91dca8f4829cf0b442e752e406db] lockd: Introduce
nlmclnt_operations
git bisect good b1ece737f44f91dca8f4829cf0b442e752e406db
# first bad commit: [f30cb757f680f965ba8a2e53cb3588052a01aeb5] NFS:
Always wait for I/O completion before unlock
Happy to supply any additional information as needed.
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