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. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
