From: "Steve Wise" <swise@opengridcomputing.com>
To: "'J. Bruce Fields'" <bfields@fieldses.org>,
"'Yan Burman'" <yanb@mellanox.com>
Cc: <linux-nfs@vger.kernel.org>, <linux-rdma@vger.kernel.org>,
"'Or Gerlitz'" <ogerlitz@mellanox.com>
Subject: RE: NFS over RDMA crashing
Date: Fri, 7 Mar 2014 10:59:18 -0600 [thread overview]
Message-ID: <003601cf3a26$94523ee0$bcf6bca0$@opengridcomputing.com> (raw)
In-Reply-To: <20130207164134.GK3222@fieldses.org>
Resurrecting an old issue :)
More inline below...
> -----Original Message-----
> From: linux-nfs-owner@vger.kernel.org [mailto:linux-nfs-
> owner@vger.kernel.org] On Behalf Of J. Bruce Fields
> Sent: Thursday, February 07, 2013 10:42 AM
> To: Yan Burman
> Cc: linux-nfs@vger.kernel.org; swise@opengridcomputing.com; linux-
> rdma@vger.kernel.org; Or Gerlitz
> Subject: Re: NFS over RDMA crashing
>
> On Wed, Feb 06, 2013 at 05:24:35PM -0500, J. Bruce Fields wrote:
> > On Wed, Feb 06, 2013 at 05:48:15PM +0200, Yan Burman wrote:
> > > When killing mount command that got stuck:
> > > -------------------------------------------
> > >
> > > BUG: unable to handle kernel paging request at ffff880324dc7ff8
> > > IP: [<ffffffffa05f3dfb>] rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > PGD 1a0c063 PUD 32f82e063 PMD 32f2fd063 PTE 8000000324dc7161
> > > Oops: 0003 [#1] PREEMPT SMP
> > > Modules linked in: md5 ib_ipoib xprtrdma svcrdma rdma_cm ib_cm
> iw_cm
> > > ib_addr nfsd exportfs netconsole ip6table_filter ip6_tables
> > > iptable_filter ip_tables ebtable_nat nfsv3 nfs_acl ebtables
x_tables
> > > nfsv4 auth_rpcgss nfs lockd autofs4 sunrpc target_core_iblock
> > > target_core_file target_core_pscsi target_core_mod configfs 8021q
> > > bridge stp llc ipv6 dm_mirror dm_region_hash dm_log vhost_net
> > > macvtap macvlan tun uinput iTCO_wdt iTCO_vendor_support kvm_intel
> > > kvm crc32c_intel microcode pcspkr joydev i2c_i801 lpc_ich mfd_core
> > > ehci_pci ehci_hcd sg ioatdma ixgbe mdio mlx4_ib ib_sa ib_mad
> ib_core
> > > mlx4_en mlx4_core igb hwmon dca ptp pps_core button dm_mod ext3
> jbd
> > > sd_mod ata_piix libata uhci_hcd megaraid_sas scsi_mod
> > > CPU 6
> > > Pid: 4744, comm: nfsd Not tainted 3.8.0-rc5+ #4 Supermicro
> > > X8DTH-i/6/iF/6F/X8DTH
> > > RIP: 0010:[<ffffffffa05f3dfb>] [<ffffffffa05f3dfb>]
> > > rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > RSP: 0018:ffff880324c3dbf8 EFLAGS: 00010297
> > > RAX: ffff880324dc8000 RBX: 0000000000000001 RCX:
> ffff880324dd8428
> > > RDX: ffff880324dc7ff8 RSI: ffff880324dd8428 RDI: ffffffff81149618
> > > RBP: ffff880324c3dd78 R08: 000060f9c0000860 R09:
> 0000000000000001
> > > R10: ffff880324dd8000 R11: 0000000000000001 R12: ffff8806299dcb10
> > > R13: 0000000000000003 R14: 0000000000000001 R15:
> 0000000000000010
> > > FS: 0000000000000000(0000) GS:ffff88063fc00000(0000)
> knlGS:0000000000000000
> > > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > > CR2: ffff880324dc7ff8 CR3: 0000000001a0b000 CR4:
> 00000000000007e0
> > > DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> > > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> > > Process nfsd (pid: 4744, threadinfo ffff880324c3c000, task
> ffff880330550000)
> > > Stack:
> > > ffff880324c3dc78 ffff880324c3dcd8 0000000000000282
> ffff880631cec000
> > > ffff880324dd8000 ffff88062ed33040 0000000124c3dc48
> ffff880324dd8000
> > > ffff88062ed33058 ffff880630ce2b90 ffff8806299e8000
> 0000000000000003
> > > Call Trace:
> > > [<ffffffffa05f466e>] svc_rdma_recvfrom+0x3ee/0xd80 [svcrdma]
> > > [<ffffffff81086540>] ? try_to_wake_up+0x2f0/0x2f0
> > > [<ffffffffa045963f>] svc_recv+0x3ef/0x4b0 [sunrpc]
> > > [<ffffffffa0571db0>] ? nfsd_svc+0x740/0x740 [nfsd]
> > > [<ffffffffa0571e5d>] nfsd+0xad/0x130 [nfsd]
> > > [<ffffffffa0571db0>] ? nfsd_svc+0x740/0x740 [nfsd]
> > > [<ffffffff81071df6>] kthread+0xd6/0xe0
> > > [<ffffffff81071d20>] ? __init_kthread_worker+0x70/0x70
> > > [<ffffffff814b462c>] ret_from_fork+0x7c/0xb0
> > > [<ffffffff81071d20>] ? __init_kthread_worker+0x70/0x70
> > > Code: 63 c2 49 8d 8c c2 18 02 00 00 48 39 ce 77 e1 49 8b 82 40 0a
00
> > > 00 48 39 c6 0f 84 92 f7 ff ff 90 48 8d 50 f8 49 89 92 40 0a 00 00
> > > <48> c7 40 f8 00 00 00 00 49 8b 82 40 0a 00 00 49 3b 82 30 0a 00
> > > RIP [<ffffffffa05f3dfb>] rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > RSP <ffff880324c3dbf8>
> > > CR2: ffff880324dc7ff8
> > > ---[ end trace 06d0384754e9609a ]---
> > >
> > >
> > > It seems that commit afc59400d6c65bad66d4ad0b2daf879cbff8e23e
> > > "nfsd4: cleanup: replace rq_resused count by rq_next_page pointer"
> > > is responsible for the crash (it seems to be crashing in
> > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c:527)
> > > It may be because I have CONFIG_DEBUG_SET_MODULE_RONX and
> > > CONFIG_DEBUG_RODATA enabled. I did not try to disable them yet.
> > >
> > > When I moved to commit
> 79f77bf9a4e3dd5ead006b8f17e7c4ff07d8374e I
> > > was no longer getting the server crashes,
> > > so the reset of my tests were done using that point (it is
somewhere
> > > in the middle of 3.7.0-rc2).
> >
> > OK, so this part's clearly my fault--I'll work on a patch, but the
> > rdma's use of the ->rq_pages array is pretty confusing.
>
> Does this help?
>
> They must have added this for some reason, but I'm not seeing how it
> could have ever done anything....
>
> --b.
>
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> index 0ce7552..e8f25ec 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> @@ -520,13 +520,6 @@ next_sge:
> for (ch_no = 0; &rqstp->rq_pages[ch_no] < rqstp->rq_respages;
> ch_no++)
> rqstp->rq_pages[ch_no] = NULL;
>
> - /*
> - * Detach res pages. If svc_release sees any it will attempt to
> - * put them.
> - */
> - while (rqstp->rq_next_page != rqstp->rq_respages)
> - *(--rqstp->rq_next_page) = NULL;
> -
> return err;
> }
>
I can reproduce this server crash readily on a recent net-next tree. I
added the above change, and see a different crash:
[ 192.764773] BUG: unable to handle kernel paging request at
0000100000000000
[ 192.765688] IP: [<ffffffff8113c159>] put_page+0x9/0x50
[ 192.765688] PGD 0
[ 192.765688] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 192.765688] Modules linked in: nfsd lockd nfs_acl exportfs
auth_rpcgss oid_registry svcrdma tg3 ip6table_filter ip6_tables
ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle iptable_filter
ip_tables bridge stp llc autofs4 sunrpc rdma_ucm rdma_cm iw_cm ib_ipoib
ib_cm ib_uverbs ib_umad iw_nes libcrc32c iw_cxgb4 iw_cxgb3 cxgb3 mdio
ib_qib dca mlx4_en ib_mthca vhost_net macvtap macvlan vhost tun
kvm_intel kvm uinput ipmi_si ipmi_msghandler iTCO_wdt
iTCO_vendor_support dcdbas sg microcode pcspkr mlx4_ib ib_sa serio_raw
ib_mad ib_core ib_addr ipv6 ptp pps_core lpc_ich mfd_core i5100_edac
edac_core mlx4_core cxgb4 ext4 jbd2 mbcache sd_mod crc_t10dif
crct10dif_common sr_mod cdrom pata_acpi ata_generic ata_piix radeon ttm
drm_kms_helper drm i2c_algo_bit
[ 192.765688] i2c_core dm_mirror dm_region_hash dm_log dm_mod [last
unloaded: tg3]
[ 192.765688] CPU: 1 PID: 6590 Comm: nfsd Not tainted
3.14.0-rc3-pending+ #5
[ 192.765688] Hardware name: Dell Inc. PowerEdge R300/0TY179, BIOS
1.3.0 08/15/2008
[ 192.765688] task: ffff8800b75c62c0 ti: ffff8801faa4a000 task.ti:
ffff8801faa4a000
[ 192.765688] RIP: 0010:[<ffffffff8113c159>] [<ffffffff8113c159>]
put_page+0x9/0x50
[ 192.765688] RSP: 0018:ffff8801faa4be28 EFLAGS: 00010206
[ 192.765688] RAX: ffff8801fa9542a8 RBX: ffff8801fa954000 RCX:
0000000000000001
[ 192.765688] RDX: ffff8801fa953e10 RSI: 0000000000000200 RDI:
0000100000000000
[ 192.765688] RBP: ffff8801faa4be28 R08: 000000009b8d39b9 R09:
0000000000000017
[ 192.765688] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8800cb2e7c00
[ 192.765688] R13: ffff8801fa954210 R14: 0000000000000000 R15:
0000000000000000
[ 192.765688] FS: 0000000000000000(0000) GS:ffff88022ec80000(0000)
knlGS:0000000000000000
[ 192.765688] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 192.765688] CR2: 0000100000000000 CR3: 00000000b9a5a000 CR4:
00000000000007e0
[ 192.765688] Stack:
[ 192.765688] ffff8801faa4be58 ffffffffa0881f4e ffff880204dd0e00
ffff8801fa954000
[ 192.765688] ffff880204dd0e00 ffff8800cb2e7c00 ffff8801faa4be88
ffffffffa08825f5
[ 192.765688] ffff8801fa954000 ffff8800b75c62c0 ffffffff81ae5ac0
ffffffffa08cf930
[ 192.765688] Call Trace:
[ 192.765688] [<ffffffffa0881f4e>] svc_xprt_release+0x6e/0xf0 [sunrpc]
[ 192.765688] [<ffffffffa08825f5>] svc_recv+0x165/0x190 [sunrpc]
[ 192.765688] [<ffffffffa08cf930>] ? nfsd_pool_stats_release+0x60/0x60
[nfsd]
[ 192.765688] [<ffffffffa08cf9e5>] nfsd+0xb5/0x160 [nfsd]
[ 192.765688] [<ffffffffa08cf930>] ? nfsd_pool_stats_release+0x60/0x60
[nfsd]
[ 192.765688] [<ffffffff8107471e>] kthread+0xce/0xf0
[ 192.765688] [<ffffffff81074650>] ?
kthread_freezable_should_stop+0x70/0x70
[ 192.765688] [<ffffffff81584e2c>] ret_from_fork+0x7c/0xb0
[ 192.765688] [<ffffffff81074650>] ?
kthread_freezable_should_stop+0x70/0x70
[ 192.765688] Code: 8d 7b 10 e8 ea fa ff ff 48 c7 03 00 00 00 00 48 83
c4 08 5b c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 66 66
66 90 <66> f7 07 00 c0 75 32 8b 47 1c 48 8d 57 1c 85 c0 74 1c f0 ff 0a
[ 192.765688] RIP [<ffffffff8113c159>] put_page+0x9/0x50
[ 192.765688] RSP <ffff8801faa4be28>
[ 192.765688] CR2: 0000100000000000
crash>
WARNING: multiple messages have this Message-ID (diff)
From: "Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: "'J. Bruce Fields'"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
'Yan Burman' <yanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
'Or Gerlitz' <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: RE: NFS over RDMA crashing
Date: Fri, 7 Mar 2014 10:59:18 -0600 [thread overview]
Message-ID: <003601cf3a26$94523ee0$bcf6bca0$@opengridcomputing.com> (raw)
In-Reply-To: <20130207164134.GK3222-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
Resurrecting an old issue :)
More inline below...
> -----Original Message-----
> From: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org [mailto:linux-nfs-
> owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org] On Behalf Of J. Bruce Fields
> Sent: Thursday, February 07, 2013 10:42 AM
> To: Yan Burman
> Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org; linux-
> rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Or Gerlitz
> Subject: Re: NFS over RDMA crashing
>
> On Wed, Feb 06, 2013 at 05:24:35PM -0500, J. Bruce Fields wrote:
> > On Wed, Feb 06, 2013 at 05:48:15PM +0200, Yan Burman wrote:
> > > When killing mount command that got stuck:
> > > -------------------------------------------
> > >
> > > BUG: unable to handle kernel paging request at ffff880324dc7ff8
> > > IP: [<ffffffffa05f3dfb>] rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > PGD 1a0c063 PUD 32f82e063 PMD 32f2fd063 PTE 8000000324dc7161
> > > Oops: 0003 [#1] PREEMPT SMP
> > > Modules linked in: md5 ib_ipoib xprtrdma svcrdma rdma_cm ib_cm
> iw_cm
> > > ib_addr nfsd exportfs netconsole ip6table_filter ip6_tables
> > > iptable_filter ip_tables ebtable_nat nfsv3 nfs_acl ebtables
x_tables
> > > nfsv4 auth_rpcgss nfs lockd autofs4 sunrpc target_core_iblock
> > > target_core_file target_core_pscsi target_core_mod configfs 8021q
> > > bridge stp llc ipv6 dm_mirror dm_region_hash dm_log vhost_net
> > > macvtap macvlan tun uinput iTCO_wdt iTCO_vendor_support kvm_intel
> > > kvm crc32c_intel microcode pcspkr joydev i2c_i801 lpc_ich mfd_core
> > > ehci_pci ehci_hcd sg ioatdma ixgbe mdio mlx4_ib ib_sa ib_mad
> ib_core
> > > mlx4_en mlx4_core igb hwmon dca ptp pps_core button dm_mod ext3
> jbd
> > > sd_mod ata_piix libata uhci_hcd megaraid_sas scsi_mod
> > > CPU 6
> > > Pid: 4744, comm: nfsd Not tainted 3.8.0-rc5+ #4 Supermicro
> > > X8DTH-i/6/iF/6F/X8DTH
> > > RIP: 0010:[<ffffffffa05f3dfb>] [<ffffffffa05f3dfb>]
> > > rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > RSP: 0018:ffff880324c3dbf8 EFLAGS: 00010297
> > > RAX: ffff880324dc8000 RBX: 0000000000000001 RCX:
> ffff880324dd8428
> > > RDX: ffff880324dc7ff8 RSI: ffff880324dd8428 RDI: ffffffff81149618
> > > RBP: ffff880324c3dd78 R08: 000060f9c0000860 R09:
> 0000000000000001
> > > R10: ffff880324dd8000 R11: 0000000000000001 R12: ffff8806299dcb10
> > > R13: 0000000000000003 R14: 0000000000000001 R15:
> 0000000000000010
> > > FS: 0000000000000000(0000) GS:ffff88063fc00000(0000)
> knlGS:0000000000000000
> > > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > > CR2: ffff880324dc7ff8 CR3: 0000000001a0b000 CR4:
> 00000000000007e0
> > > DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> > > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> > > Process nfsd (pid: 4744, threadinfo ffff880324c3c000, task
> ffff880330550000)
> > > Stack:
> > > ffff880324c3dc78 ffff880324c3dcd8 0000000000000282
> ffff880631cec000
> > > ffff880324dd8000 ffff88062ed33040 0000000124c3dc48
> ffff880324dd8000
> > > ffff88062ed33058 ffff880630ce2b90 ffff8806299e8000
> 0000000000000003
> > > Call Trace:
> > > [<ffffffffa05f466e>] svc_rdma_recvfrom+0x3ee/0xd80 [svcrdma]
> > > [<ffffffff81086540>] ? try_to_wake_up+0x2f0/0x2f0
> > > [<ffffffffa045963f>] svc_recv+0x3ef/0x4b0 [sunrpc]
> > > [<ffffffffa0571db0>] ? nfsd_svc+0x740/0x740 [nfsd]
> > > [<ffffffffa0571e5d>] nfsd+0xad/0x130 [nfsd]
> > > [<ffffffffa0571db0>] ? nfsd_svc+0x740/0x740 [nfsd]
> > > [<ffffffff81071df6>] kthread+0xd6/0xe0
> > > [<ffffffff81071d20>] ? __init_kthread_worker+0x70/0x70
> > > [<ffffffff814b462c>] ret_from_fork+0x7c/0xb0
> > > [<ffffffff81071d20>] ? __init_kthread_worker+0x70/0x70
> > > Code: 63 c2 49 8d 8c c2 18 02 00 00 48 39 ce 77 e1 49 8b 82 40 0a
00
> > > 00 48 39 c6 0f 84 92 f7 ff ff 90 48 8d 50 f8 49 89 92 40 0a 00 00
> > > <48> c7 40 f8 00 00 00 00 49 8b 82 40 0a 00 00 49 3b 82 30 0a 00
> > > RIP [<ffffffffa05f3dfb>] rdma_read_xdr+0x8bb/0xd40 [svcrdma]
> > > RSP <ffff880324c3dbf8>
> > > CR2: ffff880324dc7ff8
> > > ---[ end trace 06d0384754e9609a ]---
> > >
> > >
> > > It seems that commit afc59400d6c65bad66d4ad0b2daf879cbff8e23e
> > > "nfsd4: cleanup: replace rq_resused count by rq_next_page pointer"
> > > is responsible for the crash (it seems to be crashing in
> > > net/sunrpc/xprtrdma/svc_rdma_recvfrom.c:527)
> > > It may be because I have CONFIG_DEBUG_SET_MODULE_RONX and
> > > CONFIG_DEBUG_RODATA enabled. I did not try to disable them yet.
> > >
> > > When I moved to commit
> 79f77bf9a4e3dd5ead006b8f17e7c4ff07d8374e I
> > > was no longer getting the server crashes,
> > > so the reset of my tests were done using that point (it is
somewhere
> > > in the middle of 3.7.0-rc2).
> >
> > OK, so this part's clearly my fault--I'll work on a patch, but the
> > rdma's use of the ->rq_pages array is pretty confusing.
>
> Does this help?
>
> They must have added this for some reason, but I'm not seeing how it
> could have ever done anything....
>
> --b.
>
> diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> index 0ce7552..e8f25ec 100644
> --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
> @@ -520,13 +520,6 @@ next_sge:
> for (ch_no = 0; &rqstp->rq_pages[ch_no] < rqstp->rq_respages;
> ch_no++)
> rqstp->rq_pages[ch_no] = NULL;
>
> - /*
> - * Detach res pages. If svc_release sees any it will attempt to
> - * put them.
> - */
> - while (rqstp->rq_next_page != rqstp->rq_respages)
> - *(--rqstp->rq_next_page) = NULL;
> -
> return err;
> }
>
I can reproduce this server crash readily on a recent net-next tree. I
added the above change, and see a different crash:
[ 192.764773] BUG: unable to handle kernel paging request at
0000100000000000
[ 192.765688] IP: [<ffffffff8113c159>] put_page+0x9/0x50
[ 192.765688] PGD 0
[ 192.765688] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 192.765688] Modules linked in: nfsd lockd nfs_acl exportfs
auth_rpcgss oid_registry svcrdma tg3 ip6table_filter ip6_tables
ebtable_nat ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle iptable_filter
ip_tables bridge stp llc autofs4 sunrpc rdma_ucm rdma_cm iw_cm ib_ipoib
ib_cm ib_uverbs ib_umad iw_nes libcrc32c iw_cxgb4 iw_cxgb3 cxgb3 mdio
ib_qib dca mlx4_en ib_mthca vhost_net macvtap macvlan vhost tun
kvm_intel kvm uinput ipmi_si ipmi_msghandler iTCO_wdt
iTCO_vendor_support dcdbas sg microcode pcspkr mlx4_ib ib_sa serio_raw
ib_mad ib_core ib_addr ipv6 ptp pps_core lpc_ich mfd_core i5100_edac
edac_core mlx4_core cxgb4 ext4 jbd2 mbcache sd_mod crc_t10dif
crct10dif_common sr_mod cdrom pata_acpi ata_generic ata_piix radeon ttm
drm_kms_helper drm i2c_algo_bit
[ 192.765688] i2c_core dm_mirror dm_region_hash dm_log dm_mod [last
unloaded: tg3]
[ 192.765688] CPU: 1 PID: 6590 Comm: nfsd Not tainted
3.14.0-rc3-pending+ #5
[ 192.765688] Hardware name: Dell Inc. PowerEdge R300/0TY179, BIOS
1.3.0 08/15/2008
[ 192.765688] task: ffff8800b75c62c0 ti: ffff8801faa4a000 task.ti:
ffff8801faa4a000
[ 192.765688] RIP: 0010:[<ffffffff8113c159>] [<ffffffff8113c159>]
put_page+0x9/0x50
[ 192.765688] RSP: 0018:ffff8801faa4be28 EFLAGS: 00010206
[ 192.765688] RAX: ffff8801fa9542a8 RBX: ffff8801fa954000 RCX:
0000000000000001
[ 192.765688] RDX: ffff8801fa953e10 RSI: 0000000000000200 RDI:
0000100000000000
[ 192.765688] RBP: ffff8801faa4be28 R08: 000000009b8d39b9 R09:
0000000000000017
[ 192.765688] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8800cb2e7c00
[ 192.765688] R13: ffff8801fa954210 R14: 0000000000000000 R15:
0000000000000000
[ 192.765688] FS: 0000000000000000(0000) GS:ffff88022ec80000(0000)
knlGS:0000000000000000
[ 192.765688] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 192.765688] CR2: 0000100000000000 CR3: 00000000b9a5a000 CR4:
00000000000007e0
[ 192.765688] Stack:
[ 192.765688] ffff8801faa4be58 ffffffffa0881f4e ffff880204dd0e00
ffff8801fa954000
[ 192.765688] ffff880204dd0e00 ffff8800cb2e7c00 ffff8801faa4be88
ffffffffa08825f5
[ 192.765688] ffff8801fa954000 ffff8800b75c62c0 ffffffff81ae5ac0
ffffffffa08cf930
[ 192.765688] Call Trace:
[ 192.765688] [<ffffffffa0881f4e>] svc_xprt_release+0x6e/0xf0 [sunrpc]
[ 192.765688] [<ffffffffa08825f5>] svc_recv+0x165/0x190 [sunrpc]
[ 192.765688] [<ffffffffa08cf930>] ? nfsd_pool_stats_release+0x60/0x60
[nfsd]
[ 192.765688] [<ffffffffa08cf9e5>] nfsd+0xb5/0x160 [nfsd]
[ 192.765688] [<ffffffffa08cf930>] ? nfsd_pool_stats_release+0x60/0x60
[nfsd]
[ 192.765688] [<ffffffff8107471e>] kthread+0xce/0xf0
[ 192.765688] [<ffffffff81074650>] ?
kthread_freezable_should_stop+0x70/0x70
[ 192.765688] [<ffffffff81584e2c>] ret_from_fork+0x7c/0xb0
[ 192.765688] [<ffffffff81074650>] ?
kthread_freezable_should_stop+0x70/0x70
[ 192.765688] Code: 8d 7b 10 e8 ea fa ff ff 48 c7 03 00 00 00 00 48 83
c4 08 5b c9 c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 66 66
66 90 <66> f7 07 00 c0 75 32 8b 47 1c 48 8d 57 1c 85 c0 74 1c f0 ff 0a
[ 192.765688] RIP [<ffffffff8113c159>] put_page+0x9/0x50
[ 192.765688] RSP <ffff8801faa4be28>
[ 192.765688] CR2: 0000100000000000
crash>
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2014-03-07 17:05 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 15:48 NFS over RDMA crashing Yan Burman
2013-02-06 15:48 ` Yan Burman
2013-02-06 15:58 ` Steve Wise
2013-02-06 15:58 ` Steve Wise
2013-02-06 17:06 ` Jeff Becker
2013-02-06 17:06 ` Jeff Becker
2013-02-07 15:54 ` Yan Burman
2013-02-07 15:54 ` Yan Burman
2013-02-06 22:24 ` J. Bruce Fields
2013-02-06 22:24 ` J. Bruce Fields
2013-02-06 22:28 ` Steve Wise
2013-02-06 22:28 ` Steve Wise
2013-02-08 5:37 ` Tom Tucker
2013-02-08 5:37 ` Tom Tucker
2013-02-07 16:41 ` J. Bruce Fields
2013-02-07 16:41 ` J. Bruce Fields
2013-02-11 15:19 ` Yan Burman
2013-02-11 15:19 ` Yan Burman
2013-02-11 18:13 ` J. Bruce Fields
2013-02-11 18:13 ` J. Bruce Fields
2013-02-15 15:27 ` J. Bruce Fields
2013-02-15 15:27 ` J. Bruce Fields
2013-02-18 11:44 ` Yan Burman
2013-02-18 11:44 ` Yan Burman
2014-03-07 16:59 ` Steve Wise [this message]
2014-03-07 16:59 ` Steve Wise
2014-03-07 20:41 ` Steve Wise
2014-03-07 20:41 ` Steve Wise
2014-03-08 16:39 ` Steve Wise
2014-03-08 16:39 ` Steve Wise
2014-03-08 19:20 ` Steve Wise
2014-03-08 19:20 ` Steve Wise
2014-03-08 20:13 ` Steve Wise
2014-03-08 20:13 ` Steve Wise
2014-03-12 13:33 ` Jeff Layton
2014-03-12 13:33 ` Jeff Layton
2014-03-12 14:05 ` Trond Myklebust
2014-03-12 14:05 ` Trond Myklebust
2014-03-12 14:22 ` Tom Tucker
2014-03-12 14:22 ` Tom Tucker
2014-03-12 14:28 ` Jeffrey Layton
2014-03-12 14:28 ` Jeffrey Layton
2014-03-12 15:03 ` Trond Myklebust
2014-03-12 15:03 ` Trond Myklebust
2014-03-12 15:29 ` Jeffrey Layton
2014-03-12 15:29 ` Jeffrey Layton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='003601cf3a26$94523ee0$bcf6bca0$@opengridcomputing.com' \
--to=swise@opengridcomputing.com \
--cc=bfields@fieldses.org \
--cc=linux-nfs@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=ogerlitz@mellanox.com \
--cc=yanb@mellanox.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.