* kernel oops in rdma in 5.7-rc5
@ 2020-05-20 15:19 Olga Kornievskaia
2020-05-20 15:27 ` Chuck Lever
0 siblings, 1 reply; 4+ messages in thread
From: Olga Kornievskaia @ 2020-05-20 15:19 UTC (permalink / raw)
To: Chuck Lever; +Cc: linux-nfs
Hi Chuck,
I was running some tests on latest in Trond's origin/testing and got
the following oops. Is this known?
[ 2116.066790] CPU: 1 PID: 429 Comm: kworker/u256:3 Not tainted 5.7.0-rc5 #16
[ 2116.070852] Hardware name: VMware, Inc. VMware Virtual
Platform/440BX Desktop Reference Platform, BIOS 6.00 04/13/2018
[ 2116.077145] Workqueue: rpciod rpc_async_schedule [sunrpc]
[ 2116.080990] RIP: 0010:ib_drain_rq+0x7/0x80 [ib_core]
[ 2116.084088] Code: c6 48 c7 c7 c8 b1 cf c0 31 c0 c6 05 57 85 04 00
01 e8 0d c9 3c e4 0f 0b e9 00 ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00
00 55 53 <48> 8b 07 48 89 fb 48 8b 40 30 48 85 c0 74 53 e8 85 34 f3 e4
48 8b
[ 2116.094874] RSP: 0018:ffffae1bc07e7d80 EFLAGS: 00010292
[ 2116.098270] RAX: ffff99006ffdb800 RBX: ffff99006fff2c00 RCX: 0000000000000000
[ 2116.102803] RDX: 0000000000000000 RSI: 0000000000000207 RDI: 0000000000000000
[ 2116.107521] RBP: ffff990071110800 R08: 0000000000000000 R09: ffff990031b10000
[ 2116.111567] R10: 0000000000000000 R11: 000000000000477d R12: ffff99006ffdb800
[ 2116.115771] R13: ffff99006fff2c00 R14: ffff990071110e40 R15: 0000000000000001
[ 2116.119860] FS: 0000000000000000(0000) GS:ffff99007be40000(0000)
knlGS:0000000000000000
[ 2116.124401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2116.127864] CR2: 0000000000000000 CR3: 00000000788a2003 CR4: 00000000001606e0
[ 2116.131983] Call Trace:
[ 2116.136671] rpcrdma_xprt_disconnect+0x52/0x2b0 [rpcrdma]
[ 2116.140171] ? call_transmit+0xa0/0xa0 [sunrpc]
[ 2116.142819] xprt_rdma_close+0x17/0x80 [rpcrdma]
[ 2116.145496] xprt_connect+0x17b/0x1e0 [sunrpc]
[ 2116.148116] ? call_transmit+0xa0/0xa0 [sunrpc]
[ 2116.150834] __rpc_execute+0x80/0x430 [sunrpc]
[ 2116.153994] ? try_to_wake_up+0x62/0x5e0
[ 2116.156374] rpc_async_schedule+0x29/0x40 [sunrpc]
[ 2116.159099] process_one_work+0x172/0x380
[ 2116.161591] worker_thread+0x49/0x3f0
[ 2116.163707] kthread+0xf8/0x130
[ 2116.165512] ? max_active_store+0x80/0x80
[ 2116.167892] ? kthread_bind+0x10/0x10
[ 2116.170231] ret_from_fork+0x35/0x40
[ 2116.172468] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4
dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt
target_core_mod rpcrdma ib_srp ib_iser scsi_transport_srp libiscsi
ib_ipoib scsi_transport_iscsi rdma_rxe ib_umad ip6_udp_tunnel
udp_tunnel rdma_ucm rdma_cm iw_cm ib_cm ib_uverbs ib_core tcp_lp
nls_utf8 isofs rfcomm fuse xt_CHECKSUM xt_MASQUERADE tun bridge stp
llc ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6
xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat
ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle
iptable_security iptable_raw ebtable_filter ebtables ip6table_filter
ip6_tables iptable_filter vsock_loopback
vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock bnep
sunrpc snd_seq_midi snd_seq_midi_event intel_rapl_msr
intel_rapl_common crc32_pclmul snd_ens1371 snd_ac97_codec
ghash_clmulni_intel ac97_bus snd_rawmidi snd_seq
[ 2116.172559] btusb btrtl btbcm btintel bluetooth snd_seq_device
uvcvideo snd_pcm videobuf2_vmalloc videobuf2_memops aesni_intel
videobuf2_v4l2 vmw_balloon videobuf2_common videodev crypto_simd
cryptd glue_helper snd_timer snd vmw_vmci mc joydev pcspkr
ecdh_generic ecc rfkill sg soundcore i2c_piix4 ip_tables xfs libcrc32c
sd_mod t10_pi sr_mod crc_t10dif cdrom crct10dif_generic ata_generic
pata_acpi crct10dif_pclmul crct10dif_common vmwgfx crc32c_intel
drm_kms_helper serio_raw syscopyarea sysfillrect sysimgblt fb_sys_fops
ttm e1000 ata_piix drm libata mptspi scsi_transport_spi mptscsih
mptbase dm_mirror dm_region_hash dm_log dm_mod
[ 2116.259736] CR2: 0000000000000000
[ 2116.266264] ---[ end trace f10e2bf40bcc51ad ]---
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel oops in rdma in 5.7-rc5
2020-05-20 15:19 kernel oops in rdma in 5.7-rc5 Olga Kornievskaia
@ 2020-05-20 15:27 ` Chuck Lever
2020-05-20 17:33 ` Olga Kornievskaia
0 siblings, 1 reply; 4+ messages in thread
From: Chuck Lever @ 2020-05-20 15:27 UTC (permalink / raw)
To: Olga Kornievskaia; +Cc: Linux NFS Mailing List
> On May 20, 2020, at 11:19 AM, Olga Kornievskaia <aglo@umich.edu> wrote:
>
> Hi Chuck,
>
> I was running some tests on latest in Trond's origin/testing and got
> the following oops. Is this known?
It is a known issue, but it's been difficult to reproduce. I think it
can happen when the server disconnects unexpectedly. I have some rather
fresh patches that might prevent this crash. But because it's so
intermittent it's not yet clear they are 100% effective. Thus I'd like
to let them marinate for a while longer.
Do you encounter this crash frequently? If it's a true and royal pain
I can push what I have to a topic branch on linux-git.
> [ 2116.066790] CPU: 1 PID: 429 Comm: kworker/u256:3 Not tainted 5.7.0-rc5 #16
> [ 2116.070852] Hardware name: VMware, Inc. VMware Virtual
> Platform/440BX Desktop Reference Platform, BIOS 6.00 04/13/2018
> [ 2116.077145] Workqueue: rpciod rpc_async_schedule [sunrpc]
> [ 2116.080990] RIP: 0010:ib_drain_rq+0x7/0x80 [ib_core]
> [ 2116.084088] Code: c6 48 c7 c7 c8 b1 cf c0 31 c0 c6 05 57 85 04 00
> 01 e8 0d c9 3c e4 0f 0b e9 00 ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00
> 00 55 53 <48> 8b 07 48 89 fb 48 8b 40 30 48 85 c0 74 53 e8 85 34 f3 e4
> 48 8b
> [ 2116.094874] RSP: 0018:ffffae1bc07e7d80 EFLAGS: 00010292
> [ 2116.098270] RAX: ffff99006ffdb800 RBX: ffff99006fff2c00 RCX: 0000000000000000
> [ 2116.102803] RDX: 0000000000000000 RSI: 0000000000000207 RDI: 0000000000000000
> [ 2116.107521] RBP: ffff990071110800 R08: 0000000000000000 R09: ffff990031b10000
> [ 2116.111567] R10: 0000000000000000 R11: 000000000000477d R12: ffff99006ffdb800
> [ 2116.115771] R13: ffff99006fff2c00 R14: ffff990071110e40 R15: 0000000000000001
> [ 2116.119860] FS: 0000000000000000(0000) GS:ffff99007be40000(0000)
> knlGS:0000000000000000
> [ 2116.124401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 2116.127864] CR2: 0000000000000000 CR3: 00000000788a2003 CR4: 00000000001606e0
> [ 2116.131983] Call Trace:
> [ 2116.136671] rpcrdma_xprt_disconnect+0x52/0x2b0 [rpcrdma]
> [ 2116.140171] ? call_transmit+0xa0/0xa0 [sunrpc]
> [ 2116.142819] xprt_rdma_close+0x17/0x80 [rpcrdma]
> [ 2116.145496] xprt_connect+0x17b/0x1e0 [sunrpc]
> [ 2116.148116] ? call_transmit+0xa0/0xa0 [sunrpc]
> [ 2116.150834] __rpc_execute+0x80/0x430 [sunrpc]
> [ 2116.153994] ? try_to_wake_up+0x62/0x5e0
> [ 2116.156374] rpc_async_schedule+0x29/0x40 [sunrpc]
> [ 2116.159099] process_one_work+0x172/0x380
> [ 2116.161591] worker_thread+0x49/0x3f0
> [ 2116.163707] kthread+0xf8/0x130
> [ 2116.165512] ? max_active_store+0x80/0x80
> [ 2116.167892] ? kthread_bind+0x10/0x10
> [ 2116.170231] ret_from_fork+0x35/0x40
> [ 2116.172468] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4
> dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt
> target_core_mod rpcrdma ib_srp ib_iser scsi_transport_srp libiscsi
> ib_ipoib scsi_transport_iscsi rdma_rxe ib_umad ip6_udp_tunnel
> udp_tunnel rdma_ucm rdma_cm iw_cm ib_cm ib_uverbs ib_core tcp_lp
> nls_utf8 isofs rfcomm fuse xt_CHECKSUM xt_MASQUERADE tun bridge stp
> llc ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6
> xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat
> ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_nat
> nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle
> iptable_security iptable_raw ebtable_filter ebtables ip6table_filter
> ip6_tables iptable_filter vsock_loopback
> vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock bnep
> sunrpc snd_seq_midi snd_seq_midi_event intel_rapl_msr
> intel_rapl_common crc32_pclmul snd_ens1371 snd_ac97_codec
> ghash_clmulni_intel ac97_bus snd_rawmidi snd_seq
> [ 2116.172559] btusb btrtl btbcm btintel bluetooth snd_seq_device
> uvcvideo snd_pcm videobuf2_vmalloc videobuf2_memops aesni_intel
> videobuf2_v4l2 vmw_balloon videobuf2_common videodev crypto_simd
> cryptd glue_helper snd_timer snd vmw_vmci mc joydev pcspkr
> ecdh_generic ecc rfkill sg soundcore i2c_piix4 ip_tables xfs libcrc32c
> sd_mod t10_pi sr_mod crc_t10dif cdrom crct10dif_generic ata_generic
> pata_acpi crct10dif_pclmul crct10dif_common vmwgfx crc32c_intel
> drm_kms_helper serio_raw syscopyarea sysfillrect sysimgblt fb_sys_fops
> ttm e1000 ata_piix drm libata mptspi scsi_transport_spi mptscsih
> mptbase dm_mirror dm_region_hash dm_log dm_mod
> [ 2116.259736] CR2: 0000000000000000
> [ 2116.266264] ---[ end trace f10e2bf40bcc51ad ]---
--
Chuck Lever
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel oops in rdma in 5.7-rc5
2020-05-20 15:27 ` Chuck Lever
@ 2020-05-20 17:33 ` Olga Kornievskaia
2020-05-20 21:54 ` Chuck Lever
0 siblings, 1 reply; 4+ messages in thread
From: Olga Kornievskaia @ 2020-05-20 17:33 UTC (permalink / raw)
To: Chuck Lever; +Cc: Linux NFS Mailing List
On Wed, May 20, 2020 at 11:29 AM Chuck Lever <chuck.lever@oracle.com> wrote:
>
>
>
> > On May 20, 2020, at 11:19 AM, Olga Kornievskaia <aglo@umich.edu> wrote:
> >
> > Hi Chuck,
> >
> > I was running some tests on latest in Trond's origin/testing and got
> > the following oops. Is this known?
>
> It is a known issue, but it's been difficult to reproduce. I think it
> can happen when the server disconnects unexpectedly. I have some rather
> fresh patches that might prevent this crash. But because it's so
> intermittent it's not yet clear they are 100% effective. Thus I'd like
> to let them marinate for a while longer.
>
> Do you encounter this crash frequently? If it's a true and royal pain
> I can push what I have to a topic branch on linux-git.
Disclaimer I haven't tested rdma on softroce (or hardware for that
matter) in a long time so I'm not sure if it's a recent problem.
If you are not ready to push out the patches, can I get a tar from you
(again not sure I really need it)?
I'm not sure how easily it's reproduced. My first oops was when
running "nfstest_io", ever since I couldn't even mount and the client
oops-ed every time until I rebooted the server.
The set up is linux-to-linux (soft roce) running: ./nfstest_io -d
/mnt/data -v all -s 1583972683450 -n 10 -r 3600 -e --createlog
--logdir /home/aglo/logs/lock-eagain
After rebooting the system, i can mount, start another nfstest_io run
and it's been running ok for 40mins now (before I hit it in less than
30mins).
My server is currently somewhat dated 5.5-rc5.
>
>
> > [ 2116.066790] CPU: 1 PID: 429 Comm: kworker/u256:3 Not tainted 5.7.0-rc5 #16
> > [ 2116.070852] Hardware name: VMware, Inc. VMware Virtual
> > Platform/440BX Desktop Reference Platform, BIOS 6.00 04/13/2018
> > [ 2116.077145] Workqueue: rpciod rpc_async_schedule [sunrpc]
> > [ 2116.080990] RIP: 0010:ib_drain_rq+0x7/0x80 [ib_core]
> > [ 2116.084088] Code: c6 48 c7 c7 c8 b1 cf c0 31 c0 c6 05 57 85 04 00
> > 01 e8 0d c9 3c e4 0f 0b e9 00 ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00
> > 00 55 53 <48> 8b 07 48 89 fb 48 8b 40 30 48 85 c0 74 53 e8 85 34 f3 e4
> > 48 8b
> > [ 2116.094874] RSP: 0018:ffffae1bc07e7d80 EFLAGS: 00010292
> > [ 2116.098270] RAX: ffff99006ffdb800 RBX: ffff99006fff2c00 RCX: 0000000000000000
> > [ 2116.102803] RDX: 0000000000000000 RSI: 0000000000000207 RDI: 0000000000000000
> > [ 2116.107521] RBP: ffff990071110800 R08: 0000000000000000 R09: ffff990031b10000
> > [ 2116.111567] R10: 0000000000000000 R11: 000000000000477d R12: ffff99006ffdb800
> > [ 2116.115771] R13: ffff99006fff2c00 R14: ffff990071110e40 R15: 0000000000000001
> > [ 2116.119860] FS: 0000000000000000(0000) GS:ffff99007be40000(0000)
> > knlGS:0000000000000000
> > [ 2116.124401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 2116.127864] CR2: 0000000000000000 CR3: 00000000788a2003 CR4: 00000000001606e0
> > [ 2116.131983] Call Trace:
> > [ 2116.136671] rpcrdma_xprt_disconnect+0x52/0x2b0 [rpcrdma]
> > [ 2116.140171] ? call_transmit+0xa0/0xa0 [sunrpc]
> > [ 2116.142819] xprt_rdma_close+0x17/0x80 [rpcrdma]
> > [ 2116.145496] xprt_connect+0x17b/0x1e0 [sunrpc]
> > [ 2116.148116] ? call_transmit+0xa0/0xa0 [sunrpc]
> > [ 2116.150834] __rpc_execute+0x80/0x430 [sunrpc]
> > [ 2116.153994] ? try_to_wake_up+0x62/0x5e0
> > [ 2116.156374] rpc_async_schedule+0x29/0x40 [sunrpc]
> > [ 2116.159099] process_one_work+0x172/0x380
> > [ 2116.161591] worker_thread+0x49/0x3f0
> > [ 2116.163707] kthread+0xf8/0x130
> > [ 2116.165512] ? max_active_store+0x80/0x80
> > [ 2116.167892] ? kthread_bind+0x10/0x10
> > [ 2116.170231] ret_from_fork+0x35/0x40
> > [ 2116.172468] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4
> > dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt
> > target_core_mod rpcrdma ib_srp ib_iser scsi_transport_srp libiscsi
> > ib_ipoib scsi_transport_iscsi rdma_rxe ib_umad ip6_udp_tunnel
> > udp_tunnel rdma_ucm rdma_cm iw_cm ib_cm ib_uverbs ib_core tcp_lp
> > nls_utf8 isofs rfcomm fuse xt_CHECKSUM xt_MASQUERADE tun bridge stp
> > llc ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6
> > xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat
> > ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_nat
> > nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle
> > iptable_security iptable_raw ebtable_filter ebtables ip6table_filter
> > ip6_tables iptable_filter vsock_loopback
> > vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock bnep
> > sunrpc snd_seq_midi snd_seq_midi_event intel_rapl_msr
> > intel_rapl_common crc32_pclmul snd_ens1371 snd_ac97_codec
> > ghash_clmulni_intel ac97_bus snd_rawmidi snd_seq
> > [ 2116.172559] btusb btrtl btbcm btintel bluetooth snd_seq_device
> > uvcvideo snd_pcm videobuf2_vmalloc videobuf2_memops aesni_intel
> > videobuf2_v4l2 vmw_balloon videobuf2_common videodev crypto_simd
> > cryptd glue_helper snd_timer snd vmw_vmci mc joydev pcspkr
> > ecdh_generic ecc rfkill sg soundcore i2c_piix4 ip_tables xfs libcrc32c
> > sd_mod t10_pi sr_mod crc_t10dif cdrom crct10dif_generic ata_generic
> > pata_acpi crct10dif_pclmul crct10dif_common vmwgfx crc32c_intel
> > drm_kms_helper serio_raw syscopyarea sysfillrect sysimgblt fb_sys_fops
> > ttm e1000 ata_piix drm libata mptspi scsi_transport_spi mptscsih
> > mptbase dm_mirror dm_region_hash dm_log dm_mod
> > [ 2116.259736] CR2: 0000000000000000
> > [ 2116.266264] ---[ end trace f10e2bf40bcc51ad ]---
>
> --
> Chuck Lever
>
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: kernel oops in rdma in 5.7-rc5
2020-05-20 17:33 ` Olga Kornievskaia
@ 2020-05-20 21:54 ` Chuck Lever
0 siblings, 0 replies; 4+ messages in thread
From: Chuck Lever @ 2020-05-20 21:54 UTC (permalink / raw)
To: Olga Kornievskaia; +Cc: Linux NFS Mailing List
> On May 20, 2020, at 1:33 PM, Olga Kornievskaia <aglo@umich.edu> wrote:
>
> On Wed, May 20, 2020 at 11:29 AM Chuck Lever <chuck.lever@oracle.com> wrote:
>>
>>
>>
>>> On May 20, 2020, at 11:19 AM, Olga Kornievskaia <aglo@umich.edu> wrote:
>>>
>>> Hi Chuck,
>>>
>>> I was running some tests on latest in Trond's origin/testing and got
>>> the following oops. Is this known?
>>
>> It is a known issue, but it's been difficult to reproduce. I think it
>> can happen when the server disconnects unexpectedly. I have some rather
>> fresh patches that might prevent this crash. But because it's so
>> intermittent it's not yet clear they are 100% effective. Thus I'd like
>> to let them marinate for a while longer.
>>
>> Do you encounter this crash frequently? If it's a true and royal pain
>> I can push what I have to a topic branch on linux-git.
>
> Disclaimer I haven't tested rdma on softroce (or hardware for that
> matter) in a long time so I'm not sure if it's a recent problem.
>
> If you are not ready to push out the patches, can I get a tar from you
> (again not sure I really need it)?
I pushed some patches into the cel-testing topic branch here:
git://git.linux-nfs.org/projects/cel/cel-2.6.git
In particular, commit 6a1c1cda9728 ("xprtrdma: Prevent dereferencing
r_xprt->rx_ep after it is freed") is probably the one that addresses
the crasher. But without a 100% reproducer it's tough to say for sure.
> I'm not sure how easily it's reproduced. My first oops was when
> running "nfstest_io", ever since I couldn't even mount and the client
> oops-ed every time until I rebooted the server.
> The set up is linux-to-linux (soft roce) running: ./nfstest_io -d
> /mnt/data -v all -s 1583972683450 -n 10 -r 3600 -e --createlog
> --logdir /home/aglo/logs/lock-eagain
>
> After rebooting the system, i can mount, start another nfstest_io run
> and it's been running ok for 40mins now (before I hit it in less than
> 30mins).
>
> My server is currently somewhat dated 5.5-rc5.
>
>>> [ 2116.066790] CPU: 1 PID: 429 Comm: kworker/u256:3 Not tainted 5.7.0-rc5 #16
>>> [ 2116.070852] Hardware name: VMware, Inc. VMware Virtual
>>> Platform/440BX Desktop Reference Platform, BIOS 6.00 04/13/2018
>>> [ 2116.077145] Workqueue: rpciod rpc_async_schedule [sunrpc]
>>> [ 2116.080990] RIP: 0010:ib_drain_rq+0x7/0x80 [ib_core]
>>> [ 2116.084088] Code: c6 48 c7 c7 c8 b1 cf c0 31 c0 c6 05 57 85 04 00
>>> 01 e8 0d c9 3c e4 0f 0b e9 00 ff ff ff 66 0f 1f 44 00 00 0f 1f 44 00
>>> 00 55 53 <48> 8b 07 48 89 fb 48 8b 40 30 48 85 c0 74 53 e8 85 34 f3 e4
>>> 48 8b
>>> [ 2116.094874] RSP: 0018:ffffae1bc07e7d80 EFLAGS: 00010292
>>> [ 2116.098270] RAX: ffff99006ffdb800 RBX: ffff99006fff2c00 RCX: 0000000000000000
>>> [ 2116.102803] RDX: 0000000000000000 RSI: 0000000000000207 RDI: 0000000000000000
>>> [ 2116.107521] RBP: ffff990071110800 R08: 0000000000000000 R09: ffff990031b10000
>>> [ 2116.111567] R10: 0000000000000000 R11: 000000000000477d R12: ffff99006ffdb800
>>> [ 2116.115771] R13: ffff99006fff2c00 R14: ffff990071110e40 R15: 0000000000000001
>>> [ 2116.119860] FS: 0000000000000000(0000) GS:ffff99007be40000(0000)
>>> knlGS:0000000000000000
>>> [ 2116.124401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> [ 2116.127864] CR2: 0000000000000000 CR3: 00000000788a2003 CR4: 00000000001606e0
>>> [ 2116.131983] Call Trace:
>>> [ 2116.136671] rpcrdma_xprt_disconnect+0x52/0x2b0 [rpcrdma]
>>> [ 2116.140171] ? call_transmit+0xa0/0xa0 [sunrpc]
>>> [ 2116.142819] xprt_rdma_close+0x17/0x80 [rpcrdma]
>>> [ 2116.145496] xprt_connect+0x17b/0x1e0 [sunrpc]
>>> [ 2116.148116] ? call_transmit+0xa0/0xa0 [sunrpc]
>>> [ 2116.150834] __rpc_execute+0x80/0x430 [sunrpc]
>>> [ 2116.153994] ? try_to_wake_up+0x62/0x5e0
>>> [ 2116.156374] rpc_async_schedule+0x29/0x40 [sunrpc]
>>> [ 2116.159099] process_one_work+0x172/0x380
>>> [ 2116.161591] worker_thread+0x49/0x3f0
>>> [ 2116.163707] kthread+0xf8/0x130
>>> [ 2116.165512] ? max_active_store+0x80/0x80
>>> [ 2116.167892] ? kthread_bind+0x10/0x10
>>> [ 2116.170231] ret_from_fork+0x35/0x40
>>> [ 2116.172468] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4
>>> dns_resolver nfs lockd grace fscache ib_isert iscsi_target_mod ib_srpt
>>> target_core_mod rpcrdma ib_srp ib_iser scsi_transport_srp libiscsi
>>> ib_ipoib scsi_transport_iscsi rdma_rxe ib_umad ip6_udp_tunnel
>>> udp_tunnel rdma_ucm rdma_cm iw_cm ib_cm ib_uverbs ib_core tcp_lp
>>> nls_utf8 isofs rfcomm fuse xt_CHECKSUM xt_MASQUERADE tun bridge stp
>>> llc ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6
>>> xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute ip6table_nat
>>> ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_nat
>>> nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle
>>> iptable_security iptable_raw ebtable_filter ebtables ip6table_filter
>>> ip6_tables iptable_filter vsock_loopback
>>> vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock bnep
>>> sunrpc snd_seq_midi snd_seq_midi_event intel_rapl_msr
>>> intel_rapl_common crc32_pclmul snd_ens1371 snd_ac97_codec
>>> ghash_clmulni_intel ac97_bus snd_rawmidi snd_seq
>>> [ 2116.172559] btusb btrtl btbcm btintel bluetooth snd_seq_device
>>> uvcvideo snd_pcm videobuf2_vmalloc videobuf2_memops aesni_intel
>>> videobuf2_v4l2 vmw_balloon videobuf2_common videodev crypto_simd
>>> cryptd glue_helper snd_timer snd vmw_vmci mc joydev pcspkr
>>> ecdh_generic ecc rfkill sg soundcore i2c_piix4 ip_tables xfs libcrc32c
>>> sd_mod t10_pi sr_mod crc_t10dif cdrom crct10dif_generic ata_generic
>>> pata_acpi crct10dif_pclmul crct10dif_common vmwgfx crc32c_intel
>>> drm_kms_helper serio_raw syscopyarea sysfillrect sysimgblt fb_sys_fops
>>> ttm e1000 ata_piix drm libata mptspi scsi_transport_spi mptscsih
>>> mptbase dm_mirror dm_region_hash dm_log dm_mod
>>> [ 2116.259736] CR2: 0000000000000000
>>> [ 2116.266264] ---[ end trace f10e2bf40bcc51ad ]---
>>
>> --
>> Chuck Lever
--
Chuck Lever
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2020-05-20 15:19 kernel oops in rdma in 5.7-rc5 Olga Kornievskaia
2020-05-20 15:27 ` Chuck Lever
2020-05-20 17:33 ` Olga Kornievskaia
2020-05-20 21:54 ` Chuck Lever
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