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From: "Bernard Metzler" <BMT@zurich.ibm.com>
To: "Yi Zhang" <yi.zhang@redhat.com>
Cc: "Robert Pearson" <rpearsonhpe@gmail.com>,
	"linux-rdma" <linux-rdma@vger.kernel.org>,
	"Jason Gunthorpe" <jgg@nvidia.com>,
	"Bart Van Assche" <bvanassche@acm.org>
Subject: Re: Re: Issus with blktest/srp on 5.15-rc1 and rdma_rxe
Date: Fri, 17 Sep 2021 08:23:32 +0000	[thread overview]
Message-ID: <OFC7347FF0.D24DF679-ON00258753.002DFE5F-00258753.002E19D7@ibm.com> (raw)
In-Reply-To: <CAHj4cs9Rzte5zbgy7o158m7JA8dbSEpxy5oR-+K0NQCK1gxG=Q@mail.gmail.com>

-----"Yi Zhang" <yi.zhang@redhat.com> wrote: -----

>To: "Robert Pearson" <rpearsonhpe@gmail.com>
>From: "Yi Zhang" <yi.zhang@redhat.com>
>Date: 09/17/2021 09:29AM
>Cc: "Bernard Metzler" <BMT@zurich.ibm.com>, "linux-rdma"
><linux-rdma@vger.kernel.org>, "Jason Gunthorpe" <jgg@nvidia.com>,
>"Bart Van Assche" <bvanassche@acm.org>
>Subject: [EXTERNAL] Re: Issus with blktest/srp on 5.15-rc1 and
>rdma_rxe
>
>                    On Fri, Sep 17, 2021 at 6:21 AM Robert Pearson
><rpearsonhpe@gmail.com> wrote: Bernard, That would indicate that you
>have not applied the patch series RDMA/rxe: Fix various bugs which
>fixes the rkey not match rxe bug. I do not know how
>
>     
>
>
>On Fri, Sep 17, 2021 at 6:21 AM Robert Pearson
><rpearsonhpe@gmail.com> wrote:
>Bernard,
> That would indicate that you have not applied the patch series
> RDMA/rxe: Fix various bugs which fixes the rkey not match rxe bug.
> I do not know how to get it to select the siw device instead of the
>rxe
> device but Bart does.
> 
>
>Just try use_siw=1 ./check -q srp/005

srp/015 seem to be dedicated to siw testing. It selects siw if available.
I think this is how Bart found it.
Unfortunately, for some reason I am not aware of, testing defaults to
rxe only for the other tests. Maybe at least the helper should
talk about this hidden option.

Thanks,
Bernard.

>  Bob
> 
> On Thu, Sep 16, 2021 at 2:36 PM Bernard Metzler <BMT@zurich.ibm.com>
>wrote:
> >
> > Hi,
> >
> > if I run the complete srp test series from the blktests suite,
> > the dmesg log contains many rdma_rxe messages of type:
> >
> > rdma_rxe: rxe_invalidate_mr: rkey (n) doesn't match mr->ibmr.rkey
>(n + 1)
> >
> > where 'n' is the current key. I expect this is not intended
> > behavior.
> >
> > I am at commit 1b789bd4dbd48a92f5427d9c37a72a8f6ca17754
> >
> >
> >
> > Furthermore, running ./check -q srp/005 sometimes I get this:
> >
> > [  308.903330] sd 11:0:0:1: [sde] Attached SCSI disk
> > [  308.917293] scsi 11:0:0:1: alua: Detached
> > [  308.918191] BUG: kernel NULL pointer dereference, address:
>0000000000000000
> > [  308.918223] #PF: supervisor instruction fetch in kernel mode
> > [  308.918242] #PF: error_code(0x0010) - not-present page
> > [  308.918259] PGD 0 P4D 0
> > [  308.918271] Oops: 0010 [#1] SMP PTI
> > [  308.918285] CPU: 1 PID: 4214 Comm: kworker/1:255 Not tainted
>5.15.0-rc1+ #4
> > [  308.918309] Hardware name: To Be Filled By O.E.M. To Be Filled
>By O.E.M./Z77 Extreme6, BIOS P2.80 07/01/2013
> > [  308.918338] Workqueue: srp_remove srp_remove_work [ib_srp]
> > [  308.918362] RIP: 0010:0x0
> > [  308.918375] Code: Unable to access opcode bytes at RIP
>0xffffffffffffffd6.
> > [  308.918397] RSP: 0018:ffffb6124b9a3b68 EFLAGS: 00010086
> > [  308.918414] RAX: 0000000000000001 RBX: ffffb6124b9a3ce0 RCX:
>0000000000000000
> > [  308.918437] RDX: 0000000000000000 RSI: ffffb6124b9a3c50 RDI:
>ffff966063a27a00
> > [  308.918459] RBP: ffffb6124b9a3bb0 R08: ffff966067481c00 R09:
>ffffeb578489b808
> > [  308.918481] R10: ffff966043c0f200 R11: ffffb6124b9a3d00 R12:
>ffff966063a27a00
> > [  308.918503] R13: 0000000000000004 R14: 0000000000000000 R15:
>ffffb6124b9a3c50
> > [  308.918524] FS:  0000000000000000(0000)
>GS:ffff966157680000(0000) knlGS:0000000000000000
> > [  308.918550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [  308.918568] CR2: ffffffffffffffd6 CR3: 000000005060a004 CR4:
>00000000001706e0
> > [  308.918590] Call Trace:
> > [  308.918601]  __ib_process_cq+0x89/0x150 [ib_core]
> > [  308.918640]  ib_process_cq_direct+0x30/0x50 [ib_core]
> > [  308.918669]  ? xas_store+0x331/0x640
> > [  308.918684]  ? free_unref_page_commit.isra.135+0x91/0x140
> > [  308.918705]  ? free_unref_page+0x6e/0xd0
> > [  308.918719]  ? __free_pages+0xa3/0xc0
> > [  308.918733]  ? kfree+0x32f/0x3b0
> > [  308.918748]  srp_destroy_qp+0x24/0x40 [ib_srp]
> > [  308.918767]  srp_free_ch_ib+0x77/0x180 [ib_srp]
> > [  308.918784]  srp_remove_work+0xde/0x1a0 [ib_srp]
> > [  308.918801]  process_one_work+0x1d0/0x380
> > [  308.918817]  worker_thread+0x37/0x390
> > [  308.918831]  ? process_one_work+0x380/0x380
> > [  308.918846]  kthread+0x12f/0x150
> > [  308.918859]  ? set_kthread_struct+0x40/0x40
> > [  308.918874]  ret_from_fork+0x22/0x30
> >
> >
> > With ./check -q srp/008 I sometimes get something similar:
> >
> > [ 1772.149274] sd 11:0:0:1: [sde] Attached SCSI disk
> > [ 1772.150096] scsi 11:0:0:2: alua: Detached
> > [ 1772.150184] blk_update_request: I/O error, dev sde, sector 8 op
>0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
> > [ 1772.151653] blk_update_request: I/O error, dev sde, sector 8 op
>0x0:(READ) flags 0x0 phys_seg 1 prio class 0
> > [ 1772.153080] Buffer I/O error on dev sde, logical block 1, async
>page read
> > [ 1772.169139] scsi 11:0:0:1: alua: Detached
> > [ 1772.169446] BUG: kernel NULL pointer dereference, address:
>0000000000000000
> > [ 1772.170881] #PF: supervisor instruction fetch in kernel mode
> > [ 1772.172297] #PF: error_code(0x0010) - not-present page
> > [ 1772.173751] PGD 0 P4D 0
> > [ 1772.175165] Oops: 0010 [#1] SMP PTI
> > [ 1772.176575] CPU: 3 PID: 8654 Comm: kworker/3:60 Not tainted
>5.15.0-rc1+ #4
> > [ 1772.177995] Hardware name: To Be Filled By O.E.M. To Be Filled
>By O.E.M./Z77 Extreme6, BIOS P2.80 07/01/2013
> > [ 1772.179430] Workqueue: srp_remove srp_remove_work [ib_srp]
> > [ 1772.180859] RIP: 0010:0x0
> > [ 1772.182276] Code: Unable to access opcode bytes at RIP
>0xffffffffffffffd6.
> > [ 1772.183705] RSP: 0018:ffffa9710a2f7b68 EFLAGS: 00010086
> > [ 1772.185129] RAX: 0000000000000001 RBX: ffffa9710a2f7c50 RCX:
>0000000000000000
> > [ 1772.186566] RDX: 0000000000000000 RSI: ffffa9710a2f7c08 RDI:
>ffff91a703825a00
> > [ 1772.187994] RBP: ffffa9710a2f7bb0 R08: ffff91a7184f8300 R09:
>0000000000000000
> > [ 1772.189425] R10: ffff91a7869ce000 R11: ffffa9710a2f7d00 R12:
>ffff91a703825a00
> > [ 1772.190848] R13: 0000000000000002 R14: 0000000000000000 R15:
>ffffa9710a2f7c08
> > [ 1772.192270] FS:  0000000000000000(0000)
>GS:ffff91a817780000(0000) knlGS:0000000000000000
> > [ 1772.193689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 1772.195118] CR2: ffffffffffffffd6 CR3: 0000000111458006 CR4:
>00000000001706e0
> > [ 1772.196558] Call Trace:
> > [ 1772.197975]  __ib_process_cq+0x89/0x150 [ib_core]
> > [ 1772.199402]  ib_process_cq_direct+0x30/0x50 [ib_core]
> > [ 1772.200830]  ? put_cpu_partial+0x98/0xb0
> > [ 1772.202260]  ? __slab_free+0x226/0x3c0
> > [ 1772.203664]  ? __slab_free+0x226/0x3c0
> > [ 1772.205038]  ? xas_store+0x331/0x640
> > [ 1772.206404]  ? rxe_elem_release+0x4f/0x60 [rdma_rxe]
> > [ 1772.207763]  ? kfree+0x372/0x3b0
> > [ 1772.209101]  ? srp_destroy_fr_pool+0x43/0x50 [ib_srp]
> > [ 1772.210439]  srp_destroy_qp+0x24/0x40 [ib_srp]
> > [ 1772.211759]  srp_free_ch_ib+0x77/0x180 [ib_srp]
> > [ 1772.213093]  srp_remove_work+0xde/0x1a0 [ib_srp]
> > [ 1772.214417]  process_one_work+0x1d0/0x380
> > [ 1772.215756]  worker_thread+0x37/0x390
> > [ 1772.217082]  ? process_one_work+0x380/0x380
> > [ 1772.218422]  kthread+0x12f/0x150
> > [ 1772.219744]  ? set_kthread_struct+0x40/0x40
> > [ 1772.221059]  ret_from_fork+0x22/0x30
> >
> >
> > Many thanks,
> > Bernard.
> >
> >
> 
> 
>
>-- 
>Best Regards,
>  Yi Zhang  

  reply	other threads:[~2021-09-17  8:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAHj4cs9Rzte5zbgy7o158m7JA8dbSEpxy5oR-+K0NQCK1gxG=Q@mail.gmail.com>
2021-09-16 19:36 ` Bernard Metzler
2021-09-16 22:21   ` Robert Pearson
2021-09-17  8:23     ` Bernard Metzler [this message]
2021-09-18  2:56       ` Bart Van Assche
2021-09-18 12:15         ` Yi Zhang
2021-09-21 20:08       ` Still issues with blktest/srp on 5.15-rc1 and software rdma providers Bernard Metzler
2021-09-21 20:16         ` Bart Van Assche
2021-09-17  8:15   ` Re: Issus with blktest/srp on 5.15-rc1 and rdma_rxe Bernard Metzler

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