From: Paulo Alcantara <pc@manguebit.com>
To: Steve French <smfrench@gmail.com>
Cc: nspmangalore@gmail.com, bharathsm.hsk@gmail.com,
linux-cifs@vger.kernel.org,
Shyam Prasad N <sprasad@microsoft.com>
Subject: Re: [PATCH 10/14] cifs: reconnect work should have reference on server struct
Date: Thu, 16 Nov 2023 16:35:10 -0300 [thread overview]
Message-ID: <a7e0a3d3599122b09e78f354bf368794.pc@manguebit.com> (raw)
In-Reply-To: <CAH2r5mtDeP323Z8=9WjCCYVVb9B2AmO5Q4PDtcMz8wxVUCVRBA@mail.gmail.com>
Steve French <smfrench@gmail.com> writes:
> I haven't seen the use after free you see - but I do see the mount/umount
> failure around tests generic/044 and generic/045 with and without
> multichannel (which predates 6.6, probably introduced in 6.3 or 6.4). I
> also have seen some refcount warning in code paths called from query
> interfaces - but it hits it only a few of the tests in the full test run.
You haven't seen it because xfstests don't excercise reconnect or DFS
failover code paths. It will only if client looses connection to server
while tests are running.
> Any thoughts on this warning?
>
> "[18326.477305] workqueue: smb2_deferred_work_close [cifs] hogged CPU for
>>10000us 8 times, consider switching to WQ_UNBOUND" (e.g. I saw it in test
> generic/048 without multichannel)
Never saw this one. Can you bisect it?
next prev parent reply other threads:[~2023-11-16 19:35 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-30 11:00 [PATCH 01/14] cifs: print server capabilities in DebugData nspmangalore
2023-10-30 11:00 ` [PATCH 02/14] cifs: add xid to query server interface call nspmangalore
2023-10-31 5:35 ` Bharath SM
2023-10-30 11:00 ` [PATCH 03/14] cifs: reconnect helper should set reconnect for the right channel nspmangalore
2023-10-31 15:27 ` Paulo Alcantara
2023-10-31 18:29 ` Steve French
2023-10-30 11:00 ` [PATCH 04/14] cifs: do not reset chan_max if multichannel is not supported at mount nspmangalore
2023-11-01 2:57 ` Steve French
2023-11-01 3:14 ` Steve French
2023-10-30 11:00 ` [PATCH 05/14] cifs: force interface update before a fresh session setup nspmangalore
2023-11-01 3:14 ` Steve French
2023-10-30 11:00 ` [PATCH 06/14] cifs: handle cases where a channel is closed nspmangalore
2023-11-01 3:09 ` Steve French
2023-11-02 12:26 ` Shyam Prasad N
2023-10-30 11:00 ` [PATCH 07/14] cifs: distribute channels across interfaces based on speed nspmangalore
2023-10-30 11:00 ` [PATCH 08/14] cifs: account for primary channel in the interface list nspmangalore
2023-11-08 15:44 ` Paulo Alcantara
2023-11-08 18:16 ` Steve French
2023-11-08 19:03 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 09/14] cifs: add a back pointer to cifs_sb from tcon nspmangalore
2023-11-01 3:30 ` Steve French
2023-11-03 21:03 ` Paulo Alcantara
2023-11-06 16:12 ` Shyam Prasad N
2023-11-06 17:04 ` Shyam Prasad N
[not found] ` <CAH2r5msQLTcdiHBrOKd+q6LPPHW_Jj3QbpFZyZ48CJbrtDqC5w@mail.gmail.com>
[not found] ` <CAH2r5mt4hC5x2w2D46y13j_OtjkJk9_ZaeGXbb7YKukffBk2LQ@mail.gmail.com>
2023-11-06 19:36 ` Fwd: " Steve French
2023-11-08 15:24 ` Paulo Alcantara
2023-11-08 16:11 ` Steve French
2023-10-30 11:00 ` [PATCH 10/14] cifs: reconnect work should have reference on server struct nspmangalore
2023-11-16 17:10 ` Paulo Alcantara
[not found] ` <CAH2r5mtDeP323Z8=9WjCCYVVb9B2AmO5Q4PDtcMz8wxVUCVRBA@mail.gmail.com>
2023-11-16 19:35 ` Paulo Alcantara [this message]
2023-10-30 11:00 ` [PATCH 11/14] cifs: handle when server starts supporting multichannel nspmangalore
2023-11-01 3:30 ` Steve French
2023-11-01 15:52 ` Paulo Alcantara
2023-11-04 7:50 ` Shyam Prasad N
2023-11-02 20:28 ` Paulo Alcantara
2023-11-03 0:43 ` Steve French
2023-11-03 20:32 ` Paulo Alcantara
[not found] ` <notmuch-sha1-c3bfa7f4ae0bb24c5ee7cfddb408c2fbeca5d8f7>
2023-11-08 16:02 ` Paulo Alcantara
2023-11-08 19:25 ` Steve French
2023-11-08 19:31 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 12/14] cifs: handle when server stops " nspmangalore
2023-11-08 16:35 ` Paulo Alcantara
[not found] ` <notmuch-sha1-9ed0289358ca5c90903408ad9c0ac0310afee598>
2023-11-08 19:13 ` Paulo Alcantara
2023-11-08 19:41 ` Paulo Alcantara
2023-11-09 11:44 ` Shyam Prasad N
2023-11-09 13:28 ` Paulo Alcantara
2023-11-09 13:49 ` Shyam Prasad N
2023-11-10 4:09 ` Shyam Prasad N
2023-11-11 17:23 ` Paulo Alcantara
2023-11-12 18:52 ` Steve French
[not found] ` <CAH2r5mvG3zLBxknPOuaz9=GarZO6n6bhcduiZHHfiqVYZYJiVQ@mail.gmail.com>
2023-11-12 19:32 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 13/14] cifs: display the endpoint IP details in DebugData nspmangalore
2023-10-31 15:18 ` Paulo Alcantara
[not found] ` <notmuch-sha1-260ef7fe7af7face0e1486229c0fda5149fe14e2>
2023-11-01 14:12 ` Paulo Alcantara
2023-11-01 14:19 ` Steve French
2023-11-04 7:44 ` Shyam Prasad N
2023-11-04 19:00 ` Paulo Alcantara
2023-10-30 12:34 ` [PATCH 01/14] cifs: print server capabilities " Bharath SM
2023-10-30 12:40 ` Shyam Prasad N
2023-10-30 12:51 ` Shyam Prasad N
2023-10-30 14:54 ` Steve French
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