From: Stephen Hemminger <stephen@networkplumber.org>
To: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
Cc: thomas@monjalon.net, ferruh.yigit@amd.com,
andrew.rybchenko@oktetlabs.ru, dev@dpdk.org, stable@dpdk.org
Subject: Re: [PATCH v6] app/testpmd: monitor state of primary process when using secondary
Date: Fri, 1 Aug 2025 15:50:57 -0700 [thread overview]
Message-ID: <20250801155057.0a7aee2a@hermes.local> (raw)
In-Reply-To: <20250730060818.141022-1-14pwcse1224@uetpeshawar.edu.pk>
On Wed, 30 Jul 2025 02:08:18 -0400
Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk> wrote:
> In secondary processes, accessing device after primary has exited
> will cause crash.
>
> This patch adds a mechanism in testpmd to monitor the primary process
> from the secondary process.
> When primary process exits it forces secondary to exit avoiding
> issues from cleanup logic.
>
> Fixes: a550baf24af9 ('app/testpmd: support multi-process')
> Cc: stable@dpdk.org
>
> Signed-off-by: Khadem Ullah <14pwcse1224@uetpeshawar.edu.pk>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
The problem with this patch, is the build now fails on Windows
where there is no primary/secondary process support.
Either add stubs for Windows or #ifdef the code in test-pmd
as necessary.
next prev parent reply other threads:[~2025-08-01 22:51 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-22 11:54 [PATCH] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Khadem Ullah
2025-07-22 13:39 ` Stephen Hemminger
2025-07-22 14:30 ` Khadem Ullah
2025-07-22 15:42 ` Stephen Hemminger
2025-07-22 16:01 ` Khadem Ullah
2025-07-22 16:13 ` Bruce Richardson
2025-07-22 17:04 ` Khadem Ullah
2025-07-22 17:38 ` Stephen Hemminger
2025-07-22 17:53 ` Khadem Ullah
2025-07-22 18:21 ` Stephen Hemminger
2025-07-22 19:03 ` Khadem Ullah
2025-07-22 19:05 ` Ivan Malov
2025-07-22 22:28 ` Stephen Hemminger
2025-07-23 4:29 ` Khadem Ullah
2025-07-23 4:50 ` [PATCH v2] " Khadem Ullah
2025-07-23 12:19 ` Khadem Ullah
2025-07-23 13:13 ` Khadem Ullah
2025-07-23 13:24 ` Ivan Malov
2025-07-23 13:26 ` Khadem Ullah
2025-07-23 13:31 ` Ivan Malov
2025-07-23 13:10 ` [PATCH] [PATCH v3] " Khadem Ullah
2025-07-23 13:19 ` Ivan Malov
2025-07-23 13:34 ` Khadem Ullah
2025-07-23 14:22 ` Stephen Hemminger
2025-07-24 5:49 ` Khadem Ullah
2025-07-25 13:00 ` Khadem Ullah
2025-07-25 12:55 ` [PATCH] [PATCH v4] " Khadem Ullah
2025-07-28 21:45 ` Stephen Hemminger
2025-07-29 5:42 ` Khadem Ullah
2025-07-29 21:34 ` Stephen Hemminger
2025-07-30 5:07 ` Khadem Ullah
2025-08-08 3:49 ` Varghese, Vipin
2025-08-08 15:32 ` Stephen Hemminger
2025-08-11 10:19 ` Varghese, Vipin
2025-08-11 10:28 ` Khadem Ullah
2025-08-11 10:39 ` Varghese, Vipin
2025-07-29 6:39 ` [PATCH] app/testpmd: fix segfault in secondary process by monitoring primary Khadem Ullah
2025-07-29 6:39 ` [PATCH] [PATCH v4] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Khadem Ullah
2025-07-29 6:39 ` [PATCH] [PATCH v5] app/testpmd: fix segfault in secondary process by monitoring primary Khadem Ullah
2025-07-29 14:48 ` Stephen Hemminger
2025-07-29 21:48 ` Stephen Hemminger
2025-07-30 5:24 ` Khadem Ullah
2025-08-08 3:44 ` Varghese, Vipin
2025-08-08 16:17 ` Stephen Hemminger
2025-08-11 10:23 ` Varghese, Vipin
2025-08-11 10:27 ` Khadem Ullah
2025-07-30 5:56 ` [PATCH] app/testpmd: monitor state of primary process when using secondary Khadem Ullah
2025-07-30 6:08 ` [PATCH v6] " Khadem Ullah
2025-08-01 22:50 ` Stephen Hemminger [this message]
2025-08-04 7:54 ` [PATCH v7] " Khadem Ullah
2025-08-04 11:33 ` Khadem Ullah
2025-08-04 15:44 ` Stephen Hemminger
2025-08-05 0:50 ` fengchengwen
2025-08-08 3:23 ` Varghese, Vipin
2025-08-08 5:44 ` Khadem Ullah
2025-08-08 10:59 ` Varghese, Vipin
2025-08-08 11:49 ` Khadem Ullah
2025-08-08 16:49 ` Stephen Hemminger
2025-08-08 17:01 ` Khadem Ullah
2025-08-11 10:37 ` Varghese, Vipin
2025-08-11 11:14 ` Khadem Ullah
2025-08-11 11:34 ` Varghese, Vipin
2025-08-11 11:55 ` Khadem Ullah
2025-08-11 14:44 ` Varghese, Vipin
2025-08-11 17:11 ` Khadem Ullah
2025-08-11 10:30 ` Varghese, Vipin
2025-08-11 10:51 ` Khadem Ullah
2025-08-11 11:07 ` Varghese, Vipin
2025-08-08 15:28 ` Stephen Hemminger
2025-08-08 15:50 ` Khadem Ullah
2025-08-08 16:10 ` Stephen Hemminger
2025-09-15 8:10 ` [PATCH v3] app/testpmd: stop secondary process fwd_lcores during primary teardown Khadem Ullah
2025-09-15 9:29 ` Khadem Ullah
2025-09-15 10:23 ` Khadem Ullah
2025-09-15 11:25 ` Khadem Ullah
2025-09-15 15:43 ` Stephen Hemminger
2025-09-17 11:36 ` [PATCH v4] " Khadem Ullah
2025-09-17 20:54 ` Stephen Hemminger
2025-09-18 6:47 ` [PATCH v5] " Khadem Ullah
2025-09-18 15:08 ` Stephen Hemminger
2025-09-18 16:45 ` Stephen Hemminger
2025-07-23 14:21 ` [PATCH v2] lib/ethdev: fix segfault in secondary process by validating dev_private pointer Stephen Hemminger
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