From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1 23/31] testcases: sysfs: Add sys_net04
Date: Wed, 19 Aug 2026 17:40:39 +0200 [thread overview]
Message-ID: <aoXOd5N0mr2UWH95@yuki.lan> (raw)
In-Reply-To: <aoUROJGM1mDGTqjA@linux.dev>
Hi!
> Here I got intermittent fails in local test:
>
> sys_net_common.h:32: TFAIL: st->operstate (up) != operstate (down)
>
> The possible reason is kernel asynchronous update race condition.
> The test reads operstate immediately after closing the FD, catching
> the stale "up" state before the kernel's background workqueue has
> time to update it to "down".
Looks like this was pointed out by the ltp-reviewer as well.
> Maybe we can add a polling mechanism with a timeout to wait for
> the operstate to transition.
Will do in v2.
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2026-08-19 15:41 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-18 14:12 [LTP] [PATCH v1 00/31] Add sysfs sanity tests Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 01/31] lib: Add tst_sysfs_assert Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 02/31] testcases: sysfs: Add sys_power01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 03/31] testcases: sysfs: Add sys_kernel01 Cyril Hrubis
2026-08-18 14:54 ` [LTP] lib: Add tst_sysfs_assert linuxtestproject.agent
2026-08-19 16:13 ` Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 04/31] testcases: sysfs: Add sys_clocksource01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 05/31] testcases: sysfs: Add sys_node01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 06/31] testcases: sysfs: Add sys_cpu_topology01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 07/31] testcases: sysfs: Add sys_cpu_topology02 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 08/31] testcases: sysfs: Add sys_cpu_vulnerabilities01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 09/31] testcases: sysfs: Add sys_cpu_smt01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 10/31] testcases: sysfs: Add sys_cpu_cache01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 11/31] testcases: sysfs: Add sys_clockevents01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 12/31] testcases: sysfs: Add sys_ata01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 13/31] testcases: sysfs: Add sys_bdi01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 14/31] testcases: sysfs: sys_hwmon01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 15/31] testcases: sysfs: sys_leds01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 16/31] testcases: sysfs: Add sys_wakeup01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 17/31] testcases: sysfs: Add sys_rtc01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 18/31] testcases: sysfs: Add sys_thermal01 Cyril Hrubis
2026-08-18 14:12 ` [LTP] [PATCH v1 19/31] tst_netdevice: Add two more helper macros Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 20/31] testcases: sysfs: Add sys_net01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 21/31] testcases: sysfs: Add sys_net02 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 22/31] testcases: sysfs: Add sys_net03 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 23/31] testcases: sysfs: Add sys_net04 Cyril Hrubis
2026-08-19 2:13 ` Li Wang
2026-08-19 2:27 ` Li Wang
2026-08-19 15:40 ` Cyril Hrubis [this message]
2026-08-18 14:13 ` [LTP] [PATCH v1 24/31] testcases: sysfs: Add sys_block_loop01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 25/31] testcases: sysfs: Add sys_block_queue01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 26/31] testcases: sysfs: Add sys_block_size01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 27/31] testcases: sysfs: Add sys_hugepages01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 28/31] testcases: sysfs: Add sys_hugepages02 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 29/31] testcases: sysfs: Add sys_ksm01 Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 30/31] testcases: sysfs: Add sys_swap01 Cyril Hrubis
2026-08-19 1:23 ` Li Wang
2026-08-19 16:14 ` Cyril Hrubis
2026-08-18 14:13 ` [LTP] [PATCH v1 31/31] testcases: sysfs: Add sys_thp01 Cyril Hrubis
2026-08-19 7:46 ` [LTP] [PATCH v1 00/31] Add sysfs sanity tests Jan Stancek via ltp
2026-08-19 7:55 ` Cyril Hrubis
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