From: patchwork-bot+netdevbpf@kernel.org
To: Manish Chopra <manishc@marvell.com>
Cc: kuba@kernel.org, netdev@vger.kernel.org, aelior@marvell.com,
palok@marvell.com, jiri@resnulli.us, skalluru@marvell.com,
davem@davemloft.net
Subject: Re: [PATCH v6 net] qed/qede: Fix scheduling while atomic
Date: Tue, 06 Jun 2023 13:40:20 +0000 [thread overview]
Message-ID: <168605882061.23540.16614616728230510394.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230605112600.48238-1-manishc@marvell.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Mon, 5 Jun 2023 16:56:00 +0530 you wrote:
> Statistics read through bond interface via sysfs causes
> below bug and traces as it triggers the bonding module to
> collect the slave device statistics while holding the spinlock,
> beneath that qede->qed driver statistics flow gets scheduled out
> due to usleep_range() used in PTT acquire logic
>
> [ 3673.988874] Hardware name: HPE ProLiant DL365 Gen10 Plus/ProLiant DL365 Gen10 Plus, BIOS A42 10/29/2021
> [ 3673.988878] Call Trace:
> [ 3673.988891] dump_stack_lvl+0x34/0x44
> [ 3673.988908] __schedule_bug.cold+0x47/0x53
> [ 3673.988918] __schedule+0x3fb/0x560
> [ 3673.988929] schedule+0x43/0xb0
> [ 3673.988932] schedule_hrtimeout_range_clock+0xbf/0x1b0
> [ 3673.988937] ? __hrtimer_init+0xc0/0xc0
> [ 3673.988950] usleep_range+0x5e/0x80
> [ 3673.988955] qed_ptt_acquire+0x2b/0xd0 [qed]
> [ 3673.988981] _qed_get_vport_stats+0x141/0x240 [qed]
> [ 3673.989001] qed_get_vport_stats+0x18/0x80 [qed]
> [ 3673.989016] qede_fill_by_demand_stats+0x37/0x400 [qede]
> [ 3673.989028] qede_get_stats64+0x19/0xe0 [qede]
> [ 3673.989034] dev_get_stats+0x5c/0xc0
> [ 3673.989045] netstat_show.constprop.0+0x52/0xb0
> [ 3673.989055] dev_attr_show+0x19/0x40
> [ 3673.989065] sysfs_kf_seq_show+0x9b/0xf0
> [ 3673.989076] seq_read_iter+0x120/0x4b0
> [ 3673.989087] new_sync_read+0x118/0x1a0
> [ 3673.989095] vfs_read+0xf3/0x180
> [ 3673.989099] ksys_read+0x5f/0xe0
> [ 3673.989102] do_syscall_64+0x3b/0x90
> [ 3673.989109] entry_SYSCALL_64_after_hwframe+0x44/0xae
> [ 3673.989115] RIP: 0033:0x7f8467d0b082
> [ 3673.989119] Code: c0 e9 b2 fe ff ff 50 48 8d 3d ca 05 08 00 e8 35 e7 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
> [ 3673.989121] RSP: 002b:00007ffffb21fd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
> [ 3673.989127] RAX: ffffffffffffffda RBX: 000000000100eca0 RCX: 00007f8467d0b082
> [ 3673.989128] RDX: 00000000000003ff RSI: 00007ffffb21fdc0 RDI: 0000000000000003
> [ 3673.989130] RBP: 00007f8467b96028 R08: 0000000000000010 R09: 00007ffffb21ec00
> [ 3673.989132] R10: 00007ffffb27b170 R11: 0000000000000246 R12: 00000000000000f0
> [ 3673.989134] R13: 0000000000000003 R14: 00007f8467b92000 R15: 0000000000045a05
> [ 3673.989139] CPU: 30 PID: 285188 Comm: read_all Kdump: loaded Tainted: G W OE
>
> [...]
Here is the summary with links:
- [v6,net] qed/qede: Fix scheduling while atomic
https://git.kernel.org/netdev/net/c/42510dffd0e2
You are awesome, thank you!
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prev parent reply other threads:[~2023-06-06 13:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-05 11:26 [PATCH v6 net] qed/qede: Fix scheduling while atomic Manish Chopra
2023-06-06 13:40 ` patchwork-bot+netdevbpf [this message]
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