From: patchwork-bot+netdevbpf@kernel.org
To: Long Li <longli@microsoft.com>
Cc: kotaranov@microsoft.com, kuba@kernel.org, davem@davemloft.net,
pabeni@redhat.com, edumazet@google.com, andrew+netdev@lunn.ch,
jgg@ziepe.ca, leon@kernel.org, haiyangz@microsoft.com,
kys@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
shradhagupta@linux.microsoft.com, horms@kernel.org,
ernis@linux.microsoft.com, stephen@networkplumber.org,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: mana: Cap MSI-X vectors to the device MSI-X table size
Date: Mon, 24 Aug 2026 19:10:18 +0000 [thread overview]
Message-ID: <178759861814.3069565.10209025813207370256.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260821183736.733296-1-longli@microsoft.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 21 Aug 2026 11:37:36 -0700 you wrote:
> mana_gd_query_max_resources() sizes gc->num_msix_usable from resp.max_msix
> and the CPU count, but never from the device MSI-X table. On a 1792 vCPU
> M-series VM that yields 1793 while the table has 1024 entries, and
> mana_gd_setup_remaining_irqs() then walks indices 1..1792, running off the
> end of the region mapped by msix_map_region():
>
> BUG: unable to handle page fault for address: ff8e347f8b99800c
> RIP: 0010:msix_prepare_msi_desc+0x7a/0x90
> RAX: 0000000000004000 RBX: ff4330cb164ea780 RCX: ff8e347f8b998000
> Call Trace:
> <TASK>
> __msi_domain_alloc_irqs+0x13a/0x440
> msi_domain_alloc_irq_at+0x149/0x1b0
> mana_gd_setup+0x351/0x890
> mana_gd_probe+0x274/0x390
> </TASK>
>
> [...]
Here is the summary with links:
- [net] net: mana: Cap MSI-X vectors to the device MSI-X table size
https://git.kernel.org/netdev/net/c/2c7493f98014
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-08-24 19:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-21 18:37 [PATCH net] net: mana: Cap MSI-X vectors to the device MSI-X table size Long Li
2026-08-24 16:16 ` Simon Horman
2026-08-24 19:10 ` patchwork-bot+netdevbpf [this message]
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