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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Jack Morgenstein <jackm@nvidia.com>,
	Eran Ben Elisha <eranbe@nvidia.com>,
	Majd Dibbiny <majd@nvidia.com>
Subject: [net-next 12/15] net/mlx5: Enhance debug print in page allocation failure
Date: Sat,  4 Feb 2023 02:08:51 -0800	[thread overview]
Message-ID: <20230204100854.388126-13-saeed@kernel.org> (raw)
In-Reply-To: <20230204100854.388126-1-saeed@kernel.org>

From: Jack Morgenstein <jackm@nvidia.com>

Provide more details to aid debugging.

Fixes: bf0bf77f6519 ("mlx5: Support communicating arbitrary host page size to firmware")
Signed-off-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Majd Dibbiny <majd@nvidia.com>
Signed-off-by: Jack Morgenstein <jackm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 60596357bfc7..96e57f1812a4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -211,7 +211,8 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u32 function)
 
 	n = find_first_bit(&fp->bitmask, 8 * sizeof(fp->bitmask));
 	if (n >= MLX5_NUM_4K_IN_PAGE) {
-		mlx5_core_warn(dev, "alloc 4k bug\n");
+		mlx5_core_warn(dev, "alloc 4k bug: fw page = 0x%llx, n = %u, bitmask: %lu, max num of 4K pages: %d\n",
+			       fp->addr, n, fp->bitmask,  MLX5_NUM_4K_IN_PAGE);
 		return -ENOENT;
 	}
 	clear_bit(n, &fp->bitmask);
-- 
2.39.1


  parent reply	other threads:[~2023-02-04 10:09 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-04 10:08 [pull request][net-next 00/15] mlx5 updates 2023-02-04 Saeed Mahameed
2023-02-04 10:08 ` [net-next 01/15] net/mlx5: Lag, Update multiport eswitch check to log an error Saeed Mahameed
2023-02-06  9:20   ` patchwork-bot+netdevbpf
2023-02-04 10:08 ` [net-next 02/15] net/mlx5: Lag, Use mlx5_lag_dev() instead of derefering pointers Saeed Mahameed
2023-02-04 10:08 ` [net-next 03/15] net/mlx5: Lag, Remove redundant bool allocation on the stack Saeed Mahameed
2023-02-04 10:08 ` [net-next 04/15] net/mlx5: Lag, Use flag to check for shared FDB mode Saeed Mahameed
2023-02-04 10:08 ` [net-next 05/15] net/mlx5: Lag, Move mpesw related definitions to mpesw.h Saeed Mahameed
2023-02-04 10:08 ` [net-next 06/15] net/mlx5: Separate mlx5 driver documentation into multiple pages Saeed Mahameed
2023-02-04 10:08 ` [net-next 07/15] net/mlx5: Update Kconfig parameter documentation Saeed Mahameed
2023-02-04 10:08 ` [net-next 08/15] net/mlx5: Document previously implemented mlx5 tracepoints Saeed Mahameed
2023-02-04 10:08 ` [net-next 09/15] net/mlx5: Add counter information to mlx5 driver documentation Saeed Mahameed
2023-02-04 10:08 ` [net-next 10/15] net/mlx5: Document support for RoCE HCA disablement capability Saeed Mahameed
2023-02-04 10:08 ` [net-next 11/15] net/mlx5: Add firmware support for MTUTC scaled_ppm frequency adjustments Saeed Mahameed
2023-02-04 10:08 ` Saeed Mahameed [this message]
2023-02-04 10:08 ` [net-next 13/15] net/mlx5e: IPoIB, Add support for XDR speed Saeed Mahameed
2023-02-04 10:08 ` [net-next 14/15] net/mlx5e: IPsec, support upper protocol selector field offload Saeed Mahameed
2023-02-04 10:08 ` [net-next 15/15] net/mlx5e: Trigger NAPI after activating an SQ Saeed Mahameed

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