package/kernel/linux/sgi-meth-silent.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/linux/sgi-meth-silent.patch
   3 # Copyright (C) 2024 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 IMHO a constant high load flow of:
  15
  16 [ 6412.073755] meth: error status: 0x043b0360
  17 [ 6412.107642] meth: Rx underflow
  18
  19 is a bit too noisy as default for production use.
  20
  21 --- linux-6.6/drivers/net/ethernet/sgi/meth.c.vanilla   2024-01-06 21:03:39.406526302 +0100
  22 +++ linux-6.6/drivers/net/ethernet/sgi/meth.c   2024-01-06 21:07:32.591552068 +0100
  23 @@ -541,7 +541,7 @@
  24         struct meth_private *priv = netdev_priv(dev);
  25         unsigned long flags;
  26
  27 -       printk(KERN_WARNING "meth: error status: 0x%08x\n",status);
  28 +       DPRINTK("meth: error status: 0x%08x\n",status);
  29         /* check for errors too... */
  30         if (status & (METH_INT_TX_LINK_FAIL))
  31                 printk(KERN_WARNING "meth: link failure\n");
  32 @@ -553,7 +553,7 @@
  33         if (status & (METH_INT_RX_OVERFLOW))
  34                 printk(KERN_WARNING "meth: Rx overflow\n");
  35         if (status & (METH_INT_RX_UNDERFLOW)) {
  36 -               printk(KERN_WARNING "meth: Rx underflow\n");
  37 +               DPRINTK("meth: Rx underflow\n");
  38                 spin_lock_irqsave(&priv->meth_lock, flags);
  39                 mace->eth.int_stat = METH_INT_RX_UNDERFLOW;
  40                 /* more underflow interrupts will be delivered,