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Bug#841044: marked as done (gem 0001:04:0f.0 eth0: RX MAC fifo overflow smac[03810400])

Your message dated Thu, 13 May 2021 22:59:28 +0200
with message-id <YJ2TMHvDBFKiDAxs@eldamar.lan>
and subject line Re: Bug#841044: Problem with gem network card
has caused the Debian Bug report #841044,
regarding gem 0001:04:0f.0 eth0: RX MAC fifo overflow smac[03810400]
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
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immediately.)


-- 
841044: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=841044
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: src:linux
Version: 3.16+63

Hi,

on my Mac G5 I see loss of network connectivity when doing big
downloads or uploads.

The machine cannot be pinged anymore then and also cannot ping out.

When it's happening I see the following messages:

Oct 11 10:45:13 g5 kernel: [  430.477967] gem 0001:04:0f.0 eth0: RX
MAC fifo overflow smac[03810400]
Oct 11 10:45:17 g5 kernel: [  434.141957] gem 0001:04:0f.0 eth0: RX
MAC fifo overflow smac[03810400]


Previous messages, for information:

...
Oct 11 10:38:36 g5 kernel: [    1.684536] gem 0001:04:0f.0 eth0: Sun
GEM (PCI) 10/100/1000BaseT Ethernet 00:0d:93:4c:f5:b0
...
Oct 11 10:38:37 g5 kernel: [   34.578556] gem 0001:04:0f.0 eth0: Found
BCM5421-K2 PHY
...
Oct 11 10:38:40 g5 kernel: [   36.994117] gem 0001:04:0f.0 eth0: Link
is up at 100 Mbps, half-duplex
Oct 11 10:38:40 g5 kernel: [   36.994246] gem 0001:04:0f.0 eth0: Pause
is disabled
...




$ lspci
0000:f0:0b.0 Host bridge: Apple Inc. U3H AGP Bridge
0000:f0:10.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RV360 [Radeon 9600/X1050 Series]
0001:00:00.0 Host bridge: Apple Inc. U3 HT Bridge
0001:00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] AMD-8131
PCI-X Bridge (rev 12)
0001:00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] AMD-8131
PCI-X Bridge (rev 12)
0001:00:03.0 PCI bridge: Apple Inc. K2 HT-PCI Bridge
0001:00:04.0 PCI bridge: Apple Inc. K2 HT-PCI Bridge
0001:00:05.0 PCI bridge: Apple Inc. K2 HT-PCI Bridge
0001:00:06.0 PCI bridge: Apple Inc. K2 HT-PCI Bridge
0001:00:07.0 PCI bridge: Apple Inc. K2 HT-PCI Bridge
0001:01:07.0 Unassigned class [ff00]: Apple Inc. K2 KeyLargo Mac/IO (rev 60)
0001:01:08.0 USB controller: Apple Inc. K2 KeyLargo USB
0001:01:09.0 USB controller: Apple Inc. K2 KeyLargo USB
0001:02:01.0 Network controller: Broadcom Corporation BCM4306
802.11b/g Wireless LAN Controller (rev 03)
0001:02:0b.0 USB controller: NEC Corporation OHCI USB Controller (rev 43)
0001:02:0b.1 USB controller: NEC Corporation OHCI USB Controller (rev 43)
0001:02:0b.2 USB controller: NEC Corporation uPD72010x USB 2.0
Controller (rev 04)
0001:03:0d.0 Unassigned class [ff00]: Apple Inc. K2 ATA/100
0001:03:0e.0 FireWire (IEEE 1394): Apple Inc. K2 FireWire
0001:04:0f.0 Ethernet controller: Apple Inc. K2 GMAC (Sun GEM)
0001:05:0c.0 IDE interface: Broadcom K2 SATA
$ uname -a
Linux g5 3.16.0-4-powerpc64 #1 SMP Debian 3.16.36-1+deb8u1
(2016-09-03) ppc64 GNU/Linux
$ cat /proc/version
Linux version 3.16.0-4-powerpc64 (debian-kernel@lists.debian.org) (gcc
version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.36-1+deb8u1
(2016-09-03)
$


Any ideas?

regards,
chris

--- End Message ---
--- Begin Message --- 
Hi,

On Fri, Apr 30, 2021 at 02:50:19PM +0200, Salvatore Bonaccorso wrote:
> Control: tags -1 + moreinfo
> 
> On Mon, Aug 27, 2018 at 12:14:58PM +0100, Mark Cave-Ayland wrote:
> > On 27/08/18 10:39, Mathieu Malaterre wrote:
> > 
> > > Christian,
> > > 
> > > On Mon, Oct 17, 2016 at 9:32 AM Mathieu Malaterre <malat@debian.org> wrote:
> > >>
> > >> Hi,
> > >>
> > >> On Fri, Oct 14, 2016 at 4:45 PM, Thadeu Lima de Souza Cascardo
> > >> <cascardo@minaslivre.org> wrote:
> > >>> There is certainly a way to automate this, but my question on whether
> > >>> that sequence would fix the problem was intended to more easily fix a
> > >>> real bug in the driver.
> > >>>
> > >>> I can try to help fix the driver on my free time as a volunteer.
> > >>> Christian, would you be willing to test patches to the driver? That
> > >>> would require some back and forth between us and some patience of yours,
> > >>> as I would be doing it on my spare time, considering I have family and
> > >>> other projects I would like to attend to as well.
> > >>>
> > >>> I don't have a PPC Macbook of my own, but I used to fix Linux drivers on
> > >>> PPC64 for a living not too long ago.
> > >>
> > >> That's a good news ! Feel free to use the bug report #841044 to send
> > >> your patch (and/or updates).
> > > 
> > > Any update on the patch ?
> > > 
> > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=841044#30
> > 
> > FWIW QEMU now has sungem emulation which may help when trying to track
> > down overflow errors such as this.
> 
> Is this bug still relevant/present or can the bug be closed by now?

Actually think to close it for now, but feel free to reopen the bug if
this is still an issue which needs to be considered.

Regards,
Salvatore

--- End Message ---
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