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From: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: Jason Wang <jasowang@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"qemu-stable@nongnu.org" <qemu-stable@nongnu.org>,
	Herve Poussineau <hpoussin@reactos.org>,
	Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>,
	Laurent Vivier <laurent@vivier.eu>
Subject: Re: [PATCH 00/10] Fixes for DP8393X SONIC device emulation
Date: Sun, 15 Dec 2019 00:32:25 +0100	[thread overview]
Message-ID: <CAL1e-=hRs0EMz7ZTt+GXMfyHW8arq-h-m1Dzd3jz+vqP82+zjA@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.21.1.1912150915460.8@nippy.intranet>

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On Sunday, December 15, 2019, Finn Thain <fthain@telegraphics.com.au> wrote:

> On Sat, 14 Dec 2019, Aleksandar Markovic wrote:
>
> > On Saturday, December 14, 2019, Finn Thain <fthain@telegraphics.com.au>
> > wrote:
> >
> > > Hi All,
> > >
> > > There is a bug in the DP8393X emulation that can stop packet reception.
> > >
> > >
> > Can you provide the details of your test scenario?
> >
> > Thanks,
> > Aleksandar
> >
>
> I test the qemu build like this,
>
> qemu-system-m68k -M q800 -m 512M -serial none -serial mon:stdio -g
> 800x600x4
> -net nic,model=dp83932,addr=00:00:00:01:02:03
> -net bridge,helper=/opt/qemu/libexec/qemu-bridge-helper,br=br0
> -append "fbcon=font:ProFont6x11 console=tty0 console=ttyS0 ignore_loglevel"
> -kernel vmlinux-4.14.157-mac-backport+
> -initrd /mnt/loop/install/cdrom/initrd.gz
>
> You can obtain this kernel binary from the linux-mac68k project on
> sourceforge. (I usually use a mainline Linux build but it makes no
> difference.)
>
> I normally use a disk image with Debian/m68k SID rootfs but in this
> example I've used the initrd that you can find on the Debian/m68k
> installer ISO.
>
> Once the guest starts, switch to a different virtual console and bring up
> the SONIC:
>
> <ctrl>-<a> <ctrl>-<a> <2>
> # ip addr add dev eth0 192.168.65.2/24
> # ip link set dev eth0 up
>
> On the host, send a ping flood (with preload) to the guest:
>
> # ifconfig br0 192.168.65.1/24
> # ping 192.168.65.2 -f -l 20
>
> The packet reception ("deaf sonic") issue is reproduced immediately.
>
> This has been observed in both qemu-m68k and mainline qemu. See also,
> https://github.com/vivier/qemu-m68k/commit/0a45280c9fa40da8d5f30b1bb3d051
> 3db91c3909
>
>
Finn,

I appreciate your detailed response!

Aleksandar

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  reply	other threads:[~2019-12-14 23:33 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-14  1:25 [PATCH 00/10] Fixes for DP8393X SONIC device emulation Finn Thain
2019-12-14  1:25 ` [PATCH 08/10] dp8393x: Implement packet size limit and RBAE interrupt Finn Thain
2019-12-14  1:25 ` [PATCH 09/10] dp8393x: Don't stop reception upon RBE interrupt assertion Finn Thain
2019-12-14  1:25 ` [PATCH 06/10] dp8393x: Clear RRRA command register bit only when appropriate Finn Thain
2019-12-14 13:31   ` Philippe Mathieu-Daudé
2019-12-14  1:25 ` [PATCH 02/10] dp8393x: Clean up endianness hacks Finn Thain
2019-12-14  1:25 ` [PATCH 05/10] dp8393x: Update LLFA register Finn Thain
2019-12-14  1:25 ` [PATCH 10/10] dp8393x: Don't clobber packet checksum Finn Thain
2019-12-14 13:21   ` Philippe Mathieu-Daudé
2019-12-14  1:25 ` [PATCH 07/10] dp8393x: Implement TBWC0 and TBWC1 registers to restore buffer state Finn Thain
2019-12-14  1:25 ` [PATCH 01/10] dp8393x: Mask EOL bit from descriptor addresses Finn Thain
2019-12-14 13:35   ` Philippe Mathieu-Daudé
2019-12-14 23:21     ` Finn Thain
2019-12-14  1:25 ` [PATCH 04/10] dp8393x: Don't advance RX descriptor twice Finn Thain
2019-12-14  1:25 ` [PATCH 03/10] dp8393x: Have dp8393x_receive() return the packet size Finn Thain
2019-12-14 13:26   ` Philippe Mathieu-Daudé
2019-12-14  1:43 ` [PATCH 00/10] Fixes for DP8393X SONIC device emulation no-reply
2019-12-14  2:52   ` Finn Thain
2019-12-14 13:38     ` Philippe Mathieu-Daudé
2019-12-14 13:45       ` Eric Blake
2019-12-14 17:17 ` Aleksandar Markovic
2019-12-14 23:16   ` Finn Thain
2019-12-14 23:32     ` Aleksandar Markovic [this message]
2019-12-14 23:35       ` Aleksandar Markovic
2019-12-20  4:24         ` Finn Thain
2019-12-23 17:17           ` Philippe Mathieu-Daudé
2019-12-24  0:12             ` NetBSD/arc on MIPS Magnum, was " Finn Thain
2019-12-24  4:33               ` Finn Thain
2019-12-24  6:53                 ` Hervé Poussineau
2020-01-06 22:15                   ` Finn Thain
2019-12-16  0:36     ` Finn Thain
2019-12-20  4:21       ` Finn Thain
2019-12-20 11:38 ` Aleksandar Markovic
2019-12-20 12:03   ` Aleksandar Markovic
2019-12-20 12:54   ` Laurent Vivier
2019-12-20 23:22     ` Finn Thain
2019-12-21 12:03       ` Aleksandar Markovic

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