[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1191326
Title:
QNX 4 doesn
The QEMU project is currently considering to move its bug tracking to
another system. For this we need to know which bugs are still valid
and which could be closed already. Thus we are setting older bugs to
"Incomplete" now.
If you still think this bug report here is valid, then please switch
the
qemu git master has a prebuilt seabios with CONFIG_ATA_DMA=y now.
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Title:
QNX 4 doesn't boot on qemu >= 1.3
Status in QEMU:
Confirmed
Bug de
It turns out modifying code is not needed at all. The only thing that is
needed is to configure SeaBIOS with CONFIG_ATA_DMA=y.
So the steps needed to make QNX 4 work on current QEMU are
1. Download SeaBIOS source and make sure the configuration has CONFIG_ATA_DMA=y
set
2. Build SeaBIOS
3. Run qem
@Christiat: thank you so much, you are right! I put together a quick
hack[1] to seabios to forcefully enable bus master bit on ata device and
QNX booted!
[1] I just added an unconditional call to the pci_enable_busmaster(pci);
to the init_pciata() function in ata.c
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Hi,
I had the same problem, and maybe it can help. I wrote my own toy OS
with a PATA / IDE driver back in 2012 using older version of QEMU and
everything worked fine. These days, I tried that on a recent version
(2.5) and it failed with exactly the same behaviour - lots of zeros
being written duri
I wonder - would be a record using rr of any help? I can create record
for QEMU 1.2.0 where it works and on current QEMU.
Also, I did a bit of debugging myself around the DMA code as per comment
#3 it was introduced in a commit that changed some of the DMA. What I
did was that I added some debug p
This is still a problem with QEMU 2.11.
Note that the problem in #10 is unrelated to the issue (though GUI works
for with the the demo floppy). The problem mentioned in this bug is
related to a QNX that is already installed to a disk. Unfortunately the
QNX demo floppy that was once free and which
I've just tried to launch QNX 4.25 ISO bootdisk on qemu-system-x86_64 built
from current git.
QEMU screen is skewed (see on screenshot). I tried all different options in
-vga key - all the same.
** Attachment added: "qemu-qnx4.png"
https://bugs.launchpad.net/qemu/+bug/1191326/+attachment/499
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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Title:
QNX 4 doesn
Triaging old bug tickets ... can you still reproduce this problem with
the latest version of QEMU (currently v2.9.0)?
** Changed in: qemu
Status: New => Incomplete
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I am also experiencing this problem QNX 4.25 images that were created
under 1.0 no longer work when I've upgraded to 2.0 or 2.1 qemu.
The error message that I receive is the same. The problem is with the
virtual disk driver, it performs the initial boat loader, then when the
OS goes to load the f
KVM doesnt make any difference.
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https://bugs.launchpad.net/bugs/1191326
Title:
QNX 4 doesn't boot on qemu >= 1.3
Status in QEMU:
New
Bug description:
I am using virtual machi
On Linux hosts are you using KVM? Does it make any difference?
Is there a freely downloadable image that we can use for debugging?
Thanks,
Paolo
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Output from valgrind running latest qemu downloaded from git. Qemu crashed of
course.
If I can check something more, please let me know.
==29109== Memcheck, a memory error detector
==29109== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==29109== Using Valgrind-3.7.0 and LibVEX;
problem appeared in this commit:
commit b90600eed3c0efe5f3260853c873caf51c0677b1
Author: Avi Kivity
Date: Wed Oct 3 16:42:37 2012 +0200
dma: make dma access its own address space
Instead of accessing the cpu address space, use an address space
configured by the caller.
Please use git-bisect to find out which change between 1.2.0 and 1.3.0
broke things for you.
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Title:
QNX 4 doesn't boot on qemu >= 1.3
Status i
with qemu 1.6 is even worse - qemu crash every time when QNX detects
hard disk
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Title:
QNX 4 doesn't boot on qemu >= 1.3
Status in QEMU:
New
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