Hello,
I have tried to call usleep() function from seL4 'main' thread and it crashes
the system with error:
Caught cap fault in send phase at address 0x0
while trying to handle:
vm fault on code at address 0x200 with status 0x8206
in thread 0xff807bfe2200 "rootserver" at address 0x200
With s
Hello,
My platform is ARM (zynqmp), seL4 v8. I have created a timer in simple initial
thread:
int err;
seL4_timer_t timer;
vka_object_t ntfn_object;
ntfn_object.cptr = 0;
err = vka_alloc_notification(&_env.vka, &ntfn_object);
assert(err == 0);
err = sel4platsuppo
Hi Anna,
I have found the problem - SP for a newly created thread was wrong.
Thanks you,
Leonid
From: anna.ly...@data61.csiro.au
Sent: Tuesday, August 7, 2018 7:39 PM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: Re: sel4 thread creation problem
Hi Leonid,
It looks like you haven&#
_get_cnode_size_bits(&penv->simple).words[0]);
+ error = seL4_TCB_Configure(tcb_object.cptr, , seL4_NilData, cspace_cap,
guard, pd_cap, seL4_NilData, ipc_buffer, ipc_page);
Cheers,
Anna.
From: Devel mailto:devel-bounces@sel4.systems>> on
b
Hello,
Is there any way to define untyped size while creating process using library
functions?
process_config_default_simple(simple_t *simple, const char *image_name, uint8_t
prio)
sel4utils_configure_process_custom(sel4utils_process_t *process, vka_t *vka,
vspace_t *spawner_vspace, sel4utils_
;
config.num_reservations = num_reservations;
return config;
}
Thank you,
Leonid
From: anna.ly...@data61.csiro.au
Sent: Wednesday, August 15, 2018 8:37 PM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: Re: create process in seL4
Hi Leonid,
I don't understand your first question, which untype
Hello,
I have tried to build sel4test following 'running SEL4' instruction.
It was successful for x86 platform, but when I try to build it for 'zyncmp'
I've got an error:
gcc: error: unrecognized command line option '-marm'; did you mean '-mabm'?
gcc: error: unrecognized command line option '-m
Hi Chris,
I have downloaded http-server example for imx6 (I am working on zynqmp), just
to use it as a reference to see how did you implement a synchronization
functions, but I didn’t find these function to be implemented. Is this example
not complete?
Thanks you,
Leonid
From: Devel On Beha
Hello,
Is there any way in seL4 (library function?) to check free heap memory?
Thank you,
Leonid
This message and all attachments are PRIVATE, and contain information that is
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son
> wrote:
>
> Signed PGP part
> At 2019-04-17T12:21:41+, Leonid Meyerovich wrote:
>> Is there any way in seL4 (library function?) to check free heap memory?
>
> My understanding is that there is not, because the seL4 microkernel
> does not implement a memory manager.
Thank you, I’ll look into it.
From: Matthew Fernandez
Sent: Thursday, April 25, 2019 11:15 AM
To: Leonid Meyerovich
Cc: Heiser, Gernot (Data61, Kensington NSW) ;
devel@sel4.systems
Subject: Re: [seL4] seL4 process memory utilization
On 24 Apr 2019, at 07:20, Leonid Meyerovich
Hello Everybody,
Petalinux is running on VM on the one of the core of Xilinx Ultrascale+ (A53)
>From time to time I see Spurious Interrupt message from seL4 kernel
>(handleInterruptEntry)
<>
<>
<>
Could somebody explain why it may happen? How to debug it?
Thank you,
Leonid
__
Hello,
We are running seL4 microkernel on 4 cores Zynq UltraScale+ (zcu102 board). The
implementation includes multiple processes, hypervisor and virtual machine
running on dedicated core. After several hours running (it could be 2 or even 8
hours) the whole microkernel locks up. After some inv
ystem is also locked from time to
time but with lower rate.
Thank you,
Leonid
-Original Message-
From: Mcleod, Kent (Data61, Kensington NSW)
Sent: Wednesday, October 2, 2019 11:50 PM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: Re: [seL4] Zynq UltraScale+ locks up after hours ru
e messages from inside of ISR after getting time
interrupt (print interrupt counter once a second) and I don't see these
messages when the system locks up.
Thank you,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Thursday, October 3, 2019 2:44 AM
To: Le
of the another excerpt
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Thursday, October 3, 2019 2:44 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: Re: [seL4] Zynq UltraScale+ locks up after hours running
Hi Leonid,
Could you provide a bit more about your softwa
I forgot to mention: my board is zcu102, 4 cores A53
-Original Message-
From: Devel On Behalf Of Leonid Meyerovich
Sent: Thursday, October 3, 2019 2:40 PM
To: Shen, Yanyan (Data61, Kensington NSW) ;
devel@sel4.systems
Subject: Re: [seL4] Zynq UltraScale+ locks up after hours running
Hi
Thank you, Chris.
Now I understand. I was confused, because in
kernel/include/plat/zynqmp/plat/machine.h these interrupts are commented out
Leonid
-Original Message-
From: Chris Guikema
Sent: Thursday, October 3, 2019 3:44 PM
To: Leonid Meyerovich ; Shen, Yanyan (Data61, Kensington
8:16 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up after hours running
Hi Leonid,
What do you mean by "hypervisor on core 0"? Do you mean the VMM? I assume you
create a VMM for each VM running, and also pin the VMMs on the corresponding
p
sec) to R5
(openAmp).
VMM is running on core 0 and VMs are running on core 1 and 2.
Thanks,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Friday, October 4, 2019 8:58 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up a
Hi Yanyan,
The interrupts is disabled in kernel mode, is there any circumstances that it
will not be enabled before returning to userland?
Thanks,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Friday, October 4, 2019 8:58 AM
To: Leonid Meyerovich ; devel
2019 9:49 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up after hours running
Hi Leonid,
It looks like the seL4 v8.0.0 does not include Armv8 virtualization extension
support yet ...
So basically you wrote the VMM based on the libsel4armvmm?
I am
interrupt and
communicate with each other.
Thanks,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Friday, October 4, 2019 9:57 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up after hours running
HI Leonid,
You mean
Hi Yanyan,
It would explain everything.
How to proof/disprove it?
Thanks,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Friday, October 4, 2019 10:11 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up after hours
counter to estimate the time waiting for big lock.
Thanks,
Leonid
-Original Message-
From: Shen, Yanyan (Data61, Kensington NSW)
Sent: Friday, October 4, 2019 10:35 AM
To: Leonid Meyerovich ; devel@sel4.systems
Subject: RE: [seL4] Zynq UltraScale+ locks up after hours running
Hi Leonid,
It
Meyerovich ; devel@sel4.systems
Subject: Re: [seL4] Zynq UltraScale+ locks up after hours running
Hi Leonid,
Yes I mean CPU cycle counters.
Regards,
Yanyan
From: Leonid Meyerovich mailto:lmeyerov...@i-a-i.com>>
Sent: Friday, October 4, 2019 11:00:31 PM
To
Hello,
Where can I find a comprehensive description of fault message registers for
every of the following faults
enum seL4_Fault_tag {
seL4_Fault_NullFault = 0,
seL4_Fault_CapFault = 1,
seL4_Fault_UnknownSyscall = 2,
seL4_Fault_UserException = 3,
seL4_Fault_VMFault = 5,
se
ttps://github.com/seL4/seL4/blob/master/include/arch/arm/arch/64/mode/machine/registerset.h#L177
> https://github.com/seL4/seL4/blob/master/src/arch/arm/api/faults.c#L33
>
> - Alwin
>
> --
> *From:* Leonid Meyerovich
> *Sent:* Tuesday, January
My root task (root thread created by kernel) checks for fault from the
other threads, which are created in root thread with badged fault_ep
seL4_Word badge;
seL4_MessageInfo_t messageInfo = seL4_NBRecv(init_objects.fault_cap,
&badge);
if (seL4_MessageInfo_get_label(messageInfo) != seL4
I assume that the code segment of the root task starts
from __executable_start address. Does it point to ELF header? Or code
starts directly from this address?
Thank you,
___
Devel mailing list -- devel@sel4.systems
To unsubscribe send an email to devel-
I don't have any faults if I use seL4_Recv instead (in a separate thread).
It happens only if I use seL4_NBRecv and check the tag after it returns.
I use AARCH64
On Wed, Jan 24, 2024 at 3:59 PM Alwin Joshy wrote:
> Which architecture are you on and are you using the hardware debug API? I
>
Thank you
On Thu, Jan 25, 2024 at 7:09 AM Indan Zupancic wrote:
> Hello Leonid,
>
> On 2024-01-24 21:16, Leonid Meyerovich wrote:
> > I don't have any faults if I use seL4_Recv instead (in a separate
> > thread).
> > It happens only if I use seL4_NBRecv and ch
I am working on fault processing.
When I am a fault I am calling
void sel4utils_print_fault_message(seL4_MessageInfo_t tag, const char
*thread_name) from sel4libsutils library
I have tested it for "page fault" condition and it works fine - I am
getting seL4_Fault_VMFault fault type
But in certain
Just some addition: I have found function
seL4_Fault_VCPUFault_get_HSR(seL4_Fault_t seL4_Fault)
It gives me the value of HSR register, but how can I get fault address and
some other (if exist) information?
Thanks,
-- Forwarded message -
From: Leonid Meyerovich
Date: Fri, Jan 26
It gives me the value of HSR register, but how can I get fault address and
some other (if exist) information?
Thanks,
-- Forwarded message -
From: Leonid Meyerovich
Date: Fri, Jan 26, 2024 at 11:35 AM
Subject: fault processing
To:
I am working on fault processing.
When I am a
Hello,
I have a seL4 project that creates a number of processes with multiple
threads. An application works fine. Every process periodically calculates
the checksum of the executable segment and the system (Monitor process)
keeps track that these values should be the same over the time.
Some time
Physical address: 0x0
Size in file: 0 bytes
Size in memory: 0 bytes
Alignment: 16
On Wed, Feb 7, 2024 at 9:24 AM Indan Zupancic wrote:
> Hello Leonid,
>
> On 2024-02-06 19:48, Leonid Meyerovich wrote:
> > Some time when I change (add) some code in amu process I have an
nid,
>
> On 2024-02-07 18:15, Leonid Meyerovich wrote:
> > Using readelf helps, but I think there is some difference between
> > running readelf on the file and
> > parsing elf header in the memory (because my root process is already
> > in the memory)
> > As you can
Thank you Indan.
On Thu, Feb 8, 2024 at 7:47 AM Indan Zupancic wrote:
> Hello Leonid,
>
> On 2024-02-07 20:19, Leonid Meyerovich wrote:
> > Yes I see all my other tasks have different flags for segment 0 - RE,
> > Startup flag is RWI
> > Is there any document tha
Hello,
I run sel4test on the aarch64 platform.
My CACHEFLUSH0001 test in sel4test failed
/* Clean makes data observable to non-cached page */
*ptr = 0xC0FFEE;
*ptrc = 0xDEADBEEF;
test_assert(*ptr == 0xC0FFEE);
test_assert(*ptrc == 0xDEADBEEF);
I have tried to make to 'improve' memory/cache coh
M Indan Zupancic wrote:
> Hello Leonid,
>
> On 2024-03-28 20:18, Leonid Meyerovich wrote:
> > I run sel4test on the aarch64 platform.
>
> What CPU are you testing on?
>
> > My CACHEFLUSH0001 test in sel4test failed
> > /* Clean makes data observable to non
Hello,
I run my seL4 application on 4 core ARMv8.
Recently I have developed some more application code (I mention it because
file system size is increased an I believe it may change boot time) and
from time to time I observed that boot process failed (stuck after the
following print)
calling sch
t
see node_boot_lock changes and don't start initialization. I have removed
BOOT_BSS and it is booted properly now
Thanks,
Leonid
On Fri, May 3, 2024 at 8:13 AM Indan Zupancic wrote:
> Hello Leonid,
>
> On 2024-04-25 21:37, Leonid Meyerovich wrote:
> > I run my seL4 ap
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