users December 2022

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Re: Workflows
by Colin Parker 24 Dec '22

24 Dec '22

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Workflows
by Will Senn 23 Dec '22

23 Dec '22

Hi, I have been watching the genode project for quite a while now - seems like at least 10 years, if not more. I have tried it off and on, over the years, but until recently didn't really give it more than a quick run through. Now, I'm getting more interested. I've got a Thinkpad T430 and it seems to mostly work with Sculpt 22.10 running on a 32GB USB 3 drive. I have a few questions: 1. Is Wifi on the T430 supposed to work? I couldn't get it to do more than scanning. There are some teensy tiny error messages in the logs, so if it helps I could get out my magnifier and share them, but if there's a known issue, I figured y'all would know that without the specific error message. The wired connection works, so I'm ok with that as a fallback (but it makes it less mobile). 2. Persistence - what about persistence? I picked the ram-fs per the getting started document, but I would like to save SOME stuff- say bookmarks and source code, how do I do that? 3. I read that the genode folks use Sculpt as their daily drivers - so I'm guessing they don't boot from USB, build their environment up from scratch, add in firefox, terminal, whatever and so on, every day, just to start doing other productive things. Is there somewhere where typical workflows are described? Oh, and thanks for doing this - I like the modularity and exposed dependencies. Thanks, Will

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fec_nic_drv runtime error in Genode 22.11
by Pontus Åström 22 Dec '22

22 Dec '22

I upgraded genode-imx and genode to version 22.11 for my IMX project. As per the drivers.config example in genode-imx/recipes/raw/drivers_nic-imx8q_evk/drivers.config I added a new ROM service for the nic_drv.dtb as follows: <service name="ROM" label="nic_drv.dtb"><parent label="fec_nic_drv-imx8q_evk.dtb"/> My fec_nic config now looks like as follows: <start name="eth0_drv" caps="130" priority="0"> <binary name="fec_nic_drv" /> <resource name="RAM" quantum="20M"/> <resource name="CPU" quantum="30"/> <config verbose="yes" mode="uplink_client"/> } <route> <service name="CPU"><parent/></service> <service name="LOG"><parent/></service> <service name="PD"><parent/></service> <service name="RM"><parent/></service> <service name="ROM" label="nic_drv.dtb"> <parent label="fec_nic_drv-imx8q_evk.dtb"/> </service> <service name="ROM"><parent/></service> <service name="Uplink"> <child name="net0_router"/></service> <service name="Timer"> <child name="timer_drv"/></service> <service name="Platform"><child name="platform_drv"/></service> </route> </start> Now everything compiles successfully but I get a runtime setup error where the driver complains about an unavailable IO resource: [init -> eth0_drv] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [init -> eth0_drv] clocksource: dde_counter: mask: 0xffffffffffffff max_cycles: 0x1d854df40, max_idle_ns: 3526361616960 ns [init -> eth0_drv] sched_clock: 64 bits at 1000kHz, resolution 1000ns, wraps every 2199023255500ns [init -> eth0_drv] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [init -> eth0_drv] clocksource: Switched to clocksource dde_counter [init -> eth0_drv] mdio_bus: Fixed MDIO Bus: probed [init -> eth0_drv] Error: memory-mapped I/O resource 0x30be0000 (size=0x10000) unavailable What might be the cause of this error? Best regards, Pontus

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base-linux: LD: exception during program load
by Pirmin Duss 21 Dec '22

21 Dec '22

Hello Genodians While Testing the `wasmedge` application that I'm porting with the Goa tool (goa run), I get the following errors: ``` Error: _map_local: lx_mmap failed(addr_in=0x0, addr_out=0xffffffffffffffed/-19) overmap=0 Error: LD: exception during program load: 'Genode::Region_map::Region_conflict' Error: Uncaughht exception of type 'Genode::Region_map::Region_conflict' Warning: abort called - thread: ep ``` I tried to follow the path that leads to this by adding some debug prints to the code in base-linux. If I'm not mistaken, the error happens, when in `load_phdr()` in the file `base/src/lib/ldso/include/file.h` a temporary dataspace is created. The binary compiled for x86_64 is 312K in size. Has somebody an idea what could be going wrong? Best regards, Pirmin

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Announcement: Sculpt OS 22.10 released
by Norman Feske 20 Dec '22

20 Dec '22

Hello everyone, I'm happy to announce today's release of the Genode-based Sculpt operating system version 22.10. https://genode.org/news/sculpt-os-release-22.10 At the surface, this version is a maintenance release with almost no visible changes. Under the hood, however, we poured immense efforts into the lowest-level parts of the driver infrastructure like the discovery and management of PCI resources and the hotplugging of USB devices. Those low-level architectural changes left almost no driver unturned. We thoroughly tested Sculpt on our team's arsenal of machines. Please let us know how it works on your's. Besides the driver-related changes, seasoned Sculpt users might notice performance improvements in several areas, ranging from faster system startup, over increased network throughput, to improved GUI responsiveness. The release is accompanied by up-to-date packages. For example, you can find - An updated Chromium engine in the form of the Falkon and Morph web browsers in cproc's depot, - An updated audio driver based on OpenBSD 7.1 in genodelabs' depot, - Performance and battery monitoring tools in alex-ab's depot. As a starting point, please find a ready-to-use disk image at the Sculpt download page: https://genode.org/download/sculpt The matching documentation for using Sculpt or building it at home is available at: https://genode.org/documentation/articles/sculpt-22-10 https://genode.org/documentation/sculpt-22-10.pdf I hope you'll enjoy the new version! Norman -- Dr.-Ing. Norman Feske Genode Labs https://www.genode-labs.com · https://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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Compiling toolchain on void
by Sagar Acharya 13 Dec '22

13 Dec '22

On voidlinux, packaged ncurses doesn't have non-UTF version It has ncursesw accroding to the devs there. $pkg-config --exists ncurses && echo foo $ Above command doesn't print foo. Replacing ncurses with ncursesw does. Will I face future issues building toolchain with this? Thanking you Sagar Acharya https://designman.org

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