Re: Can I boot without GPU ("headless")?
To "trondd" : It seems you have only read my last message and not the whole thread. If I simply type "boot" with my keyboard, it does not boot because I removed the graphics card and the CPU does not include a GPU. If I configure boot.conf to use com0 as its default console, I will not be able to type the password to decrypt the disk at boot, because I have COM pins at my motherboard but not the port itself nor the cables. It seems clear to me now that the only thing I can do is to buy the serial communications ports and cables for all the computers (it is a subtantial expense I was trying to avoid because I can hardly afford it). Thank you all for your help.
Re: Crashing 64bit (AMD) 6.7 kernel on APU2
Le 30/08/2020 à 07:33, Damian McGuckin a écrit : > > Hi, > > For the first time ever, we have seen a crashing kernel. Having never > experienced this before on any OpenBSD release for over 20 years, I > have no debugging experience. We have simply reverted to 32bit to see > it that is the issue. The system works flawlessly with 6.3 in 32 bit > mode but we thought we should update. > > This is on an APU2 with an AMD64 release. > > Has anybody seen the same problem? As said by our friends a context would be usefull: I'm running severals APU[2|3] with OpenBSD 6.7 without any problems. Please check that you have the lastest version of the coreboot firmware too. Sacha.
Re: Can I boot without GPU ("headless")?
On 31.8.20. 10:52, Henry W. Peterson wrote: If I simply type "boot" with my keyboard, it does not boot because I removed the graphics card and the CPU does not include a GPU. If I configure boot.conf to use com0 as its default console, I will not be able to type the password to decrypt the disk at boot, because I have COM pins at my motherboard but not the port itself nor the cables. It seems clear to me now that the only thing I can do is to buy the serial communications ports and cables for all the computers (it is a subtantial expense I was trying to avoid because I can hardly afford it). But wasn't the conclusion of this discussion that you can just buy one, connect it to computer only for booting, and then disconnect it and use on another one? Somebody mentioned serial ports not being "hot-plugable". This is not a concern here, as the serial port is built into chipset and remains there - you are just moving the connector. The connector/adapter you need is something like this: http://www.kelco.rs/katalog/detalji.php?ID=19753 , but as somebody else wrote, the pinout is only informally "standardized", so it is best to check it in advance. Alternatively, instead of buying it, you can find such bracket (usually with one DB-9 and one DB-25 port) on old (very old!) PCs. I found mine many years ago in some old 486 waiting to be recycled. Best regards, Z.
Re: Can I boot without GPU ("headless")?
On Mon, 31 Aug 2020 15:49:24 +0200, Zeljko Jovanovic wrote: > But wasn't the conclusion of this discussion that you can just buy > one, connect it to computer only for booting, and then disconnect > it and use on another one? He needs to be able to enter the encryption key at boot time. Opening up the case and temporarily installing the motherboard serial cable doesn't seem like a good solution. > Somebody mentioned serial ports not being "hot-plugable". This is > not a concern here, as the serial port is built into chipset and > remains there - you are just moving the connector. > > The connector/adapter you need is something like this: > http://www.kelco.rs/katalog/detalji.php?ID=19753 , but as somebody > else wrote, the pinout is only informally "standardized", so it is > best to check it in advance. You can also find these cheaply direct from china. I saw ones for $2.35US/each shipped at AliExpress, cheaper options probably exist. You do need to be mindful of the distance from the pins on the motherboard to the slot you are using, some of those cables are quite short. > Alternatively, instead of buying it, you can find such bracket > (usually with one DB-9 and one DB-25 port) on old (very old!) PCs. > I found mine many years ago in some old 486 waiting to be recycled. Yes, this was fairly common in pre-ATX machines. I have a few harvested from old machines before I recycled them. - todd
Re: Can I boot without GPU ("headless")?
>> But wasn't the conclusion of this discussion that you can just buy >> one, connect it to computer only for booting, and then disconnect >> it and use on another one? > >He needs to be able to enter the encryption key at boot time. >Opening up the case and temporarily installing the motherboard >serial cable doesn't seem like a good solution. This may or may not sound stupid, but wouldn't an USB security key perhaps work for this use case? No keyboard or serial port needed.