| hunter0one | o/ | 15:38 |
|---|---|---|
| plasma41 | rrq: I just came across your patch 0020-fix-cdrom-on-uefi.patch in src:syslinux and the associated Debian bug https://bugs.debian.org/1051445. | 21:27 |
| plasma41 | rrq: By complete happenstance, about a week ago I happened to have read these two blogposts, https://mjg59.dreamwidth.org/4957.html and https://mjg59.dreamwidth.org/11285.html, that may contain useful background information. I wanted to make sure you were aware of them. | 21:27 |
| rrq | summary? | 21:27 |
| mason | plasma41: interesting, thanks | 21:31 |
| rrq | thanks. gritty stuff :) | 21:31 |
| rrq | .. still that fud that efi requires gpt; but dos is fine for uefi | 21:32 |
| mason | EFI doesn't strictly require GPT, but it's the common case certainly. | 21:32 |
| rrq | good blogs for details; I may have sailed past the first one.. | 21:36 |
| plasma41 | If I understand correctly (big if), the sector size translation your patch introduces may be counter to the intent of the existing janky hacks decribed in those posts. The entire isohybrid format appears to be a precarious balance of a chimeric polyglot of formats and your patch may (again I'm not claiming expertise) not be accounting for some esoteric detail. | 21:36 |
| mason | I like that description of it. | 21:37 |
| mason | Once I'm free of work today I plan to muck with the image I failed to boot yesterday or the day before or whenever it was. | 21:38 |
| rrq | well the problem was at actual drive access; that boot loading loaded bloacks of Nx512 sectors of data, while the drive actually allows for loading Mx2048 byte blocks | 21:41 |
| plasma41 | rrq: The one, largely insignificant, detail I'm more confident about is that I think you meant to refer to 512 byte sectors rather than 256 byte sectors in your patch description and initial bug report email. | 21:41 |
| rrq | starting at a common partition byte addres P | 21:42 |
| rrq | probably right; but debian hasn't picked up the pacth anyhow and upstream is equally interested | 21:43 |
| rrq | needs devuan's syslinux to handle UEFI + cdri case | 21:44 |
| rrq | cdrom | 21:44 |
| plasma41 | Paragraph N-3 of https://mjg59.dreamwidth.org/4957.html was where I thought there might have been some conflict with your patch. I just wanted to verify whether or not that was the case. | 21:46 |
| rrq | I don't see the conflict .. (?) | 21:50 |
| rrq | fairly good description of the issue, but then the usse remains for uefi bios on access to the ESP, becasue the device driver is still a cdrom | 21:54 |
| rrq | while the logical device driver is FAT | 21:54 |
| plasma41 | rrq: In that case, there probably isn't one. I'm still reading and rereading till I feel confident in my understanding. | 21:56 |
| rrq | yeah, I think reading that blog when I tracked the problem. | 21:59 |
| rrq | the problem is that the ESP in a CD is still virtual, so the physical device access remain being CD | 22:00 |
| rrq | even though the ESP is FAT | 22:00 |
| rrq | i.e. the byte address for the ESP is derived accessing the CD | 22:02 |
| plasma41 | gotcha | 22:03 |
| rrq | then relative sector addressing into the ESP is attempted using FAT | 22:05 |
| rrq | sectors | 22:05 |
| rrq | byt the fysical drive offers CD sectors | 22:05 |
| plasma41 | I think I'm following now. | 22:06 |
| rrq | that's where I managed to insert the translation for syslinux | 22:06 |
| rrq | so FAT sector 9 is a snippet of CD sector 2 | 22:07 |
| rrq | or what the math says :) (still in hospital here) | 22:08 |
| rrq | mapping relative first byte address 9*512 = 2*2048+512 | 22:10 |
| golinux | plasma41's language skill are awesome! | 22:11 |
| plasma41 | Oh, apologies for interrupting a hospital stay with such trivialities. | 22:12 |
| mason | plasma41: I won't speak for rrq but if it were me the diversion would be lovely. | 22:12 |
| plasma41 | golinux: I had good English teachers | 22:12 |
| golinux | Yes. So did I in 4th grade especially. | 22:13 |
| mason | FWIW, I know "if it were me" is incorrect, but it still sounds better to my ear, so I stick with it. | 22:13 |
| plasma41 | mason: Is it not correct? I thought the rule was that singular verb forms get replaced with plural verb forms in hypotheticals. | 22:17 |
| mason | Hm. Digging deeper, evidently it's a matter of opinion. | 22:19 |
| mason | I lack the background to understand the arguments, honestly. Here's one: 'As others have said, no doubt the technically correct expression is "if it were I" because the verb is copulative. Some might argue that "me" is more common, and "I" is rather pedantic. However, if we go that direction one might also question the use of the subjunctive at all which is also verging on archaic.' | 22:20 |
| mason | I came into this not even realizing verbs had that kind of relationship. | 22:20 |
| mason | https://en.wikipedia.org/wiki/Copula_%28linguistics%29 | 22:21 |
| mason | All this from: https://english.stackexchange.com/questions/4724/which-is-correct-if-it-were-i-or-if-it-were-me | 22:21 |
| mason | Dunno. I just read a lot. | 22:21 |
| rrq | it's a bit iffy hotspotting point here at the top of central Hobart | 22:43 |
| rrq | (got the backlog fnly) | 22:44 |
| rrq | https://transfer.rrq.au/vHomVWvhqT/IMG_20240827_064533718.jpg | 22:58 |
| * rrq OT | 22:59 | |
| mason | That's a good view. | 23:01 |
| rrq | mt Wellington, at dawn | 23:02 |
| rrq | it has a real name too which I'm still trying the memorize | 23:06 |
| mason | Kunanyi? | 23:08 |
| rrq | yes! thanks. | 23:09 |
| * rrq afk | 23:09 | |
| Xenguy | Strange, my browser wants to d/l the JPG | 23:17 |
| fsmithred | yeah, mine did too, Xenguy | 23:17 |
| fsmithred | had to allow javascript | 23:18 |
| Xenguy | Hrm, tx | 23:18 |
| golinux | Opened as a file here | 23:18 |
| golinux | Looks very gloomy . . . | 23:19 |
| rrq | mmm thought you were a nature person(?) :) | 23:23 |
| rrq | I though it a massive scenario seeing the weather rolling in from South | 23:24 |
| rrq | it's late Winter just before sun up | 23:24 |
| rrq | (whihch comes from North btw) | 23:25 |
| onefang | View out my kitchen window is similar, only it's Mount Cootha (there's an apostrophe in that name somewhere). | 23:25 |
| onefang | Just checked, it would be similar if it wasn't for all that fog between me and the mountain. | 23:28 |
| rrq | :) | 23:29 |
| mason | On a mountain here too, but I'm surrounded by trees. I can't see the peak without a drone, from here. | 23:31 |
| golinux | I am more of a micro nature person up close and personal . . . like watching and talking to plants and bugs . . . | 23:32 |
| rrq | mmm that's apparently how I got this pneumonia ... re-potting some plants 2 weeks ago, without mask | 23:33 |
| onefang | Brisbane is very hilly. Mt Coot-tha (proper spelling this time) is the tallest mountain (which is why the TV masts are on it). So I'm living half way up the side of a hill. Lots of trees around, but I have a clear view through / over most of them to the mountain. Or I would have a clear view if all my windows where not frosted. | 23:34 |
| * golinux plays in the dirt all the time . . . | 23:35 | |
| onefang | Macro, micro, nano, and all nature in between for me. | 23:35 |
| golinux | rrq . . . did they actually track it down or just conjecture? | 23:37 |
| rrq | don't know if they can classify the bacteria from blood tests, so conjecture it is. and I think there's some distance between real dirt and potting mix as well. | 23:39 |
| golinux | Yes . . . I was just thinking that. I have so much nature outside, I don't mess much with it on the inside . . . | 23:40 |
| onefang | Playing in the dirt helps your immune system. My immune system is super, the dirt helps keep it well exercised. But we have strayed well off topic now. | 23:40 |
| fsmithred | you want the dirt in your gut, not in your lungs | 23:42 |
| onefang | I'm an asthmatic, lots of things I don't want in my lungs. | 23:42 |
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