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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @whitequark @marcan42 @rqou_

      pain and sufferingpic.twitter.com/JFZDxbckqG

      2 replies 0 retweets 6 likes
    2. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @whitequark @rqou_

      I like 44. Program manufacturing information and 33. Erase non-volatile adapter storage. I bet some combination thereof will solve all the pesky crossflashing problems. I have both an IBM M5010 and a Dell PERC... wonder if I can completely rewrite the latter.

      1 reply 0 retweets 0 likes
    3. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @marcan42 @rqou_

      as far as I can tell building this for EFI and enabling expert mode should just naturally allow overriding all VID/PID checks

      1 reply 0 retweets 0 likes
    4. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @whitequark @rqou_

      ManufacturingPage2 seems to contain the first chunk of what I called the SBR. I wonder if that really is the SBR itself or some kind of mirror in NVRAM (which would explain the complaints from the other tools even after you write SBR).

      1 reply 0 retweets 1 like
    5. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      "44. Program manufacturing information" seems to write all that stuff. I wonder if it writes just NVRAM or also SBR.

      1 reply 0 retweets 0 likes
    6. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      Oh, and that magic byte that fixed half the ports on my Fujitsu board? It's called HardwareConfig. Surprise.

      1 reply 0 retweets 2 likes
    7. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      I'm really tempted to mess with the Dell adapter in my backup server now, see if I can convert it to vanilla firmware straight from Linux. Even though it's a 3 hour train ride away. YOLO, right? It's not used for the boot drives...

      1 reply 0 retweets 2 likes
    8. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      Also I bet this can be ported to run in "DOS/EFI" mode (raw access) under linux (with pcilib) to recover bricked adapters without the kernel driver being involved.

      1 reply 0 retweets 1 like
    9. whitequark‏ @whitequark 26 Mar 2018
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      Replying to @marcan42 @rqou_

      yup! To be honest I was surprised that it used the Linux driver, seems superfluous

      1 reply 0 retweets 0 likes
    10. Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @whitequark @rqou_

      You want to use the Linux driver when it's loaded (otherwise you're stepping on its toes; this thing is supposed to be usable on live systems) but it makes no sense not to offer the direct option as well.

      1 reply 0 retweets 1 like
      Hector Martin‏ @marcan42 26 Mar 2018
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      Replying to @marcan42 @whitequark @rqou_

      Soo. I just flashed my backup server's HBA (Dell H200E) with the vanilla 2118it.bin (LSI9211-8i P20 IT) firmware. Straight from Linux. Rebooted and it came right back up with all drives behind the MD1000. Still shows up as Dell (I didn't hack mfg info), but with vanilla FW. Neat.

      10:12 PM - 26 Mar 2018
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      • whitequark
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        1. New conversation
        1. Hector Martin‏ @marcan42 26 Mar 2018
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          Replying to @marcan42 @whitequark @rqou_

          So basically this doesn't solve MegaRAID (MR) -> MPT2SAS (IT/IR) crossflashing (MegaRAID is a whole different mode), but I think this tool will let you flash anything to anything as long as it's already in MPT2SAS mode. Cool.

          2 replies 0 retweets 1 like
        2. Hector Martin‏ @marcan42 26 Mar 2018
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          Replying to @marcan42 @whitequark @rqou_

          Looking at page dumps, the new firmware did change ManufacturingPage2 (IDs) but not ManufacturingPage0 (board name). The latter can probably be written manually. However, the card still IDs as a Dell, which suggests the SBR (copy of Page2 data) remains. I should RE megarec...

          0 replies 0 retweets 1 like
          3. End of conversation

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