On Tue, Mar 30, 2021 at 2:43 PM K, Narendra <narendr...@dell.com> wrote: > > On Fri, Jan 22, 2021 at 3:41 PM Limonciello, Mario > > <mario.limoncie...@dell.com> wrote: > > > > > > > > > > > Hello Dell folks, I'm Guilherme Piccoli from Canonical - first of > > > > all, apologies for the out-of-nowhere communication. We've been > > > > investigating an issue that seems to date long time ago, and > > > > eventually we could narrow it to what appears to be a Dell BIOS bug. > > > > Notice I'm also looping a kernel x86 ML and grub-devel, just for the > > > > purpose of archiving such discussion in public lists, to help others > > > > that may find such an issue in the future. > > > > > > > > Since I don't have contacts of Dell representatives, I've just > > > > raised a list of people from Dell contributing to kernel in the last > > > > 2 years - maybe one of you could point me towards the path of a > > > > proper contact/channel to discuss such an issue. If not, I'm sorry for > > > > the > > noise. > > > > Let me detail the problem we're observing - notice all of this is > > > > about legacy BIOS mode, not UEFI. > > > > > > Most of the guys you CC'ed from Dell work on client related things, > > > not servers. So I'll move some of the client guys off of this thread > > > into BCC. > > > @K, Narendra can you please raise this with the appropriate team? > > > > > > > Thanks Mario and K, Narendra - do we have any news about that? > > Cheers, > > Hi Guilherme, > > Sorry for the delay in responding. >
No problem Narendra K, thanks for your response! > I checked with the team about the findings shared in this thread. Please find > the details - > > The behavior seems to be working as designed. Legacy BIOS Option ROM > implements logical block addressing support only up to 2TB. > The option ROM will respond with 2TB as the size when queried by INT13h > function 48h. For booting from volumes > 2TB, UEFI is needed. So, just confirming, Dell doesn't support > 2TB offsets even using the extended 64-bit offset from service 48h? I just want to confirm that is a support limitation from Dell, I've tested another vendor and that works in their machine, I could address > 2TB devices. In case this is unsupported by Dell, do you have an official documentation I can refer, to our customer? Thanks again, Guilherme _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel