On Sat, Jan 01, 2011 at 11:57:39PM +0000, Colin Watson wrote: >On Sat, Jan 01, 2011 at 06:35:52PM -0500, P. J. McDermott wrote: >> Considering the machines this is affecting (machines with the Poulsbo >> chipset) and the configuration workaround, I'd bet the issue lies in the >> video subsystem. So far, the changes in the video/ directory appear to >> be mostly code re-factoring, so I think my next step will be to add some >> debugging output to 20100702-1's kernel and see where GRUB hangs up or >> what isn't being done. Don't expect any miracles though, as this is my >> first time in the GRUB 2 code. ;) If anyone has any thoughts on what the >> problem might be or familiarity with the GRUB kernel's initialization of >> the video subsystem, that would be helpful. > >I think (with respect) that Vladimir was mistaken when he said that the >video changes in 20100702-1 only affected the EFI port. > >One effect of these changes was to load the video_cirrus and video_bochs >modules by default (you can test whether this is the culprit by >commenting them out in grub.cfg). I've seen a handful of systems that >hang while trying to enumerate the PCI bus in GRUB; it so happens that >those are the only modules that usually trigger GRUB's PCI bus >enumeration in normal circumstances ... > >You can also verify this at a lower level by trying 'lspci' at a GRUB >prompt. If it's the same problem, this will hang. > >Unfortunately, I haven't had my hands on an affected machine for more >than a day or so, and that was when I was under deadline pressure so a >workaround was the best I could manage. Steve, is your affected system >at home? Maybe I could visit at some point (for others on the bug, >we're in the same city) ...
Hi Colin, Yup, it is at the moment - Jo's around here for the next couple of days and it's her machine. If that works for you, then great. Or we can work something out - contact me in private... -- Steve McIntyre, Cambridge, UK. st...@einval.com "I've only once written 'SQL is my bitch' in a comment. But that code is in use on a military site..." -- Simon Booth -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org