On Wed, Jan 26, 2005 at 05:49:31AM -0600, Colin Watson wrote: > On Wed, Jan 12, 2005 at 10:13:50AM -0500, Stephen Frost wrote: > > * [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: > > > You're welcome. Can you strace the grub process and see what's wrong > > > with it ? > > > For my installation, grub is pretty useless since I'm full LVM/DM. > > > > Not sure how useful this is, but... > > > > From dmesg: > > grub[15266]: segfault at 00000000555bcb30 rip 00000000555bcb30 rsp > > 00000000555bc9fc error 15 > > > > Attached is the strace output, I didn't see anything obvious in it. > > I had the exact same problem (on Ubuntu rather than Debian, but hey). > Debugging-by-printf revealed that grub segfaulted after calling > stage2/builtins.c:disk_read_savesect_func() through the disk_read_func > pointer in stage2/disk_io.c:rawread(); output from a printf before that > call was printed, while output from a printf at the beginning of the > disk_read_savesect_func() call was not printed. It *looks* like the text > of that function is corrupt in memory, although I'm not wholly convinced > that my debugging techniques were sound there because I'm having trouble > debugging a 32-bit binary.
I think this last sentence was indeed bogus. Anyway, I've narrowed down the introduction of the problem to somewhere between 2.6.9-bk1 and 2.6.9-bk2. Suggestions for changesets in there that could have broken grub would be gratefully appreciated. Cheers, -- Colin Watson [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
