On Wed, 22 Oct 2008 15:43:05 -0400 Marc Bejarano <beej@xxxxxxxxxxxx> wrote: > At 18:52 10/21/2008, Andrew Morton wrote: > >On Tue, 21 Oct 2008 11:36:12 -0700 (PDT) > >bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > >> http://bugzilla.kernel.org/show_bug.cgi?id=11800 > >> > >> Summary: building SES support fails w/ gcc-3.4.5 > >> Product: SCSI Drivers > >> Version: 2.5 > >> KernelVersion: 2.6.27.1 > >> Platform: All > >> OS/Version: Linux > >> Tree: Mainline > >> Status: NEW > >> Severity: normal > >> Priority: P1 > >> Component: Other > >> AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx > >> ReportedBy: bugzilla.kernel.org@xxxxxxxx > >> > >> > >> [beej@dell ~]$ cat /etc/redhat-release > >> CentOS release 4.3 (Final) > >> [beej@dell ~]$ rpm -qf `which gcc` > >> gcc-3.4.5-2 > >> [beej@dell linux-2.6.27.1]$ diff .config .config.old > >> 4c4 > >> < # Tue Oct 21 14:07:00 2008 > >> --- > >> > # Thu Oct 16 17:54:42 2008 > >> 1006c1006 > >> < # CONFIG_SCSI_ENCLOSURE is not set > >> --- > >> > CONFIG_SCSI_ENCLOSURE=m > >> > >> using .config.old, > >> [beej@dell linux-2.6.27.1]$ make > >> <snip> > >> Kernel: arch/x86/boot/bzImage is ready (#2) > >> Building modules, stage 2. > >> MODPOST 668 modules > >> ERROR: "__you_cannot_kmalloc_that_much" [drivers/scsi/ses.ko] undefined! > >> make[1]: *** [__modpost] Error 1 > >> make: *** [modules] Error 2 > >> > > > >That's weird. It means that we did a kmalloc(N, ...) where the value > >of N is known at compile time, and N is too large. > > > >But I can find no such kmalloc/kzalloc calls in ses.c. It might be gcc > >bustage - we've seen that before. > > > >Please do > > > > make drivers/scsi/ses.s > > > >then have a look in drivers/scsi/ses.s and see which function is > >emitting a call to __you_cannot_kmalloc_that_much. Or email me > >drivers/scsi/ses.s and I'll take a look. > > attached > OK, it's here: buf = kmalloc(vpd_len, GFP_KERNEL); it's a gcc bug. Please see if you can find some way to make it go away - perhaps change vpd_len's type to `int', things like that. Or use a different compiler version :( -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
