On Fri, 12 Aug 2005 12:07:21 +1000 Neil Brown <[EMAIL PROTECTED]> wrote:
> On Thursday August 11, [EMAIL PROTECTED] wrote: > > Hi, > > > > I posted an oops a few days ago from 2.6.12.3 [1]. Here are the results > > of my tests on 2.6.13-rc6. The kernel oopses, but it the box isn't > > completely > > hosed; I can still log in and move around. It appears that the only things > > that are > > locked are the apps that were doing i/o to the test partition. More > > detailed info > > about my configuration can be found here: > > > > <http://www.icglink.com/debug-2.6.13-rc6.html> > > You don't seem to give details on how lvm is used to combine the md > arrays, though I'm not sure that would help particularly. > FYI: vgdisplay -v vg1 Using volume group(s) on command line Finding volume group "vg1" --- Volume group --- VG Name vg1 System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 8 VG Access read/write VG Status resizable MAX LV 255 Cur LV 1 Open LV 0 Max PV 255 Cur PV 2 Act PV 2 VG Size 410.00 GB PE Size 128.00 MB Total PE 3280 Alloc PE / Size 1093 / 136.62 GB Free PE / Size 2187 / 273.38 GB VG UUID XuRomW-O6Uw-oQGq-vdwD-YwMT-Dltj-NExFmV --- Logical volume --- LV Name /dev/vg1/home VG Name vg1 LV UUID K7Gq9l-Vjte-ksFt-s0vn-ejqT-RGYc-5Aibtx LV Write Access read/write LV Status available # open 0 LV Size 136.62 GB Current LE 1093 Segments 1 Allocation inherit Read ahead sectors 0 Block device 253:3 --- Physical volumes --- PV Name /dev/md4 PV UUID VgHU6k-lZmE-j686-dvfX-OSsM-yh28-Jyfidn PV Status allocatable Total PE / Free PE 1093 / 0 PV Name /dev/md7 PV UUID n4rVmy-rARO-a5mY-Iiqo-GvOx-2nbG-HluaTa PV Status allocatable Total PE / Free PE 2187 / 2187 md7 is in there to test live migration from smaller disks to larger ones. > > struct bio_vec *from; > int i; > bio_for_each_segment(from, bio, i) > BUG_ON(page_zone(from->bv_page)==NULL); > > in generic_make_requst in drivers/block/ll_rw_blk.c, just before > the call to q->make_request_fn. > This might trigger the bug early enough to see what is happening. I'll try this and report the results. -- Phil Dier <[EMAIL PROTECTED]> /* vim:set ts=8 sw=8 nocindent noai: */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
