Anton Vorontsov <cbouatmai...@gmail.com> wrote on 2010/11/12 15:09:47: > > On Fri, Nov 12, 2010 at 02:55:09PM +0100, Joakim Tjernlund wrote: > > This script: > > while [ 1==1 ] ; do ifconfig eth0 up; usleep 1950000 ;ifconfig eth0 down; > > dmesg -c ;done > > causes in just a second or two: > > INFO: task ifconfig:572 blocked for more than 120 seconds. > [...] > > The reason appears to be ucc_geth_stop meets adjust_link as the > > PHY reports PHY changes. I belive adjust_link hangs somewhere, > > holding the PHY lock, because ucc_geth_stop disabled the > > controller HW. > > Fix is to stop the PHY before disabling the controller. > > > > Signed-off-by: Joakim Tjernlund <joakim.tjernl...@transmode.se> > > It's unclear where exactly adjust_link() hangs, but the patch > looks as the right thing overall.
Yes, I too cannot find where it is hanging, just that it is hanging somewhere. I am starting to think it is hanging somewhere else. Anyhow, the hang goes away 100% when this patch is applied. Jocke _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
