Ok, since net_dev_init() is called from genhd.c:53, I figured it'd work just fine if I removed it from net/core/dev.c in register_netdev(). Since I'm not as well steeped in this code, those who know better are invited to correct me. --- linux-2.4.6.orig/net/core/dev.c Sat Jul 14 17:48:57 2001 +++ linux-2.4.6/net/core/dev.c Wed Jun 20 21:00:55 2001 @@ -2405,6 +2401,9 @@ #ifdef CONFIG_NET_FASTROUTE dev->fastpath_lock=RW_LOCK_UNLOCKED; #endif - - if (dev_boot_phase) - net_dev_init(); #ifdef CONFIG_NET_DIVERT ret = alloc_divert_blk(dev); David David Ford wrote: > Ok, the problem is this. I have TEQL packet scheduling in my config, > the kernel runs through this sequence on boot: > > net_dev_init() > pktsched_init() > teql_init() [starts a lock with rtnl_lock()] > register_netdevice() > net_dev_init() > pktsched_init() > teql_init() [hangs here...] > > Here is the problem. We enter teql_init() again with a rtnl_lock() > already being held. Do any of the authors of these functions want to > jump in here? > > David > > David Ford wrote: > >> [...] >> I2O LAN OSM (C) 1999 University of Helsinki. >> early initialization of device teql0 is deferred >> loop: loaded (max 8 devices) >> Linux Tulip driver version 0.9.15-pre3 (June 1, 2001) >> PCI: Found IRQ 5 for device 00:10.0 >> >> Any comments or suggestions? 2.4.5-ac19 is the last kernel I have >> that works. >