On Tue, Sep 18, 2007 at 03:27:27AM -0700, Andrew Morton wrote: > On Tue, 18 Sep 2007 13:17:28 +0400 Alexey Dobriyan <[EMAIL PROTECTED]> wrote: > > > I'm getting tons of this, and X fails to start > > > > CONFIG_SYSVIPC=y > > CONFIG_SYSVIPC_SYSCTL=y > > # CONFIG_PREEMPT_NONE is not set > > # CONFIG_PREEMPT_VOLUNTARY is not set > > CONFIG_PREEMPT=y > > CONFIG_PREEMPT_BKL=y > > CONFIG_DEBUG_PREEMPT=y > > > > BUG: sleeping function called from invalid context at kernel/rwsem.c:47 > > in_atomic():1, irqs_disabled():0 > > OK, this fixes the locking here:
Ditto. Thanks! [puts mental note to read IPC patches] > --- a/ipc/util.c~ipc-integrate-ipc_checkid-into-ipc_lock-fix-2 > +++ a/ipc/util.c > @@ -295,7 +295,6 @@ int ipc_addid(struct ipc_ids* ids, struc > > spin_lock_init(&new->lock); > new->deleted = 0; > - rcu_read_lock(); > spin_lock(&new->lock); > return id; > } > @@ -691,7 +690,7 @@ struct kern_ipc_perm *ipc_lock(struct ip > rcu_read_unlock(); > return ERR_PTR(-EINVAL); > } > - > + rcu_read_unlock(); > return out; > } - 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/
