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Chuck Ebbert wrote: > Using the patch below that you sent me, this message printed today on > my SMP system when terminating pppd: > > flush_to_ldisc - TTY_FLUSHING set, low_latency=0 > > And this bug is also in 2.6.17.4 - I forgot to reboot into 2.6.16.x > and the system locked up the same way 2.6.16 used to. That was made > even more fun by the 'SysRq broken on SMP' bug fixed by a pending > 2.6.17.7 patch... That confirms my thoughts on what went wrong: multiple copies of the queued work (flush_to_ldisc) running in parallel and corrupting the free buffer list. A cleaner fix for this is already in the 2.6.18 rc series. Thanks, Paul -- Paul Fulghum Microgate Systems, Ltd. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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