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* Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> wrote: > The problem looks very similar to the one recently reported by Anders: > > http://lkml.org/lkml/2008/2/22/239 > > "Trying out 2.6.25-rc2 smartd always causes my box to hang. I can > switch vt:s and the keyboard seems to work. > > Using sysrq-e I noticed a callpath open -> ext3 -> journals -> > sync_buffer -> io_scheduel -> generic_unplig_device. I'd guess the > open stems from smartd. Removing smartd from the startup, I'm now > using rc2 fine..." > > Initially we thought that it is an IDE regression but after some > testing and further investigation it seems that IDE changes just made > it more likely to occur (yesterday it turned out that the kernel with > the "guilty" IDE commit sometimes boots fine). The issue is easily > reproducible. > > PS We've already verified that it is not PREEMPT related or a compiler > bug. smartd is not active here though - and starting/restarting it doesnt provoke a hang. Ingo | ||||||||||||
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