I have been using nilfs as my rootfs for several weeks now and have been
experiencing random problems. X programs will be become unresponsive and top
will show that segctord is using ~50%hi (100% of one core).
I get thousands of traces in my syslog. Below is a sample:
Aug 11 17:00:59 gentoo klogd: BUG: scheduling while atomic:
segctord/1312/0xffffffff
Aug 11 17:00:59 gentoo klogd: Modules linked in:
Aug 11 17:00:59 gentoo klogd: Pid: 1312, comm: segctord Not tainted
2.6.31-rc5-git7 #1
Aug 11 17:00:59 gentoo klogd: Call Trace:
Aug 11 17:00:59 gentoo klogd: [<ffffffff813c9821>] ? thread_return+0x4af/0x6ee
Aug 11 17:00:59 gentoo klogd: [<ffffffff8116245c>] ? __make_request+0x15c/0x3e0
Aug 11 17:00:59 gentoo klogd: [<ffffffff813c9e05>] ?
schedule_timeout+0x1a5/0x1e0
Aug 11 17:00:59 gentoo klogd: [<ffffffff810b638b>] ? bvec_alloc_bs+0x5b/0x100
Aug 11 17:00:59 gentoo klogd: [<ffffffff813c9071>] ? wait_for_common+0xc1/0x180
Aug 11 17:00:59 gentoo klogd: [<ffffffff8102b5c0>] ?
default_wake_function+0x0/0x20
Aug 11 17:00:59 gentoo klogd: [<ffffffff8113f190>] ?
nilfs_segbuf_wait+0x30/0x80
Aug 11 17:00:59 gentoo klogd: [<ffffffff81142ef5>] ?
nilfs_segctor_do_construct+0xf15/0x1ad0
Aug 11 17:00:59 gentoo klogd: [<ffffffff81143dac>] ?
nilfs_segctor_construct+0xbc/0xd0
Aug 11 17:00:59 gentoo klogd: [<ffffffff8114413b>] ?
nilfs_segctor_thread+0x15b/0x350
Aug 11 17:00:59 gentoo klogd: [<ffffffff81140760>] ?
nilfs_construction_timeout+0x0/0x10
Aug 11 17:00:59 gentoo klogd: [<ffffffff810276d0>] ? __wake_up_common+0x50/0x80
Aug 11 17:00:59 gentoo klogd: [<ffffffff810481d0>] ?
autoremove_wake_function+0x0/0x30
Aug 11 17:00:59 gentoo klogd: [<ffffffff81143fe0>] ?
nilfs_segctor_thread+0x0/0x350
Aug 11 17:00:59 gentoo klogd: [<ffffffff81047e56>] ? kthread+0x96/0xa0
Aug 11 17:00:59 gentoo klogd: [<ffffffff8100c38a>] ? child_rip+0xa/0x20
Aug 11 17:00:59 gentoo klogd: [<ffffffff81047dc0>] ? kthread+0x0/0xa0
Aug 11 17:00:59 gentoo klogd: [<ffffffff8100c380>] ? child_rip+0x0/0x20
Aug 11 17:00:59 gentoo klogd: BUG: scheduling while atomic:
segctord/1312/0xffffffff
Aug 11 17:00:59 gentoo klogd: Modules linked in:
Aug 11 17:00:59 gentoo klogd: Pid: 1312, comm: segctord Not tainted
2.6.31-rc5-git7 #1
Aug 11 17:00:59 gentoo klogd: Call Trace:
Aug 11 17:00:59 gentoo klogd: [<ffffffff813c9821>] ? thread_return+0x4af/0x6ee
Aug 11 17:00:59 gentoo klogd: [<ffffffff8116f368>] ? __up_write+0x98/0x140
Aug 11 17:00:59 gentoo klogd: [<ffffffff8114431c>] ?
nilfs_segctor_thread+0x33c/0x350
Aug 11 17:00:59 gentoo klogd: [<ffffffff81140760>] ?
nilfs_construction_timeout+0x0/0x10
Aug 11 17:00:59 gentoo klogd: [<ffffffff810276d0>] ? __wake_up_common+0x50/0x80
Aug 11 17:00:59 gentoo klogd: [<ffffffff810481d0>] ?
autoremove_wake_function+0x0/0x30
Aug 11 17:00:59 gentoo klogd: [<ffffffff81143fe0>] ?
nilfs_segctor_thread+0x0/0x350
Aug 11 17:00:59 gentoo klogd: [<ffffffff81047e56>] ? kthread+0x96/0xa0
Aug 11 17:00:59 gentoo klogd: [<ffffffff8100c38a>] ? child_rip+0xa/0x20
Aug 11 17:00:59 gentoo klogd: [<ffffffff81047dc0>] ? kthread+0x0/0xa0
Aug 11 17:00:59 gentoo klogd: [<ffffffff8100c380>] ? child_rip+0x0/0x20
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