Description of problem: I got this when removing a USB DVD+R drive from my laptop: Nov 16 13:53:05 localhost kernel: usb 1-3: USB disconnect, address 4 Nov 16 13:53:05 localhost kernel: BUG: spinlock bad magic on CPU#0, hald-addon-stor/3419 (Not tainted) Nov 16 13:53:05 localhost kernel: lock: ecf17000, .magic: 00000800, .owner: <none>/-1, .owner_cpu: 0 Nov 16 13:53:05 localhost kernel: [<c01e6167>] _raw_spin_lock+0x47/0x6e Nov 16 13:53:05 localhost kernel: [<c01de59f>] cfq_exit_single_io_context+0x23/0xad Nov 16 13:53:05 localhost kernel: [<f89c88fc>] ub_sync_tur+0xdc/0x105 [ub] Nov 16 13:53:05 localhost kernel: [<c01de657>] cfq_exit_io_context+0x2e/0x34 Nov 16 13:53:05 localhost kernel: [<c01d78ae>] exit_io_context+0x60/0x6a Nov 16 13:53:05 localhost kernel: [<c0120257>] do_exit+0x5c/0x3b2 Nov 16 13:53:05 localhost kernel: [<c01272ca>] __dequeue_signal+0xe7/0x197 Nov 16 13:53:05 localhost kernel: [<c0120602>] do_group_exit+0x29/0x90 Nov 16 13:53:05 localhost kernel: [<c0128ce8>] get_signal_to_deliver+0x270/0x37d Nov 16 13:53:05 localhost kernel: [<c0102ce3>] do_signal+0x4b/0xf3 Nov 16 13:53:05 localhost kernel: [<c032837e>] _spin_lock_irqsave+0x9/0xd Nov 16 13:53:05 localhost kernel: [<c0125b63>] lock_timer_base+0x15/0x2f Nov 16 13:53:06 localhost kernel: [<c0125cc8>] del_timer+0x43/0x4b Nov 16 13:53:06 localhost kernel: [<c013f8f1>] audit_syscall_exit+0x3f/0x391 Nov 16 13:53:06 localhost kernel: [<c01e5814>] copy_to_user+0x4c/0x6a Nov 16 13:53:07 localhost kernel: [<c0106e4a>] do_syscall_trace+0x199/0x1f5 Nov 16 13:53:07 localhost kernel: [<c0102db2>] do_notify_resume+0x27/0x35 Nov 16 13:53:07 localhost kernel: [<c0102f52>] work_notifysig+0x13/0x19 Nov 16 13:53:07 localhost kernel: get_unused_fd: slot 1 not NULL! Also seeing a lot of these when I have an empty DVD+R media in the drive: Nov 16 13:51:17 localhost kernel: end_request: I/O error, dev uba, sector 0 Nov 16 13:51:17 localhost kernel: Buffer I/O error on device uba, logical block 0 Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
A new kernel update has been released (Version: 2.6.18-1.2200.fc5) based upon a new upstream kernel release. Please retest against this new kernel, as a large number of patches go into each upstream release, possibly including changes that may address this problem. This bug has been placed in NEEDINFO state. Due to the large volume of inactive bugs in bugzilla, if this bug is still in this state in two weeks time, it will be closed. Should this bug still be relevant after this period, the reporter can reopen the bug at any time. Any other users on the Cc: list of this bug can request that the bug be reopened by adding a comment to the bug. In the last few updates, some users upgrading from FC4->FC5 have reported that installing a kernel update has left their systems unbootable. If you have been affected by this problem please check you only have one version of device-mapper & lvm2 installed. See bug 207474 for further details. If this bug is a problem preventing you from installing the release this version is filed against, please see bug 169613. If this bug has been fixed, but you are now experiencing a different problem, please file a separate bug for the new problem. Thank you.
I don't have access to the drive any more so I can't test. Feel free to close this out.