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Message-ID: <47AF9867.6050902@linux.intel.com>
Date: Sun, 10 Feb 2008 16:35:51 -0800
From: Arjan van de Ven <arjan@...ux.intel.com>
To: linux-kernel@...r.kernel.org
CC: Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>, mingo@...e.hu
Subject: Oops report for the week upto Feb 10th 2008
The http://www.kerneloops.org website collects kernel oops and
warning reports from various mailing lists and bugzillas as well as
with a client users can install to auto-submit oopses.
Below is a top 10 list of the oopses/backtraces collected in the last 7 days.
(Reports prior to 2.6.23 have been omitted in collecting the top 10)
This week, a total of 323 oopses and warnings have been reported,
compared to 110 reports in the previous week.
(This sharp increase is due to Fedora 9 alpha shipping the oops data
collection client in the default install, giving us much wider coverage
in the issues that actual users hit; many thanks to the Fedora project
for this)
With the 2.6.25-rc1 release out, this will be the last report that includes
2.6.23; future reports will only include issues from 2.6.24 and later.
Rank 1: set_dentry_child_flags
WARN_ON at fs/inotify.c:172 set_dentry_child_flags
Reported 93 times (116 total reports)
This is a user triggered WARN_ON in inotify. Sadly inotify seems to be unmaintained.
More info: http://www.kerneloops.org/search.php?search=set_dentry_child_flags
Rank 2: __ieee80211_rx_handle_packet
WARN_ON at net/mac80211/rx.c:1704 __ieee80211_rx_handle_packet
Reported 35 times (82 total reports)
This is the well known packet alignment issue; fix in progress
More info: http://www.kerneloops.org/search.php?search=__ieee80211_rx_handle_packet
Rank 3: remove_proc_entry
WARN_ON at fs/proc/generic.c:736
Reported 20 times (38 total reports)
This WARN_ON is there if code tries to remove a non-empty /proc directory.
Most reports are tainted, pointing at a bug in a binary module.
Without the WARN_ON improvements from 2.6.25-rc1 it'll be hard to figure out which module is guilty.
More info: http://www.kerneloops.org/search.php?search=remove_proc_entry
Rank 4: bad_io_access
WARN_ON at lib/iomap.c:44
Reported 15 times (21 total reports)
This is a bug in the ata_bmdma code
More info: http://www.kerneloops.org/search.php?search=bad_io_access
Rank 5: sysctl_print_path
Reported 28 times (41 total reports)
This is a bug in the binary-only madwifi module.
More info: http://www.kerneloops.org/search.php?search=sysctl_print_path
Rank 6: dma_free_coherent
WARN_ON at arch/x86/kernel/pci-dma_32.c:66
Reported 9 times (11 total reports)
This bug happened with the acx, arcmsr, sym2 and generic ata drivers
More info: http://www.kerneloops.org/search.php?search=dma_free_coherent
Rank 7: _spin_unlock_irqrestore
Soft lockup
Reported 7 times (11 total reports)
In all cases it happened via scsi_dispatch_cmd
More info: http://www.kerneloops.org/search.php?search=_spin_unlock_irqrestore
Rank 8: uart_flush_buffer
The well known bluetooth tty flush bug
A fix for this bug has been merged into 2.6.25-rc1
Reported 6 times (67 total reports)
More info: http://www.kerneloops.org/search.php?search=uart_flush_buffer
Rank 9: mark_buffer_dirty
WARN_ON at fs/buffer.c:1169
This indicates that a non-uptodate buffer is marked dirty.
This can lead to data corruption!
Reported 5 times (12 total reports) - Only seen since 2.6.24-rc6
Usually happens during umount()
More info: http://www.kerneloops.org/search.php?search=mark_buffer_dirty
Rank 10: sysfs_add_one
WARN_ON at fs/sysfs/dir.c:424 (duplicate filename)
Reported 5 times (57 total reports)
Seems to happen mostly with ALSA
More info: http://www.kerneloops.org/search.php?search=sysfs_add_one
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