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Date: Fri, 04 Jul 2008 15:14:46 -0700 From: Arjan van de Ven <arjan@...ux.intel.com> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> CC: NetDev <netdev@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...e.hu>, Dave Jones <davej@...hat.com> Subject: Oops/Warning report of the week of July 4th 2008 This week, a total of 3541 oopses and warnings have been reported, compared to 3794 reports in the previous week. The stats look very similar to last week; Fedora released a 2.6.25.9 based kernel upgrade, which led to a new sighting (at rank 12): the rt25xx wireless driver is calling flush_workqueue() with a NULL parameter in some cases. There has been a lot of thrash about the last report with regard to inclusion of wireless.git into the Fedora kernel rpms. As an observer I can say that it's both a blessing and a bog. It's a blessing in that this allows bugs to show up early before wireless.git hits mainline (as an example: this is the third or fourth fedora rpm upgrade in a row that showed new and exciting oopses/warnings due to rt25xx... as a result of very active development). It's a bog in that it may expose users to not-quite-ready code. So far it seems the Fedora kernel maintainers are happy enough with the overall balance that they continue the practice. Per file statistics 548 external/madwifi/wrapper (P) 264 drivers/parport/procfs.c 258 external/madwifi/binary (P) 249 fs/sysfs/dir.c 241 drivers/net/wireless/b43/main.c 229 fs/jbd/journal.c 154 external/fireglx/binary (P) 91 kernel/time/tick-broadcast.c 64 drivers/ata/libata-core.c 58 fs/ext3/super.c 43 kernel/workqueue.c 41 net/mac80211/tx.c Reports seen on non-tainted kernels =================================== Rank 2: parport_device_proc_register (warning) Reported 264 times (2002 total reports) Duplicate /proc registration in the parport driver This warning was last seen in version 2.6.26-rc8-git2, and first seen in 2.6.24-rc5. More info: http://www.kerneloops.org/searchweek.php?search=parport_device_proc_register Rank 4: b43_generate_noise_sample (warning) Reported 239 times (1124 total reports) [fixed] too strict WARN_ON in b43 driver This got fixed recently, and Fedora will have a backport of the fix soon as well. This warning was last seen in version 2.6.26-rc4-git5, and first seen in 2.6.25.3. More info: http://www.kerneloops.org/searchweek.php?search=b43_generate_noise_sample Rank 5: sysfs_add_one (warning) Reported 238 times (1835 total reports) Duplicate sysfs registration warning; USB hubs and USB audio are the most implicated parts This warning was last seen in version 2.6.26-rc3, and first seen in 2.6.24-rc6. More info: http://www.kerneloops.org/searchweek.php?search=sysfs_add_one Rank 6: journal_update_superblock (warning) Reported 226 times (1482 total reports) Caused by the user removing a USB stick while mounted (This isn't a corner case as much as it used to; todays desktop systems auto-mount USB sticks) This warning was last seen in version 2.6.26, and first seen in 2.6.24-rc6-git1. More info: http://www.kerneloops.org/searchweek.php?search=journal_update_superblock Rank 8: tick_broadcast_oneshot_control (softlockup) Reported 91 times (634 total reports) Some interaction between tickless and systems with an AMD CPU and an ATI chipset (eg only seen on systems that both have an AMD cpu and an ATI chipset) Current suspicion is some kind of time-warp problem that causes the softlockup code to trigger incorrectly This softlockup was last seen in version 2.6.25.9, and first seen in 2.6.24-rc4. More info: http://www.kerneloops.org/searchweek.php?search=tick_broadcast_oneshot_control Rank 10: ata_hsm_move (warning) Reported 63 times (233 total reports) Linus just merged patches to get better diagnostics for this case This warning was last seen in version 2.6.25.9, and first seen in 2.6.25-rc9-git1. More info: http://www.kerneloops.org/searchweek.php?search=ata_hsm_move Rank 11: ext3_commit_super (warning) Reported 53 times (356 total reports) Likely caused by the user removing a USB stick while mounted This warning was last seen in version 2.6.26-rc8-git2, and first seen in 2.6.24. More info: http://www.kerneloops.org/searchweek.php?search=ext3_commit_super Rank 12: flush_workqueue (oops) Reported 39 times Bug in the rt25xx driver passing NULL to the flush_workqueue() function This oops was last seen in version 2.6.25.9, and first seen in 2.6.25.9. More info: http://www.kerneloops.org/searchweek.php?search=flush_workqueue Rank 13: ieee80211_master_start_xmit (warning) Reported 38 times (183 total reports) This used to be specific to the iwlwifi drivers, but now shows up with various other drivers as well This warning was last seen in version 2.6.25.9, and first seen in 2.6.25.4. More info: http://www.kerneloops.org/searchweek.php?search=ieee80211_master_start_xmit Only seen on tainted kernels ============================ Rank 1: ath_dynamic_sysctl_register (warning) Reported 462 times (4375 total reports) [external] Bug in the proprietary madwifi driver warning only shows up in tainted kernels This warning was last seen in version 2.6.25.9, and first seen in 2.6.24. More info: http://www.kerneloops.org/searchweek.php?search=ath_dynamic_sysctl_register Rank 3: init_ath_hal (warning) Reported 258 times (2658 total reports) [external] Bug in the proprietary madwifi driver warning only shows up in tainted kernels This warning was last seen in version 2.6.25.9, and first seen in 2.6.24. More info: http://www.kerneloops.org/searchweek.php?search=init_ath_hal Rank 7: firegl_ioctl (warning) Reported 124 times (997 total reports) [external] Bug in the proprietary fireglx driver warning only shows up in tainted kernels This warning was last seen in version 2.6.25.10, and first seen in 2.6.25. More info: http://www.kerneloops.org/searchweek.php?search=firegl_ioctl Rank 9: ath_sysctl_register (warning) Reported 86 times (1109 total reports) [external] Bug in the proprietary madwifi driver warning only shows up in tainted kernels This warning was last seen in version 2.6.25.9, and first seen in 2.6.24-rc4-git4. More info: http://www.kerneloops.org/searchweek.php?search=ath_sysctl_register -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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