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Date: Fri, 16 May 2008 09:41:31 -0700 From: Arjan van de Ven <arjan@...ux.intel.com> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> CC: Linus Torvalds <torvalds@...ux-foundation.org>, NetDev <netdev@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Jeff Garzik <jgarzik@...ox.com> Subject: Top kernel oopses/warnings for the week of May 16th 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 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 1617 oopses and warnings have been reported, compared to 452 reports in the previous week. This sharp increase is due to Fedora 9 being released, which includes the automatic collection client. Per file statistics ------------------- 743 kernel/sysctl.c 113 fs/buffer.c 76 fs/sysfs/dir.c 38 kernel/spinlock.c 22 fs/inotify.c 21 kernel/sysctl_check.c (P) 21 net/core/sock.c 18 fs/file_table.c 17 mm/page_alloc.c 15 lib/iomap.c Bug of the week --------------- Not in the top 10 (but barely not so), but upcoming fast is a bug that has a very distinct pattern. The backtraces are at http://www.kerneloops.org/searchweek.php?search=fput The pattern is that the kernel gets an invalid pointer passed to fput(), coming down from a select() system call done by the "wpa_supplicant" program. The fact that it is ONLY wpa_supplicant implicates the wireless/network stack. Another observation is that this only happens with 64 bit kernels, even though a large portion of the users uses 32 bit kernels. This implies that this is a 64-bit type of bug. It appears that the top 32 bit of the pointers is getting corrupted (the bottom part at least looks valid). Top 10 reported bugs -------------------- Rank 1: __register_sysctl_paths Reported 741 times (1254 total reports) Duplicate /proc registration. Bugs in madwifi but also in the parport driver This oops was last seen in version 2.6.25.3, and first seen in 2.6.25-rc3. More info: http://www.kerneloops.org/searchweek.php?search=__register_sysctl_paths Rank 2: mark_buffer_dirty Reported 110 times (306 total reports) EXT3 bug while hot-removing a USB device This oops was last seen in version 2.6.25.3, and first seen in 2.6.24-rc6. More info: http://www.kerneloops.org/searchweek.php?search=mark_buffer_dirty Rank 3: sysfs_add_one Reported 67 times (272 total reports) Adding duplicate sysfs files... seems to be mostly around USB so all in GregKH's park This oops was last seen in version 2.6.26-rc2, and first seen in 2.6.24-rc6. More info: http://www.kerneloops.org/searchweek.php?search=sysfs_add_one Rank 4: _spin_unlock_irqrestore Reported 38 times (130 total reports) Mostly "softlockups" coming out of idle. This could well be mostly hardware issues; idle is the most harsh thing in terms of voltage/current swings. This oops was last seen in version 2.6.25.3, and first seen in 2.6.22-rc1. More info: http://www.kerneloops.org/searchweek.php?search=_spin_unlock_irqrestore Rank 5: ieee80211_stop_tx_ba_session Reported 36 times (56 total reports) Seems to be caused by the 4965 driver This oops was last seen in version 2.6.25.3, and first seen in 2.6.25-rc7-git6. More info: http://www.kerneloops.org/searchweek.php?search=ieee80211_stop_tx_ba_session Rank 6: nouveau_gpuobj_ref_del Reported 22 times (40 total reports) Bug in the out-of-tree nouveau driver This oops was last seen in version 2.6.25, and first seen in 2.6.25-rc4. More info: http://www.kerneloops.org/searchweek.php?search=nouveau_gpuobj_ref_del Rank 7: set_dentry_child_flags Reported 22 times (741 total reports) Bug in the 2.6.24 inotify code that got exposed by KDE4 and got fixed in 2.6.25 This oops was last seen in version 2.6.24.4, and first seen in 2.6.24-rc8-git4. More info: http://www.kerneloops.org/searchweek.php?search=set_dentry_child_flags Rank 8: sysctl_check_lookup Reported 21 times (239 total reports) Bug in the proprietary madwifi driver Oops only shows up in tainted kernels This oops was last seen in version 2.6.24.5, and first seen in 2.6.24-rc5. More info: http://www.kerneloops.org/searchweek.php?search=sysctl_check_lookup Rank 9: sk_free Reported 19 times (80 total reports) VMWare driver bug Oops only shows up in tainted kernels This oops was last seen in version 2.6.25.3, and first seen in 2.6.23.9. More info: http://www.kerneloops.org/searchweek.php?search=sk_free Rank 10: __alloc_pages Reported 16 times (31 total reports) Sleeping allocation in interrupt context, some in netlink, some in the nv sata driver This oops was last seen in version 2.6.25.3, and first seen in 2.6.18-rc1. More info: http://www.kerneloops.org/searchweek.php?search=__alloc_pages -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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