Well-Known PRs as determined by the bugbusting team

Date generated: Thu Feb 9 07:25:06 2012 GMT

This is a list of PRs that the bugbusting team has determined are commonly reported problems. By grouping them together by symptom, we hope to attract more attention to them. It is generated from this file once per day.

This list is similar to the recommended list, which contains PRs that have a patch and are ready to go.

You may see also the Commonly Reported Issues list on the wiki; however, note that it has not been kept up-to-date for a while.

Send comments to linimon@FreeBSD.org.

Note: closed PRs will be automagically filtered out.

Ejecting mounted device causes panic
Mounting something twice hangs system
Mounting write-protected media panics system
sysinstall will not unmount CDs
UDF filesystems unmountable
Unexpected panic on device insert
Unexpected panic on device insert and removal (even if not mounted)

Ejecting mounted device causes panic

This is the most notorious problem. In general it affects users of USB devices the most often, but can also affect CD and floppy users. The 'received wisdom' is that the VM system will need some re-architecting to fully cope with this problem.

S	Submitted	Tracker	Resp.	Description
o	2005/10/23	kern/87859	fs	[smbfs] System reboot while umount smbfs.
o	2006/03/19	kern/94669	pjd	[vfs] [patch] Panic from Failed Removable Media Mount
o	2007/02/21	kern/109377	daichi	[unionfs] unionfs crashes if underlying file system forcibly unmounted
o	2007/08/08	usb/115298	usb	[ulpt] [panic] Turning off USB printer panics kernel
f	2008/02/18	usb/120786	usb	[usb] [panic] Kernel panic when forced umount of a dettached USB Harddisk

5 problems total.

Mounting something twice hangs system

S	Submitted	Tracker	Resp.	Description
a	2004/12/07	kern/74809		[modules] [panic] smbfs panic if multiply mounted
p	2006/12/28	kern/107285		[panic] freeze and reboot by mounting CDROM volume twice

2 problems total.

Mounting write-protected media panics system

S	Submitted	Tracker	Resp.	Description
f	2004/12/06	usb/74771	usb	[umass] [hang] mounting write-protected umass device as read/write hangs device

1 problem total.

sysinstall will not unmount CDs

(none)

UDF filesystems unmountable

S	Submitted	Tracker	Resp.	Description
o	2008/02/23	kern/120989	scottl	[udf] [patch] UDF (with DVD RAM) isn't mountable/readable

1 problem total.

Unexpected panic on device insert

S	Submitted	Tracker	Resp.	Description
o	2006/08/10	usb/101752	gavin	[usb67] [umass] [panic] 6.1-RELEASE kernel panic on Casio camera device insertion
o	2007/07/05	usb/114310	usb	[libusb] [patch] [panic] USB hub attachment panics kernel during libusb device scan
o	2007/10/18	usb/117313	usb	[umass] [panic] panic on usb camera insertion
o	2007/11/10	usb/117955	usb	[umass] [panic] inserting minolta dimage a2 crashes OS
o	2008/05/14	usb/123690	usb	[usb] [panic] Panic on USB device insertion when usb loaded as a module
o	2008/08/14	usb/126519	usb	[usb] [panic] panic when plugging in an iphone
o	2008/12/08	usb/129500	usb	[umass] [panic] FreeBSD Crashes when connecting SanDisk Sensa e280
f	2008/12/19	usb/129766	usb	[usb] [panic] plugging in usb modem HUAWEI E226 panics system

8 problems total.

Unexpected panic on device insert and removal (even if not mounted)

S	Submitted	Tracker	Resp.	Description
o	2006/01/22	usb/92171	usb	[panic] panic unplugging Vodafone Mobile Connect (UMTS) 3G/GPRS Datacard
o	2006/03/24	usb/94897	usb	[panic] Kernel Panic when cleanly unmounting USB disk
o	2007/11/17	usb/118098	usb	[umass] 6th gen iPod causes problems when disconnecting, even after umount
o	2008/06/25	usb/124980	usb	[panic] kernel panic on detaching unmounted umass device
f	2008/07/09	usb/125450	usb	[panic] Removing USB flash card while being accessed causes kernel panic, even without device mounted

5 problems total.

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