random FreeBSD panics

[Paul B Mahol]

On 3/31/10, Anoop Kumar Narayanan <anoop.kn at gmail.com> wrote:
> On Wed, Mar 31, 2010 at 2:33 AM, Paul B Mahol <onemda at gmail.com> wrote:
>> On 3/30/10, Anoop Kumar Narayanan <anoop.kn at gmail.com> wrote:
>>> On Sun, Mar 28, 2010 at 5:33 PM, Gary Jennejohn
>>> <gary.jennejohn at freenet.de> wrote:
>>>> On Sun, 28 Mar 2010 11:18:59 +0000
>>>> Masoom Shaikh <masoom.shaikh at gmail.com> wrote:
>>>>
>>>>> On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras <ivoras at freebsd.org>
>>>>> wrote:
>>>>> > Masoom Shaikh wrote:
>>>>> >>
>>>>> >> Hello List,
>>>>> >>
>>>>> >> I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1.
>>>>> >> Since
>>>>> >> then, system randomly just freezes, and there is no option other
>>>>> >> than
>>>>> >> hard
>>>>> >> boot. I guessed this will get solved in 8.0-RELEASE, but it was not
>>>>> >> :(
>>>>> >
>>>>> > I wild shot - did you try disabling superpages?
>>>>> >
>>>>> > _______________________________________________
>>>>> > freebsd-questions at freebsd.org mailing list
>>>>> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>>>>> > To unsubscribe, send any mail to
>>>>> > "freebsd-questions-unsubscribe at freebsd.org"
>>>>> >
>>>>>
>>>>> umm, how do I do that ?
>>>>>
>>>>
>>>> Add this to /boot/loader.conf
>>>> vm.pmap.pg_ps_enabled="0"
>>>
>>> I keep getting RW errors while writing into an USB drive, wondering if
>>> its the same problem is related to your reply ?
>>> USB mass storage driver seems to be broken.
>>
>> Works for me.
>>
>>>
>>> da0 at umass-sim0 bus 0 target 0 lun 0
>>> da0: <Kingston DataTraveler 2.0 1.00> Removable Direct Access SCSI-2
>>> device
>>> da0: 40.000MB/s transfers
>>> da0: 1940MB (3973120 512 byte sectors: 255H 63S/T 247C)
>>> info: [drm] Num pipes: 2
>>> info: [drm] Loading R300 Microcode
>>> info: [drm] Num pipes: 2
>>> g_vfs_done():da0s1[WRITE(offset=648923648, length=32768)]error = 5
>>> g_vfs_done():da0s1[WRITE(offset=648956416, length=32768)]error = 5
>>> g_vfs_done():da0s1[WRITE(offset=648989184, length=32768)]error = 5
>>> g_vfs_done():da0s1[WRITE(offset=649021952, length=65536)]error = 5
>>> g_vfs_done():da0s1[WRITE(offset=649087488, length=32768)]error = 5
>>
>> Are you sure that your device is not dead (weared out)?
>>
> That seem to have been the case. :P Ran a scan disk on windows and
> fixed it. :) But this doesn't solve the FreeBSD 8.0 frequent crashes.

Weared-out disc can not be fixed (at least not from windows).