random FreeBSD panics

[Anoop Kumar Narayanan]

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?
>>>> >
>>>> > _______________________________________________
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>>>> >
>>>>
>>>> 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.