CPU underload

[Adrian Chadd]

Which MIPS kernel config doesn't have USB_HOST_ALIGN=64 ?


-a


On 8 November 2015 at 06:03, Eugene Grosbein <eugen at grosbein.net> wrote:
> On 07.11.2015 10:57, Adrian Chadd wrote:
>> On 1 November 2015 at 23:17, Eugene Grosbein <eugen at grosbein.net> wrote:
>>> On 02.11.2015 14:04, Warner Losh wrote:
>>>
>>>>     Next, USB flash support is not very stable as I have written before,
>>>>     lots of USB i/o can easily panic the kernel.
>>>>
>>>> Does your flash device support trim / delete?
>>>
>>> Not sure. How do I know? It is just USB pen flash.
>>
>> hiya,
>>
>> ok, this is next . What's the deal with this? can you panic it and
>> report it please? :)
>
> I did earlier in my letter with subject "jemalloc aborts: lloc_arena.c:363: Failed assertion: "p[i] == 0":
>
>> Trap cause = 2 (TLB miss (load or instr. fetch) - kernel mode)
>> panic: trap
>> Uptime: 3m7s
>> panic: bufwrite: buffer is not busy???
>> Uptime: 3m7s
>
> However, I cannot reproduce the problem anymore using recent HEAD
> compiled without -Os and with kernel having "options USB_HOST_ALIGN=64"
> as Warner Losh suggested.
>
>
>