USB-related problem

[Adrian Chadd]

hiya,

try updating. I committed a workaround fix yesterday.



-adrian


On 8 November 2015 at 07:51, Eugene Grosbein <eugen at grosbein.net> wrote:
> On 08.11.2015 21:03, Eugene Grosbein wrote:
>
>>> 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.
>
> Spoke too early... I run several more tests and peproduced the problem.
> The kernel just hangs installing packages to /usr/local mounted async
> using USB pen drive.
>
> I'm building debugging kernel to run more tests with KDB_TRACE and WITNES.
> Btw, mips/trap.c needs the following patch or else kernel with options KDB
> does not build due to missing "debugger_on_panic" declaration:
>
> --- sys/mips/mips/trap.c.orig 2015-11-08 17:05:21.413505000 +0700
> +++ sys/mips/mips/trap.c      2015-11-08 22:14:49.092653000 +0700
> @@ -49,6 +49,7 @@ __FBSDID("$FreeBSD: head/sys/mips/mips/t
>  #include <sys/systm.h>
>  #include <sys/sysent.h>
>  #include <sys/proc.h>
> +#include <sys/kdb.h>
>  #include <sys/kernel.h>
>  #include <sys/signalvar.h>
>  #include <sys/syscall.h>