Date: Sun, 8 Nov 2015 21:03:28 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Adrian Chadd <adrian@freebsd.org> Cc: Warner Losh <imp@bsdimp.com>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: CPU underload Message-ID: <563F5630.2000407@grosbein.net> In-Reply-To: <CAJ-Vmo=0vOAq8db_GeLWmdXr7xJdzUh44ZZJrQ9vVdpvzT9hiQ@mail.gmail.com> References: <56348063.3090508@grosbein.net> <56348239.3050701@grosbein.net> <CAJ-Vmok%2BgKXcpzpxNCBhxX8sYSh%2BQO7OaeojB4MCufO%2BA4zceg@mail.gmail.com> <563500FC.8020201@grosbein.net> <CAJ-Vmo=EpmG6OJxq_v_mqKMF48h_B3K7vKqnnaKAi3x1s-uaWQ@mail.gmail.com> <5635148B.2070307@grosbein.net> <CAJ-VmomzkG8ZB0h1Qc=Oeny2ZOzQg1UirUprM_gmMy64F5ZRYw@mail.gmail.com> <56351AA6.80903@grosbein.net> <CAJ-VmomLen5p7ELejU7QtC5CO2j8hydb_CvdOqQsfaaMAtmdkA@mail.gmail.com> <563523CA.3040207@grosbein.net> <CAJ-Vmonpd8R5C%2BNvhOGFD1okkkit990DV8c4Dm%2BLmpZ2uFfVkA@mail.gmail.com> <56367686.4090801@grosbein.net> <CAJ-VmomtJ9eKfAJYfn4e2S1xWN8-YHo0M0KH-9V=VjNBf6vVVA@mail.gmail.com> <563707A0.3040700@grosbein.net> <CANCZdfrB0hkjmTU-9NzimBv=X_h-=bF0D2azBxg=9B=kmitv7Q@mail.gmail.com> <56370E1D.3040801@grosbein.net> <CAJ-Vmo=0vOAq8db_GeLWmdXr7xJdzUh44ZZJrQ9vVdpvzT9hiQ@mail.gmail.com>
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On 07.11.2015 10:57, Adrian Chadd wrote: > On 1 November 2015 at 23:17, Eugene Grosbein <eugen@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.
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