Date: Sun, 8 Nov 2015 09:43:26 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Eugene Grosbein <eugen@grosbein.net> Cc: Warner Losh <imp@bsdimp.com>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: CPU underload Message-ID: <CAJ-Vmon8_kHeg3FOzK6T8amzF=-0ia0-Hb1ve2zZoEdgxrHO8g@mail.gmail.com> In-Reply-To: <563F5630.2000407@grosbein.net> 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> <563F5630.2000407@grosbein.net>
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Which MIPS kernel config doesn't have USB_HOST_ALIGN=64 ? -a On 8 November 2015 at 06:03, Eugene Grosbein <eugen@grosbein.net> wrote: > 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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