Date: Wed, 20 Feb 2013 15:16:45 -0800 From: Xin Li <delphij@delphij.net> To: Konstantin Belousov <kostikbel@gmail.com> Cc: FreeBSD Current <freebsd-current@freebsd.org>, d@delphij.net, Navdeep Parhar <nparhar@gmail.com> Subject: Re: -CURRENT userland regression Message-ID: <5125595D.5010508@delphij.net> In-Reply-To: <20130220223704.GU2598@kib.kiev.ua> References: <51254ACE.2030100@delphij.net> <51254C7E.9050705@gmail.com> <20130220222518.GT2598@kib.kiev.ua> <51254E51.1070702@delphij.net> <20130220223704.GU2598@kib.kiev.ua>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 02/20/13 14:37, Konstantin Belousov wrote: > On Wed, Feb 20, 2013 at 02:29:37PM -0800, Xin Li wrote: >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 >> >> On 02/20/13 14:25, Konstantin Belousov wrote: >>> On Wed, Feb 20, 2013 at 02:21:50PM -0800, Navdeep Parhar >>> wrote: >>>> On 02/20/13 14:14, Xin Li wrote: >>>>> Hi, >>>>> >>>>> It seems that fresh -HEAD would give an unusable kernel >>>>> that overwrites screen buffer in a way making it impossible >>>>> to debug. Using an old world source to do 'make buildworld >>>>> buildkernel' results in a (mostly: I have some strange USB >>>>> issue right now and still looking for the cause) usable >>>>> kernel. >>>>> >>>>> For now my known good combination is world 246858 with >>>>> kernel 247057. I'm still trying to find out which revision >>>>> have broke the stuff. >>>> >>>> I ran into this earlier today. Selecting "safe mode" in the >>>> boot loader menu seems to work around the problem on my >>>> system. Now I will not reboot until I see a fix for this in >>>> head :-) >>> >>> How much 'the earlier today' is ? I.e., could you specify some >>> revisions ? >> >> It would take some time to bi-sect as one needs to do full >> world/kernel build. The only thing I can say definitely is that >> something from userland was broken within the (246858,247057] >> range. I'm compiling 246957 right now. > > My first guess would be r247047, but I did booted the kernel+world > with this change applied, on amd64. Hm, I booted on the machine > with serial console. I think it's unlikely -- I have r247057 of sys/ which worked fine... userland 246957 works good by the way. Cheers, - -- Xin LI <delphij@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- iQEcBAEBCgAGBQJRJVldAAoJEG80Jeu8UPuzxBcH/AntMKSKAou10EU8/PbZEAHH q7A4enMQll13UuG9DzcXoQLEdmy+oCTpOcCn1Fe7YcY/ykvKgZhSUgTwwmZseL/N vHRgLH44ctAHEZMGW50oAVLgpR4ac4/dwbqeCThFwMb6C0wwRgo2SJD1w5GW8TMw JI40BeGdSEggJVOuYf+GJh433Wg5IhhxTsVkd5DXNrqjY5QfbtFwWJmUS7DKCb4X Ds153GhyxVJ2YXHBp6HjJ8ccmocBZ+plnda9uNTTVYcvklbQDzYWIFmxHsUO1OBq rXXSh93PJ7yJh/vrSFncDyxxpjfEfqlpCyM60Htd6CaFri1JbAn1kl4OmaDrlt8= =i2Ev -----END PGP SIGNATURE-----
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