From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anton Eliasson Subject: Re: Nilfs2 crash debugging Date: Mon, 26 Aug 2013 20:37:56 +0200 Message-ID: <521BA084.80901@antoneliasson.se> References: <51F2A8A4.4020400@antoneliasson.se> <51F2A945.6050909@antoneliasson.se> <9016EBD5-1E01-476F-B1B9-66AE593F4728@dubeyko.com> <520CB032.2000602@antoneliasson.se> <521A1C88.9080100@antoneliasson.se> <1377510966.2621.3.camel@slavad-ubuntu> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1377510966.2621.3.camel@slavad-ubuntu> Sender: linux-nilfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="utf-8"; format="flowed" To: slava-yeENwD64cLxBDgjK7y7TUQ@public.gmane.org Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Vyacheslav Dubeyko skrev 2013-08-26 11:56: > On Sun, 2013-08-25 at 17:02 +0200, Anton Eliasson wrote: > > [snip] >> Yes. Here's another huge kernel.log for you [2]. It's 19 MB compress= ed >> and 282 MB uncompressed. I blanked the log while running the stock >> kernel and then rebooted to the custom debugging kernel. X wouldn't >> start so I just logged in to a virtual terminal, changed directory t= o >> "~/Bilder/20130321-28 Jakobs bilder fr=C3=A5n Nederl=C3=A4nderna" an= d then >> executed `cat 179.JPG >/dev/null`. >> >> This caused a read-only remount and a bunch of "broken bmap" message= s to >> show, followed by an "Input/Output error". I saved a copy of >> /var/log/kernel.log as soon as I could after that, before reinstalli= ng >> the stock kernel and rebooting. >> >> [1]: http://antoneliasson.se/publicdump/config.x86_64.last.20130825 >> [2]: http://antoneliasson.se/publicdump/kernel.log.20130825.gz >> > Yes, it's great. Thank you. Now I can investigate the issue's > environment. I suspect that this issue is related to the issue with > "unable to handle kernel paging request" in nilfs_end_page_io(). But, > maybe, I am wrong. Anyway, it is a good basis for more detailed > understanding of the issue. > > Thanks, > Vyacheslav Dubeyko. > > You're welcome. And thank you for your thorough instructions. It's been= =20 very informative and worthwhile for me to patch and build a kernel with= =20 custom options. Let me know if you need more experiments run on the=20 damaged filesystem. Otherwise I'll delete the stored disk images in a=20 month or two. --=20 Best Regards, Anton Eliasson -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" = in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html