Messages in this thread | | | From | Michael Frank <> | Subject | Re: 2.5.73-mm1 nbd: boot hang in add_disk at first call from nbd_init | Date | Sun, 29 Jun 2003 15:32:46 +0800 |
| |
On Sunday 29 June 2003 01:20, Randy.Dunlap wrote: > > On Saturday 28 June 2003 12:55, Michael Frank wrote: > >> On Saturday 28 June 2003 10:41, Andrew Morton wrote: > >> > Michael Frank <mflt1@micrologica.com.hk> wrote: > >> > > Changes were recently made to the nbd.c in 2.5.73-mm1 > >> > > >> > And tons more will be in -mm2, which I shall prepare right now. Please > >> > >> retest on that and if it still hangs, capture the output from pressing > >> alt-sysrq-T. > >> > >> Legacy free, no serial port. > >> > >> > >> > >> Sorry, -mm2 hang at booting kernel on 2 machines. > > > > Oh Murphy! Bug: 250K log buffer causes a hang on boot. > > > > Sorry for the shock. I configured the log buffer bigger - 250K and it > > hangs on boot. > > > > Default 14K log buffer all OK, the NBD hang is fixed too. > > Default value of 14 is a shift count (2 << 14), which gives a
No sh**,
> 16 KB buffer. > Did you enter '250' for the shift value?
Yes, I meant 250K bytes.
> Yes, that wouldn't boot. > Maybe consult the help text??
I'll put it on a CD under my pillow tonight....
> > > This was my only config change besides that driver which didn't compile > > ;) > > > > I want a bigger log buffer in preparation for testing swsusp on 2.5. On > > 2.4, the test io load prevent the big swsusp logs from making it to > > disk... > > Andrew, do you want a min/max limit on the LOG_BUF_SHIFT value, > now that Roman has added that feature for Kconfig? >
Making this a shift count is a brilliant trap designed to humble buffalos who do not bother to read the documentation. To put a check there would just spoil the fun ;)
-- Powered by linux-2.5.73-mm2, compiled with gcc-2.95-3 - not fancy but rock solid
My current linux related activities: - Test development and testing of swsusp - Everyday usage of 2.5 kernel
More info on the 2.5 kernel: http://www.codemonkey.org.uk/post-halloween-2.5.txt
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |