Bug 11229
Summary: | nfsd, v4: oops in find_acceptable_alias, ppc32 Linux, post-2.6.27-rc1 | ||
---|---|---|---|
Product: | File System | Reporter: | Rafael J. Wysocki (rjw) |
Component: | NFS | Assignee: | bfields |
Status: | REJECTED INVALID | ||
Severity: | normal | CC: | trondmy |
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 2.6.27-rc1 | Subsystem: | |
Regression: | Yes | Bisected commit-id: | |
Bug Depends on: | |||
Bug Blocks: | 10492 |
Description
Rafael J. Wysocki
2008-08-02 10:12:20 UTC
Handled-By : "J. Bruce Fields" <bfields@fieldses.org> On Sunday, 3 of August 2008, Paul Collins wrote:
> Paul Collins <paul@burly.ondioline.org> writes:
>
> > "J. Bruce Fields" <bfields@fieldses.org> writes:
> >
> >> On Sun, Aug 03, 2008 at 12:03:18AM +1200, Paul Collins wrote:
> >>> I just got the oops below on a ppc32 NFS4 server. I was cross-compiling
> >>> Linux with an amd64 client at the time. The server is running Linus's
> >>> tree as of 94ad374a0751f40d25e22e036c37f7263569d24c, the client is
> >>> running 2.6.26.
> >>>
> >>> The server's kernel was cross-compiled with gcc 4.2.4-3 and binutils
> >>> 2.18.50.20080610-1, both built from the Debian sources following their
> >>> toolchain-building procedures.
> >>
> >> Without having really thought about this,
> >>
> >> 496d6c32d4d057cb44272d9bd587ff97d023ee92 "nfsd: fix spurious
> >> EACCESS in reconnect_path()"
> >>
> >> is one suspect; it might be worth checking whether the problem's
> >> reproduceable with that reverted. But I assume we're not so lucky as to
> >> have a 100% reproduceable problem here?
> >
> > Unknown. I've kicked off a fresh build. Here's hoping!
>
> I can trigger it reliably with a 2.6.26 client. I've also triggered it
> with 496d6c32d4d057cb44272d9bd587ff97d023ee92 reverted on the server.
>
> It's harder to trigger with 2.6.27-rc1+ but I managed to get an Oops
> on the fourth build after three successful builds on the NFS4 mount.
Not a regression from 2.6.26, apparently. Following the rest of that thread (e.g. http://marc.info/?l=linux-nfsv4&m=121800494506042&w=4) it appears this was an ftrace bug? |