On Fri, 10 Dec 2004, Jason McCormick wrote:
* Inability to unmount /usr/vice/cache (or / if it's not a separate partition). This is 100% repeatable on all FC3 machines. The following steps will always create this problem:
- Stop all processes and logout all users of AFS - Stop all AFS processes and unload libafs kernel module - lsof | grep -i afs reports nothing open - umount /usr/vice/cache
this implies one of the "special" file opens is somehow being leaked. (inside the kernel)
Is this e.g. umount /afs afsd -shutdown rmmod libafs ?
* Accessing an AFS volume over our VPN results in an immediate kernel panic. The panic message reports many "Unable to handle kernel NULL pointer deference at virtual address" errors followed by "Recursive die() failure, output suppressed" and "<0>Kernel panic - not syncing: Fatal exception in interrupt". This is present only on 1 of 2 laptops running FC3, but is 100% repeatable on the failing laptop.
No oops, I assume.
* Copying large files (~450Mb0 into AFS from non-AFS partitions results in a kernel oops. The error reported is:
rxi_Start: xmit list overflowed<1>Unable to handle kernel paging request at virtual address ffffffff
This problem is also 100% repeatable. 'fs getcache' does not report that the cache is full. I've attached a file gti-largefile-copy-oops.txt that is the "soft" kernel oops.
Screams stack overflow, but the backtrace is nonsensical. Recompile module with -fomit-frame-pointer?
* Random cache consistency problems. A file will be present in the filesystem and viewable on other machines but not on the FC3 host. fs flush does not always solve this problem however another client operating on the same directory (i.e. touch hi) seems to unstick the client. We do have one test case that seems to always generate this problem, but it's not very portable for other to test as it requires our internal package management software. Rudy Maceyko is going to test this with 1.3.75 shortly.
Ok. We fixed only one thing which might affect this, and I doubt it's it.
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