https://bugzilla.kernel.org/show_bug.cgi?id=74141
Christoph Haag <haagch.christ...@googlemail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Christoph Haag <haagch.christ...@googlemail.com> ---
Ooops.
I now think I was pretty wrong here.
First, I added
printk("return value of shmem_file_aio_read: %d (error: %d)\n", retval ? retval
: error, error);
to the shmem.c version where error was uninitialized to see whether it actually
runs into returning an unitialized value. Well, I could pretty quickly
reproduce the hang. I'm not sure if gcc optimized the variable somehow because
I printed it and whether that triggered it or if I'm just plain wrong here.
More importantly I think it is actually this other bug with my card reader I
had here: https://bugzilla.kernel.org/show_bug.cgi?id=74091
I blacklisted the rtsx_pci_sdmmc and suspended 7 times in a row on 3.15-rc1
without a hang. I'll set it to invalid and hope it stays that way. :)
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