Bug 114593 - changeloop appears to be broken
changeloop appears to be broken
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brian Brock
Depends On:
  Show dependency treegraph
Reported: 2004-01-29 15:49 EST by Bill Nottingham
Modified: 2014-03-16 22:41 EDT (History)
3 users (show)

See Also:
Fixed In Version: 2.6.1-1.65
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2004-02-09 11:09:46 EST
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
anaconda syslog (73.71 KB, text/plain)
2004-01-29 15:50 EST, Bill Nottingham
no flags Details

  None (edit)
Description Bill Nottingham 2004-01-29 15:49:47 EST

The installer transfers the install image, and (apparently) does the
changeloop ioctl. The installer then becomes stuck in disk wait, in
the loopback code.

syslog with sysrq dumps attached.
Comment 1 Bill Nottingham 2004-01-29 15:50:27 EST
Created attachment 97346 [details]
anaconda syslog
Comment 2 Alexander Viro 2004-01-30 21:21:02 EST
reason: bio_alloc(..., 0) leaves a lot of stuff uninitialized.  Fix:
use bio_alloc(GFP_KERNEL, 1); and explicitly set bio->bi_bdev to NULL
in the loop_switch().  After that it works here(tm).
Comment 3 Bill Nottingham 2004-01-30 22:16:07 EST
Fix integrated into 2.6.1-1.65.

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