bugThe GNU Hurd - Bugs: bug #17118, pflocal issues

 
 

bug #17118: pflocal issues

Submitter:  Thomas Schwinge <tschwinge>
Submitted:  Mon 17 Jul 2006 08:55:41 AM UTC
   
 
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Works For Me Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Closed Reproducibility:  None
Size (loc):  None Planned Release:  None
Effort:  0.00
Wiki-like text discussion box: 

I piped more than 8 tb of zeros through pfinet over the last two hours with no ill-effects on the system (other than the page fault and page zeroed counter overflowing somewhere).

I'll close this bug now, feel free to reopen if you can still reproduce it.

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Fri 21 Jul 2006 09:38:48 PM UTC, comment #1: 

17:28 <antrik>: fifo does crash as well, though not as fast
17:29 <antrik>: and Neal's patch doesn't change the situation

Ben Asselstine <benasselstine>
Mon 17 Jul 2006 08:55:41 AM UTC, original submission:  

02:31 <antrik> interesting: running "cat /dev/zero|cat >/dev/null" for a while completely freezes the system
19:54 <antrik> hm... cat /dev/zero|cat >/dev/null crashes the machine also if done in a chroot...
How long does this take?
20:20 <antrik> tschwinge: not sure exactly. must be something between 15 minutes and an hour I'd say
11:49 <antrik> if instead of doing "cat /dev/zero|cat >/dev/null" (pflocal) I use tcplisten/tcpconnect (pfinet) or a fifo, there is no crash
13:41 <antrik> a simple "cat /dev/zero >/dev/null" doesn't crash either
13:44 <antrik> so, any volunteers to find out why pflocal crashes Mach? :-)
13:44 <antrik> (or at least it crashes the whole system even if run in a subhurd...)

Perhaps related to the pflocal patch by Neal that is in the Debian package?

Thomas Schwinge <tschwinge>
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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-02-08 teythoon StatusNone Works For Me
        Open/ClosedOpen Closed
        Wiki-like text discussion box I piped more than 8 tb of zeros through pfinet over the last two hours with no ill-effects on the system (other than the page fault and page zeroed counter overflowing somewhere). I'll close this bug now, feel free to reopen if you can still reproduce it.
    2008-07-09 tschwinge Attached File#16083 Removed
    2008-07-09 None Attached File- Added valid_rss_80x15.png, #16083

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