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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 48030] Segmentation Fault
Date Fri, 23 Oct 2009 19:47:39 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=48030

--- Comment #11 from Bernd Leibing <bernd.leibing@uni-ulm.de> 2009-10-23 12:47:32 UTC
---
Yes I were running the PR 48030 patch.

dbx doesn't recognize a "p" command
(dbx) p *pollset
p: not found

I used the "print" command instead. Ok?
(dbx) dump          
pdesc = (nil)
numdesc = 0
csd = 0x2
current_conn = 0x2
ptrans = 0x8440178
pollset = 0x843e208
sbh = 0x843e200
child_num_arg = 1
last_poll_idx = 0
status = 0
allocator = 0x843e0e8
i = -1
bucket_alloc = 0x8444188
lr = (nil)
(dbx) print *pollset
*pollset = {
    pool       = 0x843e170
    nalloc     = 2U
    port_fd    = 9
    port_set   = 0x843e248
    result_set = 0x843e278
    flags      = 0
    ring_lock  = (nil)
    query_ring = {
        next = 0x843e2a0
        prev = 0x843e2c0
    }
    add_ring   = {
        next = 0x843e22c
        prev = 0x843e22c
    }
    free_ring  = {
        next = 0x843e234
        prev = 0x843e234
    }
    dead_ring  = {
        next = 0x843e23c
        prev = 0x843e23c
    }
    waiting    = 0
}
(dbx) print  pollset->port_set[0]
pollset->port_set[0] = {
    portev_events = 1
    portev_source = 4U
    portev_pad    = 4222U
    portev_object = 3U
    portev_user   = 0x843e2c0
}
(dbx) print  pollset->port_set[1]
pollset->port_set[1] = {
    portev_events = 0
    portev_source = 0
    portev_pad    = 0
    portev_object = 0
    portev_user   = (nil)
}
(dbx) print  pollset->port_set[2]
pollset->port_set[2] = {
    portev_events = 138666480
    portev_source = 57864U
    portev_pad    = 2115U
    portev_object = 4274616192U
    portev_user   = 0x8071370
}
(dbx) print  pollset->port_set[3]
pollset->port_set[3] = {
    portev_events = 0
    portev_source = 0
    portev_pad    = 0
    portev_object = 0
    portev_user   = (nil)
}
(dbx) print  pollset->port_set[4]
pollset->port_set[4] = {
    portev_events = 0
    portev_source = 0
    portev_pad    = 0
    portev_object = 0
    portev_user   = (nil)
}
(dbx) print  pdesc[0]           
dbx: reference through nil pointer
(dbx) print  pdesc[1]
dbx: cannot access address 0x14
(dbx) print  pdesc[2]
dbx: cannot access address 0x28
(dbx) print  pdesc[3]
dbx: cannot access address 0x3c
(dbx) print  pdesc[4]
dbx: cannot access address 0x50
(dbx)

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