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FS#2201 - kernel error: do_page_fault(): sending SIGSEGV to reader#1 for invalid read access from 77a87d90 #8114
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camel: i have this kernel issue every day around 2-3 times ... :(
Sat Mar 30 07:48:57 2019 kern.info kernel: [524298.382997] do_page_fault(): sending SIGSEGV to reader#1 for invalid read access from 77ac1d90
Sat Mar 30 07:48:57 2019 kern.info kernel: [524298.391883] epc = 77f8f944 in libc.so[77f15000+94000]
Sat Mar 30 07:48:57 2019 kern.info kernel: [524298.397135] ra = 77f8f8e0 in libc.so[77f15000+94000]
device: ZBT-3526 16MB (mt7621) |
camel: any news ? |
simontretter: Did you build yourself? If so, any changes to the defaults (gcc version, optmization flags...)? |
yousong: Are you running collectd and do you happen to have more than 1 WriteThreads? This one and FS#2264 are likely the same issue |
camel: yes, I'm using the collectd very much ... |
yousong: It's worth a try. I worked around it that way after collectd/collectd#3310 |
camel: hmm, i will test with deactivated nf_cache module |
camel:
current trunk from 22.3.2019
git-19.079.18950-11e64f8) / OpenWrt SNAPSHOT r9672-d78e229903
i see in the logs that having more often kernel error:
Fri Mar 22 15:14:27 2019 kern.info kernel: [11750.766284] do_page_fault(): sending SIGSEGV to reader#1 for invalid read access from 77a87d90 Fri Mar 22 15:14:27 2019 kern.info kernel: [11750.774984] epc = 77f55944 in libc.so[77edb000+94000] Fri Mar 22 15:14:27 2019 kern.info kernel: [11750.780320] ra = 77f558e0 in libc.so[77edb000+94000]
any idea about what can be the reason for it ? or how i can give you more infos ?
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