> On 23 May 2019, at 15:21, siddarth rai <sid...@gmail.com> wrote: > > Hello, > > I am using an older version of VPP(18.01) but I checked the code of 19.04 and > I couldn't find any change in problematic area. > > I sometimes get a crash with "Show PCI" command. > > From the core, it seems to be crashing here : > > "format_vlib_pci_vpd ( > s=0x2ad325f2cb58 "0000:02:00.0 0 14e4:1657 5.0 GT/s x2 tg3", ' ' > <repeats 13 times>, "HP Ethernet 1Gb 4-port 331i Adapter", args=<optimized > out>)" > > I checked this function and it seems that a particular pointer variable (u8* > id) always ends up getting an invalid value - "0x3000000000 <Address > 0x3000000000 out of bounds>" > Further down in this function, we try to access this pointer and that > sometimes causes the VPP to crash. > > Could it be that the "va_arg" call to get this "id" is returning something > invalid? > > Can someone please help me with this ? > > Attaching the full stack trace as well.
Probably bug in PCI VPD parser. Hard to debug blindly, without having access to problematic NIC.
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